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# 图书管理系统
2023年4月22日
姚震、金雨佳、宋岱瑾、费良荣
## 项目简介
本系统是程序设计与问题求解课程设计项目，实现了库存零件 CSV 格式数据文件的读取和保存，以及数据的增删改查（CRUD）、排序和图表显示等功能。项目采用 C 语言编程实现，在 VS Code 集成开发环境（IDE）中用 GCC 进行编译。系统采用模块化设计，程序结构清晰，采用菜单驱动的命令行界面，操作便捷，能够用 CSV 格式读取和保存数据，通用性强，能够用图表展示数据，直观清楚。
下载地址：https://gitee.com/wangqian12345/students
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 菜单驱动的用户界面 | 宋岱瑾 | 宋岱瑾 | 金雨佳 | 宋岱瑾 |
| C4 添加图书记录 | 姚震 | 姚震 | 费良荣 | 姚震 |
| C5 查询图书记录 | 金雨佳 | 金雨佳 | 宋岱瑾 | 金雨佳 |
| C6 打印图书列表 | 金雨佳 | 金雨佳 | 姚震 | 金雨佳 |
| C7 修改图书记录 | 费良荣 | 费良荣 | 宋岱瑾 | 费良荣 |
| C8 删除图书记录 | 姚震 | 姚震 | 费良荣 | 姚震 |
| C9 图书记录排序 | 姚震 | 姚震 | 金雨佳 | 姚震 |
| C10 从文件中读取图书记录 | 费良荣 | 费良荣 | 宋岱瑾 | 费良荣 |
| C11 将图书保存到文件 | 宋岱瑾 | 宋岱瑾 | 费良荣 | 宋岱瑾 |
| C12 以图表方式显示图书记录 | 宋岱瑾 | 宋岱瑾 | 金雨佳. | 宋岱瑾 |
每个成员的工作量（百分比）：
| 姚震 | 金雨佳 | 宋岱瑾 | 费良荣 |
| ---- | ---- | ---- | ---- |
| 25 | 25 | 25 | 25 |
## 关于图书管理系统
设计一个图书管理系统，要求采用命令行菜单界面进行交互，具备读取、保存、打印、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。
```
学生成绩管理系统启动
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：
```
#### C2: 显示命令菜单
```
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：
```
#### C3: 退出程序
选择菜单命令 `0`，再输入 `y` 确认，则退出程序。
```
请选择：0
确定要退出吗？(Y/N): y
程序退出
```
#### C4: 添加记录
选择菜单命令 `5`，提示输入图书编号，若该图书不存在，则继续输入图书名、图书编号、图书借阅次数，并提示完成；若图书编号已存在，则提示学图书已存在，并结束。
```
请选择：5
输入学生学号：101
输入学生姓名：李
输入学生成绩：80
学生 101 已添加
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：5
输入学生学号：101
学生已存在.
```
#### C5: 查询图书记录
选择菜单命令 `4`，提示输入图书编号，若该图书存在，则输出图书信息；否则提示图书不存在并结束。
```
请选择：4
输入学生学号：101
学生学号：101
学生姓名：李
学生成绩：80
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：4
输入学生学号：100
学生不存在.
```
#### C6: 打印图书列表
选择菜单命令 `3`，打印
```
请选择：3
-------------------------------------------------------
| NUMBER | NAME | ON HAND |
-------------------------------------------------------
| 101 | 李 | 80 |
-------------------------------------------------------
```
#### C7: 修改图书记录
选择菜单命令 `6`，根据提示输入图书编号，若图书存在，则继续输入新的图书编号和图书，并修改图书记录；否则，提示图书不存在并结束。
```
请选择：6
输入学生学号：101
输入学生姓名：张
输入学生成绩：90
学生 101 已更新
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 |
-------------------------------------------------------
| 101 | 张 | 90 |
-------------------------------------------------------
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：6
输入学生学号：100
学生不存在.
```
#### C8: 删除图书记录
选择菜单命令 `7`，根据提示输入图书编号，若图书存在，则删除之；否则提示图书不存在并结束。
```
请选择：7
输入学生学号：100
学生不存在.
