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5
.vscode/extensions.json vendored
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{
"recommendations": [
"hediet.vscode-drawio"
]
}

79
README.md
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## 详细设计
各模块的主要功能如下：
#### main
伪代码：
```
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: if c == CMD_QUERY then 查询数据
Step 2.7: if c == CMD_ADD 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 排序数据
Step 2.11: if c == CMD_MAKE then 显示图表
Step 2.12: if c == CMD_QUIT then 退出
```
流程图：
![](pictures/main_chart.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
![](pictures/save_data.drawio.svg)
#### query_data
Step 1: 输入学生学号
Step 2: if学号不存在 then 提示学生不存在并结束
Step 3: else 学号存在 then 输出学号、姓名、成绩
![](pictures/query_data.drawio.svg)
#### read_data
Step 1: 输入文件名
Step 2: 打开文件
Step 3: if 文件为空 then 结束
Step 4: else 读取文件
Step 5: 提示读取并记录
![](pictures/read.drawio.svg)
#### make_chart
Step 1: 读取文件
Step 2: 显示图表
![](pictures/make_chart.drawio.svg)
#### confirm
Step 1: 输出 确定要退出吗
Step 2: if 确认 then 退出
![](pictures/confirm.drawio.svg)

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<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: 135px; margin-left: 31px;">
<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;">
输入学号
</div>
</div>
</div>
</foreignObject>
<text x="90" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
输入学号
</text>
</switch>
</g>
<path d="M 180 240 L 420 240 Q 430 240 430 250 L 430 353.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 430 358.88 L 426.5 351.88 L 430 353.63 L 433.5 351.88 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: 240px; margin-left: 370px;">
<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;">
Label
</div>
</div>
</div>
</foreignObject>
<text x="370" y="243" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
Label
</text>
</switch>
</g>
<path d="M 90 280 L 90 353.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 90 358.88 L 86.5 351.88 L 90 353.63 L 93.5 351.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 90 200 L 180 240 L 90 280 L 0 240 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: 178px; height: 1px; padding-top: 240px; 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;">
学号存在?
</div>
</div>
</div>
</foreignObject>
<text x="90" y="244" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
学号存在?
</text>
</switch>
</g>
<path d="M 90 420 L 90 553.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 90 558.88 L 86.5 551.88 L 90 553.63 L 93.5 551.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 20 420 L 40 360 L 160 360 L 140 420 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: 138px; height: 1px; padding-top: 390px; 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;">
显示：学号不存在
</div>
</div>
</div>
</foreignObject>
<text x="90" y="394" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
显示：学号不存在
</text>
</switch>
</g>
<path d="M 430 420 L 430 490 Q 430 500 420 500 L 96.37 500" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 91.12 500 L 98.12 496.5 L 96.37 500 L 98.12 503.5 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: 501px; margin-left: 276px;">
<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;">
Label
</div>
</div>
</div>
</foreignObject>
<text x="276" y="504" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
Label
</text>
</switch>
</g>
<path d="M 360 420 L 380 360 L 500 360 L 480 420 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: 138px; height: 1px; padding-top: 390px; margin-left: 361px;">
<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;">
输出姓名学号成绩
</div>
</div>
</div>
</foreignObject>
<text x="430" y="394" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
输出姓名学号成绩
</text>
</switch>
</g>
<ellipse cx="90" cy="590" rx="60" 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>
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After

