Update README.md

.vscode/c_cpp_properties.json

@@ -0,0 +1,18 @@
+{
+  "configurations": [
+    {
+      "name": "windows-gcc-x64",
+      "includePath": [
+        "${workspaceFolder}/**"
+      ],
+      "compilerPath": "gcc",
+      "cStandard": "${default}",
+      "cppStandard": "${default}",
+      "intelliSenseMode": "windows-gcc-x64",
+      "compilerArgs": [
+        ""
+      ]
+    }
+  ],
+  "version": 4
+}

.vscode/launch.json

@@ -0,0 +1,24 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "C/C++ Runner: Debug Session",
+      "type": "cppdbg",
+      "request": "launch",
+      "args": [],
+      "stopAtEntry": false,
+      "externalConsole": true,
+      "cwd": "c:/Users/lipei/Desktop/VSCode 2/kunkun",
+      "program": "c:/Users/lipei/Desktop/VSCode 2/kunkun/build/Debug/outDebug",
+      "MIMode": "gdb",
+      "miDebuggerPath": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ]
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,38 @@
+{
+  "C_Cpp_Runner.cCompilerPath": "gcc",
+  "C_Cpp_Runner.cppCompilerPath": "g++",
+  "C_Cpp_Runner.debuggerPath": "gdb",
+  "C_Cpp_Runner.cStandard": "",
+  "C_Cpp_Runner.cppStandard": "",
+  "C_Cpp_Runner.msvcBatchPath": "",
+  "C_Cpp_Runner.useMsvc": false,
+  "C_Cpp_Runner.warnings": [
+    "-Wall",
+    "-Wextra",
+    "-Wpedantic",
+    "-Wshadow",
+    "-Wformat=2",
+    "-Wconversion",
+    "-Wnull-dereference",
+    "-Wsign-conversion"
+  ],
+  "C_Cpp_Runner.enableWarnings": true,
+  "C_Cpp_Runner.warningsAsError": false,
+  "C_Cpp_Runner.compilerArgs": [],
+  "C_Cpp_Runner.linkerArgs": [],
+  "C_Cpp_Runner.includePaths": [],
+  "C_Cpp_Runner.includeSearch": [
+    "*",
+    "**/*"
+  ],
+  "C_Cpp_Runner.excludeSearch": [
+    "**/build",
+    "**/build/**",
+    "**/.*",
+    "**/.*/**",
+    "**/.vscode",
+    "**/.vscode/**"
+  ],
+  "C_Cpp_Runner.useAddressSanitizer": false,
+  "C_Cpp_Runner.showCompilationTime": false
+}