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：7
输入学生学号：101
学生 101 已删除
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 |
-------------------------------------------------------
-------------------------------------------------------
```
#### C9: 图书记录排序
选择菜单命令 `8`，对库存记录按图书借阅次数由高到低排序，若次数相同，则按编号从小到大排序。
```
请选择：3
-------------------------------------------------------
| NUMBER | NAME | ON HAND |
-------------------------------------------------------
| 101 | 李 | 80 |
| 100 | 张 | 90 |
-------------------------------------------------------
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：8
排序
排序已完成
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 |
-------------------------------------------------------
| 100 | 张 | 90 |
| 101 | 李 | 80 |
-------------------------------------------------------
```
#### C10: 从文件中读取图书记录
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 格式保存的所有库存记录；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：
```
103,张,80
104,李,88
101,王,90
102,樊,100
```
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 |
-------------------------------------------------------
| 103 | 张 | 80 |
| 104 | 李 | 88 |
| 101 | 王 | 90 |
| 102 | 樊 | 100 |
-------------------------------------------------------
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
```
#### C11: 将图书保存保存到文件
选择菜单命令 `2`，提示输入文件名，将所有库存记录以 CSV 格式保存到指定的文件中。
```
请选择：2
保存数据
请输入文件名：b.csv
保存 4 记录
```
#### C12: 以图表方式显示图书记录
选择菜单命令 `9`，以图表方式显示库存记录。
```
请选择：9
图表
103 : 张 | ******** (80)
104 : 李 | ************ (88)
101 : 王 | ******************** (90)
102 : 樊 | ********** (100)
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
```
## 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。
数据处理模块包括读取数据（read_data）、保存数据（save_data）、打印数据（print_data）、查询数据（query_data）、添加数据（add_data）、更新数据（update_data）、删除数据（delete_data）、数据排序（sort_data）和生成图表（make_chart）等子模块。其中查询、添加、更新和删除数据还会用到根据编号查询数据的方法（find）。
上述各模块通过主程序（main）进行调用，系统模块图如下。
![系统模块图](images/module.drawio.svg)
各模块的主要功能如下：
#### 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
针对概要设计
#### 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:
![主程序流程图](images/main.drawio.svg)
#### save_data
Step 1: 输入文件名
Step 2: 打开文件
Step 3: if 打开文件失败 then 提示打开文件失败并结束
Step 4: 将所有库存记录写入文件
Step 5: 关闭文件
![保存数据流程图](images/save_data.drawio.svg)
#### add_data
Step 1: if 数据库满 then 提示数据库满并结束
Step 2: 输入图书编号
Step 3: if 图书已存在 then 提示图书已存在并结束
Step 4: 输入图书名和图书数量
Step 5: 添加新图书到数据
Step 6: 提示添加成功
![添加库存记录流程图](images/add_data.drawio.svg)
### query_data
Step 1:提示输入图书编号，并输入编号
Step 2：for i = 0 to num_parts开始查询
Step 3：查询最后一个图书结束
Step 4：if未查询到提示图书不存在
Step 5：else打印图书信息
![查询流程图](images/query_data.drawio.svg)
### printf_data
Step 1:打印图书编号和图书名
Step 2：for i = 1 to num_parts
Step 3:打印借阅次数
![打印记录流程图](images/printf_data.drawio.svg)
#### update_data
Step 1：输入图书编号
Step 2：查找图书是否已录入
Step 3：if 不存在then 直接退出
Step 4：else 输出图书信息
![修改学生信息](images/update_data.drawio.svg)
#### delete_data
Step 1: 输入图书编号
Step 2: 查找图书所在的位置
Step 3: if 没有该图书then 则输出图书不存在
Step 4: 将查找到的图书后面的依次往前移动信息
Step 5: 将图书总数减一
Step 6: 提示删除成功
![打印记录流程图](images/delete_data.drawio.svg)
#### sort_data
Step 1: 进行冒泡排序
Step 2: 将按图书借阅次数排序，若前面的比后面的大，则交换
Step 3: 每次遍历记录是否交换，若没有交换，则排序结束
Step 4: 若借阅次数相同，则按照编号从小到大排序
![打印记录流程图](images/sort_data.drawio.svg)
#### read_data
Step 1:输入文件名
Step 2：查看输入的文件名是否和已有的文化相匹配
Step 3：若匹配成功，则打开文件
Step 4：若不成功，则返回错误值
Step 5：打开后利用循环，依次输出文件里各个图书信息；
Step 6：关闭文件
![读取流程图](read_data.svg)
#### make_chart
Step 1：打印表头
Step 2：循环打印图书名和图书编号
Step 3：循环套循环打印图表
Step 4：打印结束后换行继续循环
Step 5：打印成功
![读取流程图](make_chart.svg)

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<mxGeometry x="450" y="760" width="250" height="30" as="geometry"/>
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<mxGeometry x="450" y="810" width="240" height="40" as="geometry"/>
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<mxCell id="28" value="生成图表（make_chart）" style="rounded=1;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
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151
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make_chart
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make_chart
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打印图书信息
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打印图书信息
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是否打印完全？
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是否打印完全？
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N
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N
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Y
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Y
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<span style="color: rgb(51, 51, 51); font-family: &quot;Microsoft YaHei&quot;, Helvetica, &quot;Meiryo UI&quot;, &quot;Malgun Gothic&quot;, &quot;Segoe UI&quot;, &quot;Trebuchet MS&quot;, Monaco, monospace, Tahoma, STXihei, 华文细黑, STHeiti, &quot;Helvetica Neue&quot;, &quot;Droid Sans&quot;, &quot;wenquanyi micro hei&quot;, FreeSans, Arimo, Arial, SimSun, 宋体, Heiti, 黑体, sans-serif; font-size: 16px; text-align: justify; background-color: rgb(255, 255, 255);">
打印成功
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打印成功
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<span style="color: rgb(51, 51, 51); font-family: &quot;Microsoft YaHei&quot;, Helvetica, &quot;Meiryo UI&quot;, &quot;Malgun Gothic&quot;, &quot;Segoe UI&quot;, &quot;Trebuchet MS&quot;, Monaco, monospace, Tahoma, STXihei, 华文细黑, STHeiti, &quot;Helvetica Neue&quot;, &quot;Droid Sans&quot;, &quot;wenquanyi micro hei&quot;, FreeSans, Arimo, Arial, SimSun, 宋体, Heiti, 黑体, sans-serif; font-size: 16px; text-align: justify; background-color: rgb(255, 255, 255);">
打印结束后换行继续循环
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<text x="60" y="370" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