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144
pictures/read.drawio.svg
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<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="351px" height="671px" viewBox="-0.5 -0.5 351 671" content="&lt;mxfile&gt;&lt;diagram id=&quot;6bK-31pJimxJY320Gb6T&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
<defs/>
<g>
<path d="M 85 70 L 85 83.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 85 88.88 L 81.5 81.88 L 85 83.63 L 88.5 81.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<ellipse cx="85" cy="35" rx="75" ry="35" 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: 148px; height: 1px; padding-top: 35px; margin-left: 11px;">
<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;">
<font color="#000000">
read_data
</font>
</div>
</div>
</div>
</foreignObject>
<text x="85" y="39" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
read_data
</text>
</switch>
</g>
<path d="M 85 160 L 85 181.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 85 188.88 L 82.67 181.88 L 87.33 181.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 85 250 L 85 271.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 85 278.88 L 82.67 271.88 L 87.33 271.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 75 250 L 20 250 Q 10 250 13.16 240.51 L 26.84 199.49 Q 30 190 40 190 L 150 190 Q 160 190 156.84 199.49 L 143.16 240.51 Q 140 250 130 250 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: 220px; margin-left: 11px;">
<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;">
<font color="#000000">
打开文件
</font>
</div>
</div>
</div>
</foreignObject>
<text x="85" y="224" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
打开文件
</text>
</switch>
</g>
<path d="M 170 320 L 270 320 Q 280 320 280 330 L 280 371.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 280 378.88 L 277.67 371.88 L 282.33 371.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 85 360 L 85 591.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 85 598.88 L 82.67 591.88 L 87.33 591.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 42.5 300 L 75.95 284.26 Q 85 280 94.05 284.26 L 160.95 315.74 Q 170 320 160.95 324.26 L 94.05 355.74 Q 85 360 75.95 355.74 L 9.05 324.26 Q 0 320 9.05 315.74 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: 168px; height: 1px; padding-top: 320px; 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;">
<font color="#000000">
文件为空？
</font>
</div>
</div>
</div>
</foreignObject>
<text x="85" y="324" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
文件为空？
</text>
</switch>
</g>
<path d="M 280 440 L 280 471.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 280 478.88 L 277.67 471.88 L 282.33 471.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 270 440 L 220 440 Q 210 440 213.16 430.51 L 226.84 389.49 Q 230 380 240 380 L 340 380 Q 350 380 346.84 389.49 L 333.16 430.51 Q 330 440 320 440 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: 138px; height: 1px; padding-top: 410px; 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;">
<font color="#000000">
读取文件
</font>
</div>
</div>
</div>
</foreignObject>
<text x="280" y="414" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
读取文件
</text>
</switch>
</g>
<path d="M 280 540 L 280 570 Q 280 580 270 580 L 88.12 580" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 81.12 580 L 88.12 577.67 L 88.12 582.33 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 270 540 L 220 540 Q 210 540 213.16 530.51 L 226.84 489.49 Q 230 480 240 480 L 340 480 Q 350 480 346.84 489.49 L 333.16 530.51 Q 330 540 320 540 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: 138px; height: 1px; padding-top: 510px; 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;">
<font color="#000000">
显示数据，记录
</font>
</div>
</div>
</div>
</foreignObject>
<text x="280" y="514" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
显示数据，记录
</text>
</switch>
</g>
<ellipse cx="85" cy="635" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<path d="M 85 150 L 85 183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 85 188.88 L 81.5 181.88 L 85 183.63 L 88.5 181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 10 150 L 30 90 L 160 90 L 140 150 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: 120px; margin-left: 11px;">
<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;">
<font color="#000000">
输入文件名
</font>
</div>
</div>
</div>
</foreignObject>
<text x="85" y="124" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
输入文件名
</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>
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163
pictures/save_data.drawio.svg
Unescape View File

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<g transform="translate(-0.5 -0.5)">
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<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: 158px; 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;">
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<font color="#000000">
save_data
</font>
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</div>
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<text x="80" y="39" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
save_data
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<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: 158px; height: 1px; padding-top: 355px; margin-left: 1px;">
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<font color="#000000">
打开文件成功？
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<text x="80" y="359" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
打开文件成功？
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<rect x="0" y="530" width="150" height="70" rx="10.5" ry="10.5" fill="#ffffff" stroke="#000000" pointer-events="all"/>
<g transform="translate(-0.5 -0.5)">
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<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: 565px; 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;">
<font color="#000000" style="font-size: 12px;">
关闭文件
</font>
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</div>
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<text x="75" y="569" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
关闭文件
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<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: 138px; height: 1px; padding-top: 455px; margin-left: 201px;">
<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;">
<font color="#000000">
提示打开文件失败
</font>
</div>
</div>
</div>
</foreignObject>
<text x="270" y="459" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
提示打开文件失败
</text>
</switch>
</g>
<ellipse cx="75" cy="665" rx="75" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/>
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<path d="M 80 208.88 L 76.5 201.88 L 80 203.63 L 83.5 201.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<path d="M 10 170 L 30 110 L 150 110 L 130 170 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: 138px; height: 1px; padding-top: 140px; margin-left: 11px;">
<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;">
<font color="#000000">
输入文件名
</font>
</div>
</div>
</div>
</foreignObject>
<text x="80" y="144" 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 80 270 L 80 303.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
<path d="M 80 308.88 L 76.5 301.88 L 80 303.63 L 83.5 301.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
<rect x="20" y="210" width="120" height="60" rx="9" ry="9" 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: 240px; margin-left: 21px;">
<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: normal; overflow-wrap: normal;">
打开文件夹
</div>
</div>
</div>
</foreignObject>
<text x="80" y="244" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
打开文件夹
</text>
</switch>
</g>
<path d="M 10 420 L 150 420 L 150 488 Q 115 466.4 80 488 Q 45 509.6 10 488 L 10 432 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: 138px; height: 1px; padding-top: 448px; margin-left: 11px;">
<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;">
<font color="#000000">
把所有库存记录写入文件
</font>
</div>
</div>
</div>
</foreignObject>
<text x="80" y="452" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
把所有库存记录写入文件
</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>
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