README.md

@@ -1,2 +1,288 @@
-# kunkun
+# 学生成绩管理系统
 
+2023年4月23日
+ 王振宇 李文菲 武杭凯 李培毅
+
+## 项目简介
+
+本学生成绩管理系统是为教师提供管理班级成绩的工具，该系统可以实现的对学生的成绩进行增，信息导入等基本功能，以及对学生成绩排序和分段的扩展功能，有利于对学生成绩管理。
+下载地址：https://bdgit.educoder.net/p2i3t8vuh/text4.git
+项目开发过程中采用 Kanban  (看板)进行任务管理和分工协作，并使用 Git 对程序代码和文档进行版本管理。任务分工情况如下：
+
+|任务 |设计 |开发 |测试 |文档 |
+|-----|-----|-----|-----|-----|
+|C1-C3 ||||王振宇|
+|C4-C6||||李文菲|
+|C6-c7 ||||武杭凯|
+|C8-C12 ||||李培毅|
+
+每个成员的工作量（百分比）：
+
+|王振宇|李文菲|武杭凯|李培毅|
+|------|------|------|------|
+|  30  |  25  |   20 |  25  |
+
+## 关于学生成绩管理系统
+
+设计一个学生成绩管理系统，要求采用命令行菜单界面进行交互，具备读取、查询、修改、插入、删除和排序等基本功能，能够以表格和图表形式展示数据，采用 CSV 格式保存数据。
+系统的功能性需求：
+数据的读取、保存、打印、查询、修改、插入、删除、排序和图表展示。
+系统的非功能性需求：
+菜单驱动的命令行交互界面。
+
+## 需求分析
+
+分析系统的功能需求和界面需求，编制用户手册如下
+
+ ### C1启动程序
+
+命令行中执行命令 ./app ，系统启动，显示提示信息，然后显示功能菜单，等待用户输入命令
+~~~
+库存管理系统启动
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+请选择： 
+~~~                 
+
+ ### C2: 显示命令菜单
+
+~~~
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+请选择：
+~~~
+### C3: 退出程序
+
+选择菜单命令 0 ，退出程序
+~~~
+请选择：0
+程序退出
+~~~
+### C4：添加学生成绩
+选择菜单命令5，添加学生成绩
+~~~
+请选择：5
+输入学生姓名：小明
+输入学科序号：4
+输入成绩：100
+学生1成绩 已添加
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 | 0退出
+
+请选择： 5
+输入学生姓名：小明
+输入学科序号：4
+学生成绩已存在
+~~~
+### C5：查询学生成绩
+输入菜单功能4，输入学号对学生成绩进行查询，如果没有则输出学生不存在
+~~~
+请选择：4
+输入学号：01
+学生姓名：小明
+输出成绩：100
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 | 0退出
+
+请选择：4
+输入学号：001
+学生不存在
+~~~
+### C6: 打印学生成绩列表
+~~~
+请选择：3
+----------------------------------------------------------------------------
+--------------------------------------------------------
+| UNMBER | NAME| PANK |
+----------------------------------------------------------------------------
+--------------------------------------------------------
+| 01     | 小明 | 100  |
+----------------------------------------------------------------------------
+--------------------------------------------------------
+~~~
+
+### C7：删除学生成绩
+选择菜单功能8，删除学生成绩
+~~~
+请选择：7
+输入学号：01
+成绩已删除
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+输入学号：7
+学生成绩不存在
+~~~
+### C8：修改学生成绩
+选择菜单功能8，对学生成绩进行修改
+~~~
+请选择：6
+输入序号：01
+输入成绩：99
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+请输入：4
+请输入序号：01
+学生姓名：小明
+成绩：99
+~~~
+
+### C9: 对学生成绩排序
+选择菜单功能8，对成绩进行排序
+~~~
+请选择：8
+排序已完成
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+~~~
+### C10:将学生成绩保存到文件
+选择功能2.输入文件名称，以csv格式保存到文件中
+~~~
+请选择：2
+输入文件名：b.csv
+成绩已保存
+~~~
+### C11：以图表方式显示成绩
+~~~
+请选择：9
+图表
+01 ：小明 |**********（8）
+02 ：小红 |**********（12）
+03 ：小蓝 |**********（20）
+04 ：小青 |**********（10）
+| 1 读取 | 2 保存 | 0 退出 | 3 打印 | 4 查询 | 5 添加 
+| 6 修改 | 7 删除 | 8 排序 | 9 图表 
+~~~
+### C12： 从文件中读取成绩记录
+选择菜单命令 1 ，提示输入文件名，若文件存在，则打开文件读取 CSV 格式保存的所有成绩记录；否
+则，若文件不存在，则给出错误信息并结束。