打印结束后换行继续循环
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<path d="M 60 266 L 60 336" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
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Text is not SVG - cannot display
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Side by Side

Before

Width:  |  Height:  |  Size: 15 KiB

273
picture/picture-add.drawio.svg
Unescape View File

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add_data
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add_data
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<path d="M 75 110 L 150 150 L 75 190 L 0 150 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
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数据库满？
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数据库满？
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提示数据库满
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提示数据库满
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Y
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Y
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N
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N
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<path d="M 75 328.88 L 71.5 321.88 L 75 323.63 L 78.5 321.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 230 L 150 270 L 75 310 L 0 270 Z" fill="#ffffff" stroke="#000000" 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: 270px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
输入图书编号
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输入图书编号
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<path d="M 75 448.88 L 71.5 441.88 L 75 443.63 L 78.5 441.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 330 L 150 370 L 75 410 L 0 370 Z" fill="#ffffff" stroke="#000000" 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;">
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<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
图书编号存在？
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</div>
</div>
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<text x="75" y="374" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
图书编号存在？
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<path d="M 345 370 L 408.63 370" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 413.88 370 L 406.88 373.5 L 408.63 370 L 406.88 366.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="225" y="340" width="120" height="60" fill="#ffffff" stroke="#000000" 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: 370px; margin-left: 226px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
提示图书已存在
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<text x="285" y="374" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
提示图书已存在
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<rect x="170" y="345" width="30" height="30" fill="none" stroke="none" 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: 360px; margin-left: 185px;">
<div data-drawio-colors="color: #000000; " 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: nowrap;">
Y
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</div>
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Y
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<g transform="translate(-0.5 -0.5)">
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<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: 430px; margin-left: 95px;">
<div data-drawio-colors="color: #000000; " 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: nowrap;">
N
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</div>
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N
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<path d="M 75 450 L 150 490 L 75 530 L 0 490 Z" fill="#ffffff" stroke="#000000" 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: 490px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
输入图书编号和数量
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</div>
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<text x="75" y="494" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
输入图书编号和数量
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<path d="M 75 648.88 L 71.5 641.88 L 75 643.63 L 78.5 641.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 550 L 150 590 L 75 630 L 0 590 Z" fill="#ffffff" stroke="#000000" 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: 590px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
添加新图书到数据
</div>
</div>
</div>
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<text x="75" y="594" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
添加新图书到数据
</text>
</switch>
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<path d="M 75 730 L 75 753.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 75 758.88 L 71.5 751.88 L 75 753.63 L 78.5 751.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 650 L 150 690 L 75 730 L 0 690 Z" fill="#ffffff" stroke="#000000" 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: 690px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
提示添加成功
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</div>
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<text x="75" y="694" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
提示添加成功
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<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
结束
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Side by Side

Before

Width:  |  Height:  |  Size: 24 KiB

767
picture/picture-main.drawio.svg
Unescape View File

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init
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选择菜单命令
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选择菜单命令
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main
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读取数据