+假设文件 a.csv 中，以 CSV （Comma-Separated Values）格式保存了如下记录
+~~~
+01，小明，8
+02，小红，12
+03，小蓝，20
+04，小青，10
+~~~
+则读取记录的过程如下：
+~~~
+请选择：1
+读取数据
+请输入文件名：a.csv
+读取 4 记录
+1 读取 | 2 保存 | 3 打印 | 4 查询 | 5 添加
+6 修改 | 7 删除 | 8 排序 | 9 图表 | 0 退出
+请选择：3
+-------------------------------------------------------
+| NUMBER | NAME | ON HAND |
+-------------------------------------------------------
+| 01 | 小明 | 8 |
+| 02 | 小红 | 12 |
+| 03 | 小蓝 | 20 |
+| 04 | 小青 | 10 |
+-------------------------------------------------------
+1 读取 | 2 保存 | 3 打印 | 4 查询 | 5 添加
+6 修改 | 7 删除 | 8 排序 | 9 图表 | 0 退出
+请选择：1
+读取数据
+请输入文件名：a
+a: No such file or directory
+~~~
+
+## 概要设计
+
+系统主要分为用户界面和数据处理两大模块。
+用户界面模块包括系统初始化（init），显示菜单（display_menu），选择菜单命令（make_choice）、确认（confirm）、退出（quit）等子模块。
+数据处理模块包括数据输入(ReadScore)，数据计算(AverSumofEveryStudent)等模块组成。
+上述各模块通过主程序（main）进行调用，系统模块图如下。
+![](流程图.png)
+各模块的主要功能如下：
+![](main.drawio.svg)
+
+##### main
+系统主函数模块，显示菜单，根据用户选择的菜单命令，执行相关操作。
+
+##### init
+系统初始化。
+
+##### display_menu
+显示菜单命令。
+
+#### 详细设计
+####main
+Step 1: 初始化
+Step 2: 根据用户选择的命令执行对应的操作
+Step 2.1: 显示菜单
+Step 2.2: 选择菜单命令 c
+Step 2.3: if c == CMD_READ then 读取数据
+Step 2.4: if c == CMD_SAVE then 保存数据
+Step 2.5: if c == CMD_PRINT then 打印数据
+Step 2.6: if c == CMD_QUERY then 查询数据
+Step 2.7: if c == CMD_INSERT then 添加数据
+Step 2.8: if c == CMD_UPDATE then 修改数据
+Step 2.9: if c == CMD_DELETE then 删除数据
+Step 2.10: if c == CMD_SORT then 数据排序
+Step 2.11: if c == CMD_CHART then 导出图表
+Step 2.12: if c == CMD_QUIT then 退出程序
+![](主函数流程图.drawio.svg)
+
+
+##### save_data
+step1.输入保存数据，并判断文件是否为空
+step2.若文件不空打印保存学生学号、姓名、成绩
+step3.保存成功关闭文件
+![](保存函数流程图.drawio.svg)
+
+
+##### update_data
+STEP1:输入学生学号
+STEP2 :判断是否查找成功
+STEP3:若找到，修改学生学号，学生姓名，学生成绩，结束
+STEP4:若未找到，输出学生不存在，结束
+![](update.drawio.svg)
+
+#### query_data
+STEP1:输入学生学号
+STEP2 :判断是否查找成功
+STEP3:若找到，修改学生学号，学生姓名，学生成绩，结束
+STEP4:若未找到，输出学生不存在，结束
+![](test.drawio.svg)
+
+
+##### printf_data
+step1.输入"number,name,score"
+step2.循环打印学生学号、姓名和成绩
+![](打印函数流程图.drawio.svg)
+
+##### sort_data
+step1.查找所有学生成绩
+step.2 对学生成绩进行排序
+![](sort_data.drawio.svg)
+
+##### make_chart
+生成表格
+![](make_chart.drawio.svg)
+
+##### delete_data
+step.1 输入学生姓名
+step.2查找学生成绩
+step.3找到后删除
+![](delete_data.drawio.svg)
+
+##### read_data
+step1.输入文件名并打开文件
+step2.判断文件是否为空
+step3.若不空进行读取与记录
+![](读取函数流程图.drawio.svg)
+
+##### add_data
+Step 1: 输入学生姓名和成绩
+Step 2: if 学生成绩已存在 then 提示学生成绩已存在并结束
+Step 3: 输入学生名和成绩
+Step 4: 添加新成绩到数据
+Step 5: 提示添加成功
+![](add.drawio.svg)
+
+
+
+在本次小组作业中，我深刻体会到了团队合作的重要性。以下是我的感悟：
+本次团队合作可以促进个人成长。在小组作业中，每个人都需要承担一定的责任和任务，通过合作可以让每个人都学会如何与他人合作，如何分配任务和协调工作。这些经验对于个人的成长和职业发展都非常重要。还可以锻炼沟通能力，每个人都需要与其他人进行沟通和协调，从而保证任务的顺利完成。通过沟通和协调，从而让整个团队更加和谐，并营造了积极学习的良好风气。
+本次小组作业的顺利完成离不开大家的良好合作。在此特意感谢组内各成员的积极配合。同时向随时为我们答疑的庄波老师和不辞辛苦的谢玉华老师致以最深的感谢！