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读取数据
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保存数据
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保存数据
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打印数据
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打印数据
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查询数据
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查询数据
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添加数据
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添加数据
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更新数据
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更新数据
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<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: 1140px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
删除数据
</div>
</div>
</div>
</foreignObject>
<text x="75" y="1144" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
删除数据
</text>
</switch>
</g>
<path d="M 150 1250 L 238.63 1250" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 243.88 1250 L 236.88 1253.5 L 238.63 1250 L 236.88 1246.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1290 L 75 1313.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 75 1318.88 L 71.5 1311.88 L 75 1313.63 L 78.5 1311.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1210 L 150 1250 L 75 1290 L 0 1250 Z" fill="#ffffff" stroke="#000000" 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: 1250px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
对数据排序
</div>
</div>
</div>
</foreignObject>
<text x="75" y="1254" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
对数据排序
</text>
</switch>
</g>
<path d="M 150 1360 L 238.63 1360" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 243.88 1360 L 236.88 1363.5 L 238.63 1360 L 236.88 1356.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1400 L 75 1450 Q 75 1460 85 1460 L 238.63 1460" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 243.88 1460 L 236.88 1463.5 L 238.63 1460 L 236.88 1456.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1400 L 75 1493.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 75 1498.88 L 71.5 1491.88 L 75 1493.63 L 78.5 1491.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1320 L 150 1360 L 75 1400 L 0 1360 Z" fill="#ffffff" stroke="#000000" 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: 1360px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
生成图表报表
</div>
</div>
</div>
</foreignObject>
<text x="75" y="1364" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
生成图表报表
</text>
</switch>
</g>
<path d="M 365 460 L 418.63 460" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 460 L 416.88 463.5 L 418.63 460 L 416.88 456.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="430" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 430 L 257 490 M 353 430 L 353 490" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 460px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
read_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="464" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
read_data
</text>
</switch>
</g>
<path d="M 365 570 L 418.63 570" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 570 L 416.88 573.5 L 418.63 570 L 416.88 566.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="540" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 540 L 257 600 M 353 540 L 353 600" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 570px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
save_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="574" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
save_data
</text>
</switch>
</g>
<path d="M 365 690 L 418.63 690" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 690 L 416.88 693.5 L 418.63 690 L 416.88 686.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="660" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 660 L 257 720 M 353 660 L 353 720" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 690px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
print_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="694" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
print_data
</text>
</switch>
</g>
<path d="M 365 800 L 418.63 800" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 800 L 416.88 803.5 L 418.63 800 L 416.88 796.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="770" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 770 L 257 830 M 353 770 L 353 830" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 800px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
query_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="804" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
query_data
</text>
</switch>
</g>
<path d="M 365 920 L 418.63 920" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 920 L 416.88 923.5 L 418.63 920 L 416.88 916.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="890" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 890 L 257 950 M 353 890 L 353 950" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 920px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
add_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="924" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
add_data
</text>
</switch>
</g>
<path d="M 365 1030 L 418.63 1030" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 1030 L 416.88 1033.5 L 418.63 1030 L 416.88 1026.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="1000" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 1000 L 257 1060 M 353 1000 L 353 1060" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1030px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
update_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="1034" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