add.drawio.svg

@@ -0,0 +1,130 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="311px" height="601px" viewBox="-0.5 -0.5 311 601" content="&lt;mxfile&gt;&lt;diagram id=&quot;yufV0PBXpB8hAzkX-1mW&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 60 70 L 60 113.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 118.88 L 56.5 111.88 L 60 113.63 L 63.5 111.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="60" cy="35" rx="60" ry="35" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 35px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                add.data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="39" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    add.data
+                </text>
+            </switch>
+        </g>
+        <path d="M 60 180 L 60 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 228.88 L 56.5 221.88 L 60 223.63 L 63.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="0" y="120" width="120" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 150px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入学生学号
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="154" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入学生学号
+                </text>
+            </switch>
+        </g>
+        <path d="M 117.41 266.51 L 183.63 268.25" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 188.88 268.39 L 181.79 271.71 L 183.63 268.25 L 181.98 264.71 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 60 290 L 60 383.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 388.88 L 56.5 381.88 L 60 383.63 L 63.5 381.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 60 230 L 120 265 L 60 300 L 0 265 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 265px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                是否查找成功
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="269" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    是否查找成功
+                </text>
+            </switch>
+        </g>
+        <path d="M 250 300 L 250 480 Q 250 490 240 490 L 66.37 490" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 61.12 490 L 68.12 486.5 L 66.37 490 L 68.12 493.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="190" y="240" width="120" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 270px; margin-left: 191px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                学生已存在
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="250" y="274" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    学生已存在
+                </text>
+            </switch>
+        </g>
+        <path d="M 60 430 L 60 513.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 518.88 L 56.5 511.88 L 60 513.63 L 63.5 511.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="0" y="390" width="120" height="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 410px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入学生姓名
+                                <br/>
+                                输入学生成绩
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="414" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入学生姓名
+输入学生成绩
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="60" cy="560" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 560px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                结束
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="564" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    结束
+                </text>
+            </switch>
+        </g>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>

test.drawio.svg

@@ -0,0 +1,131 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="341px" height="521px" viewBox="-0.5 -0.5 341 521" content="&lt;mxfile&gt;&lt;diagram id=&quot;HFc2GKX1_PiRei40295z&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 80 60 L 80 93.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 80 98.88 L 76.5 91.88 L 80 93.63 L 83.5 91.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="80" cy="30" rx="60" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 30px; margin-left: 21px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                query_data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="80" y="34" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    query_data
+                </text>
+            </switch>
+        </g>
+        <path d="M 78.33 160 L 77.51 174.79" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 77.22 180.03 L 74.11 172.85 L 77.51 174.79 L 81.1 173.24 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="20" y="100" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 130px; margin-left: 21px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入学生学号
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="80" y="134" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入学生学号
+                </text>
+            </switch>
+        </g>
+        <path d="M 150 220 L 213.63 220" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 218.88 220 L 211.88 223.5 L 213.63 220 L 211.88 216.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 75 260 L 75 293.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 75 298.88 L 71.5 291.88 L 75 293.63 L 78.5 291.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 75 180 L 150 220 L 75 260 L 0 220 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 220px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                是否查找成功
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="75" y="224" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    是否查找成功
+                </text>
+            </switch>
+        </g>
+        <path d="M 280 250 L 280 390 Q 280 400 270 400 L 86.37 400" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 81.12 400 L 88.12 396.5 L 86.37 400 L 88.12 403.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="220" y="190" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 220px; margin-left: 221px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                学生不存在
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="280" y="224" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    学生不存在
+                </text>
+            </switch>
+        </g>
+        <path d="M 75 360 L 75 453.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 75 458.88 L 71.5 451.88 L 75 453.63 L 78.5 451.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="15" y="300" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 330px; margin-left: 16px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输出学生学号
+                                <br/>
+                                输出学生姓名
+                                <br/>
+                                输出学生成绩
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="75" y="334" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输出学生学号输出学生姓名输出学生成绩...
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="75" cy="490" rx="60" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 490px; margin-left: 16px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                结束
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="75" y="494" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    结束
+                </text>
+            </switch>
+        </g>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>