update_data
</text>
</switch>
</g>
<path d="M 365 1140 L 418.63 1140" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 1140 L 416.88 1143.5 L 418.63 1140 L 416.88 1136.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="1110" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 1110 L 257 1170 M 353 1110 L 353 1170" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1140px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
delete_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="1144" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
delete_data
</text>
</switch>
</g>
<path d="M 365 1250 L 418.63 1250" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 1250 L 416.88 1253.5 L 418.63 1250 L 416.88 1246.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="1220" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 1220 L 257 1280 M 353 1220 L 353 1280" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1250px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
sort_data
</div>
</div>
</div>
</foreignObject>
<text x="305" y="1254" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
sort_data
</text>
</switch>
</g>
<path d="M 365 1360 L 418.63 1360" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 1360 L 416.88 1363.5 L 418.63 1360 L 416.88 1356.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="1330" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 1330 L 257 1390 M 353 1330 L 353 1390" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1360px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
make_chart
</div>
</div>
</div>
</foreignObject>
<text x="305" y="1364" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
make_chart
</text>
</switch>
</g>
<path d="M 365 1460 L 418.63 1460" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 423.88 1460 L 416.88 1463.5 L 418.63 1460 L 416.88 1456.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="245" y="1430" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 257 1430 L 257 1490 M 353 1430 L 353 1490" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1460px; margin-left: 258px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
命令错误，重新选择
</div>
</div>
</div>
</foreignObject>
<text x="305" y="1464" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
命令错误，重新选择
</text>
</switch>
</g>
<path d="M 75 1580 L 75 1603.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 75 1608.88 L 71.5 1601.88 L 75 1603.63 L 78.5 1601.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 150 1540 L 415 1540 Q 425 1540 425 1530 L 425 220 Q 425 210 415 210 L 81.37 210" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 76.12 210 L 83.12 206.5 L 81.37 210 L 83.12 213.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 1500 L 150 1540 L 75 1580 L 0 1540 Z" fill="#ffffff" stroke="#000000" 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: 1540px; margin-left: 1px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
确定退出
</div>
</div>
</div>
</foreignObject>
<text x="75" y="1544" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
确定退出
</text>
</switch>
</g>
<path d="M 75 1670 L 75 1683.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 75 1688.88 L 71.5 1681.88 L 75 1683.63 L 78.5 1681.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<rect x="15" y="1610" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 27 1610 L 27 1670 M 123 1610 L 123 1670" fill="none" stroke="#000000" 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: 94px; height: 1px; padding-top: 1640px; margin-left: 28px;">
<div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
quit
</div>
</div>
</div>
</foreignObject>
<text x="75" y="1644" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
quit
</text>
</switch>
</g>
<ellipse cx="75" cy="1730" rx="60" ry="40" fill="#ffffff" stroke="#000000" 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: 1730px; margin-left: 16px;">
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Text is not SVG - cannot display
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Side by Side

Before

Width:  |  Height:  |  Size: 66 KiB

180
picture/picture-save.drawio.svg
Unescape View File

@ -1,180 +0,0 @@
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save_data
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save_data
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打开文件
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将所有库存记录写入文件
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<text x="75" y="384" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
将所有库存记录写入文件
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关闭文件
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关闭文件
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j结束
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j结束
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提示打开文件失败
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提示打开文件失败
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<g transform="translate(-0.5 -0.5)">
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<div data-drawio-colors="color: #000000; " 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: nowrap;">
N
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N
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<g transform="translate(-0.5 -0.5)">
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<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: 325px; margin-left: 100px;">
<div data-drawio-colors="color: #000000; " 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: nowrap;">
Y
</div>
</div>
</div>
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Y
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<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
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