update.drawio.svg

@@ -0,0 +1,131 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="331px" height="631px" viewBox="-0.5 -0.5 331 631" content="&lt;mxfile&gt;&lt;diagram id=&quot;D5uggZ1uVChHXlM6sn9y&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 60 70 L 60 103.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 108.88 L 56.5 101.88 L 60 103.63 L 63.5 101.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="60" cy="35" rx="60" ry="35" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 35px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                update_data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="39" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    update_data
+                </text>
+            </switch>
+        </g>
+        <path d="M 60 150 L 60 203.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 208.88 L 56.5 201.88 L 60 203.63 L 63.5 201.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="0" y="110" width="120" height="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 130px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入学生学号
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="134" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入学生学号
+                </text>
+            </switch>
+        </g>
+        <path d="M 59.5 290 L 59.5 360 Q 59.5 370 59.5 380 L 59.5 393.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 59.5 398.88 L 56 391.88 L 59.5 393.63 L 63 391.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 120 249.5 L 203.63 249.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 208.88 249.5 L 201.88 253 L 203.63 249.5 L 201.88 246 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 60 210 L 115 250 L 60 290 L 5 250 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 250px; margin-left: 6px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                是否查找成功
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="254" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    是否查找成功
+                </text>
+            </switch>
+        </g>
+        <path d="M 270 280 L 270 500 Q 270 510 260 510 L 66.37 510" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 61.12 510 L 68.12 506.5 L 66.37 510 L 68.12 513.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="210" y="220" width="120" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 250px; margin-left: 211px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                学生不存在
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="270" y="254" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    学生不存在
+                </text>
+            </switch>
+        </g>
+        <path d="M 60 450 L 60 543.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 60 548.88 L 56.5 541.88 L 60 543.63 L 63.5 541.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="0" y="390" width="120" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 420px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入学生学号
+                                <br/>
+                                输入学生姓名
+                                <br/>
+                                输入学生成绩
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="424" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入学生学号输入学生姓名输入学生成绩...
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="60" cy="590" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 590px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                结束
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="60" y="594" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    结束
+                </text>
+            </switch>
+        </g>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>

保存函数伪代码

@@ -0,0 +1,8 @@
+INPUT 保存数据
+printf 请输入文件名
+IF 文件为空  return
+ELSE
+DO printf
+stu[i].number,stu[i].name,stu[i].score 
+END
+THEN 关闭文件

保存函数流程图.drawio.svg

@@ -0,0 +1,146 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="291px" height="411px" viewBox="-0.5 -0.5 291 411" content="&lt;mxfile&gt;&lt;diagram id=&quot;BBg_SUu6cvkHx15Np4KP&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 65 50 L 65 73.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 65 78.88 L 61.5 71.88 L 65 73.63 L 68.5 71.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="65" cy="25" rx="65" ry="25" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 25px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                save_data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="29" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    save_data
+                </text>
+            </switch>
+        </g>
+        <path d="M 65 120 L 65 143.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 65 148.88 L 61.5 141.88 L 65 143.63 L 68.5 141.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 5 120 L 25 80 L 125 80 L 105 120 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 100px; margin-left: 6px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                puts("保存数据“）
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="104" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    puts("保存数据“）
+                </text>
+            </switch>
+        </g>
+        <path d="M 66.42 219.05 L 67.44 243.64" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 67.66 248.88 L 63.87 242.03 L 67.44 243.64 L 70.87 241.74 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 65 150 L 117.5 185 L 65 220 L 12.5 185 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 103px; height: 1px; padding-top: 185px; margin-left: 14px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                fp==NULL
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="189" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    fp==NULL
+                </text>
+            </switch>
+        </g>
+        <path d="M 117.5 185 L 173.63 185" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 178.88 185 L 171.88 188.5 L 173.63 185 L 171.88 181.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 186px; margin-left: 149px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; background-color: rgb(255, 255, 255); white-space: nowrap;">
+                                YES
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="149" y="189" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
+                    YES
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="235" cy="185" rx="55" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 185px; margin-left: 181px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                perror(filename)
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="235" y="189" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    perror(filename)
+                </text>
+            </switch>
+        </g>
+        <path d="M 65 310 L 65 343.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 65 348.88 L 61.5 341.88 L 65 343.63 L 68.5 341.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 5 310 L 25 250 L 125 250 L 105 310 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 280px; margin-left: 6px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                打印学号，姓名
+                                <br/>
+                                成绩
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="284" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    打印学号，姓名
+成绩
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="65" cy="380" rx="57.5" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 113px; height: 1px; padding-top: 380px; margin-left: 9px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                fclose(fp)
+                                <br/>
+                                保存成功
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="384" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    fclose(fp)...
+                </text>
+            </switch>
+        </g>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>

打印函数伪代码

@@ -0,0 +1,4 @@
+INPUT number,name,score
+DO
+printf stu[i].number,stu[i].name,stu[i].score
+END

打印函数流程图.drawio.svg

@@ -0,0 +1,55 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="131px" height="271px" viewBox="-0.5 -0.5 131 271" content="&lt;mxfile&gt;&lt;diagram id=&quot;6ED4M3rvA-dtCFNJMws8&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 65 60 L 65 103.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 65 108.88 L 61.5 101.88 L 65 103.63 L 68.5 101.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="65" cy="30" rx="60" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 30px; margin-left: 6px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                print_data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="34" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    print_data
+                </text>
+            </switch>
+        </g>
+        <path d="M 65 160 L 65 203.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 65 208.88 L 61.5 201.88 L 65 203.63 L 68.5 201.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 0 160 L 20 110 L 130 110 L 110 160 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 135px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输出学生学号、姓名
+                                <br/>
+                                成绩
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="65" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输出学生学号、姓名
+成绩
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="65" cy="240" rx="57.5" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>

读取函数伪代码

@@ -0,0 +1,7 @@
+INPUT 读取数据
+printf 请输入文件名
+IF 文件为空 return 
+ELSE 
+DO fscanf(fp)
+stu[i].number,stu[i].name,stu[i].score END
+THEN 关闭文件

读取函数流程图.drawio.svg

@@ -0,0 +1,112 @@
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="301px" height="601px" viewBox="-0.5 -0.5 301 601" content="&lt;mxfile&gt;&lt;diagram id=&quot;ZiNlvKpYBc2007Mh1NEG&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+    <defs/>
+    <g>
+        <path d="M 55 50 L 55 73.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 55 78.88 L 51.5 71.88 L 55 73.63 L 58.5 71.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="55" cy="25" rx="55" ry="25" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 25px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                read_data
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="55" y="29" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    read_data
+                </text>
+            </switch>
+        </g>
+        <path d="M 55 120 L 55 143.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 55 148.88 L 51.5 141.88 L 55 143.63 L 58.5 141.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 0 120 L 20 80 L 110 80 L 90 120 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 100px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                输入文件名
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="55" y="104" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输入文件名
+                </text>
+            </switch>
+        </g>
+        <path d="M 55 190 L 55 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 55 228.88 L 51.5 221.88 L 55 223.63 L 58.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 0 190 L 20 150 L 110 150 L 90 190 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 170px; margin-left: 1px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                打开文件
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="55" y="174" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    打开文件
+                </text>
+            </switch>
+        </g>
+        <path d="M 55 290 L 55.05 543.65" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 55.05 548.9 L 51.55 541.9 L 55.05 543.65 L 58.55 541.9 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 55 230 L 105 260 L 55 290 L 5 260 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 260px; margin-left: 6px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                fp==NULL
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="55" y="264" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    fp==NULL
+                </text>
+            </switch>
+        </g>
+        <ellipse cx="60" cy="570" rx="55" ry="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 180 430 L 200 380 L 300 380 L 280 430 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <g transform="translate(-0.5 -0.5)">
+            <switch>
+                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 405px; margin-left: 181px;">
+                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
+                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                                读取文件
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="240" y="409" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    读取文件
+                </text>
+            </switch>
+        </g>
+        <path d="M 105 260 L 230 260 Q 240 260 240 270 L 240 373.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 240 378.88 L 236.5 371.88 L 240 373.63 L 243.5 371.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 230.52 432.5 L 230.04 513.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 230.01 518.88 L 226.55 511.86 L 230.04 513.63 L 233.55 511.9 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 230 520 L 60 520" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+    </g>
+    <switch>
+        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
+        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
+            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
+                Text is not SVG - cannot display
+            </text>
+        </a>
+    </switch>
+</svg>