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README.md
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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://bdgit.educoder.net/pkcs2aq9m/teamworks.git
下载地址：https://gitee.com/sjandsy/parts-management.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 菜单驱动的用户界面 | 孙英皓 | 杨腾泽 | 刘彩月 | 孙英皓 |
|C4 添加库存记录 | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 |李聪颖 |
|C5 查询库存记录 | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 | 李聪颖 |
|C6 打印库存列表 | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 | 李聪颖 |
|C7 修改库存记录 | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
|C8 删除库存记录 | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
|C9 库存记录排序 | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
|C10 读取库存文件 | 杨腾泽 | 杨腾泽 | 李聪颖 刘彩月 | 杨腾泽 |
|C11 将库存保存到文件 | 杨腾泽 | 杨腾泽 | 孙英皓 刘彩月 | 杨腾泽 |
| C1-C3 菜单驱动的用户界面 | | | | |
|C4 添加库存记录 | | | | |
|C5 查询库存记录 | | | | |
|C6 打印库存列表 | | | | |
|C7 修改库存记录 | | | | |
|C8 删除库存记录 | | | | |
|C9 库存记录排序 | | | | |
|C10 读取库存文件 | | | | |
|C11 将库存保存到文件 | | | | |
每个成员的工作量（百分比）：
| 杨腾泽 | 孙英皓 | 刘彩月 | 李聪颖 |
| | | | |
|--------|-------|---------|-------|
| 25 | 25 | 25 | 25 |
| | | | |
## 关于零件库存管理系统
@ -294,35 +293,25 @@ ID | NAME Amount
```
## 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（menu），选择菜单命令（menu1）、确认（confirm）、退出（exit）等子模块。
数据处理模块包括读取数据（read_data）、保存数据（saveData）、打印数据（show_goods）、查询数据（find_goods）、添加数据（insert）、更新数据（increase_count）、删除数据（delete_from_list）、数据排序（sort）和图表（Show）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/main.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
#### sort
Step1 : 输入需要排序的商品编号
Step2 : 进行排序
Step3 : 排序完成
![排序模块流程图](images/sort.drawio.svg)
显示菜单命令。
#### delete_from_list
Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
Step2: 输入需要删除的商品id
Step3: 删除商品并显示删除成功
Step4: if输入的商品id不存在则返回“您输入的商品名称没有找到！！”
![删除数据流程图](images/delete_from_list.drawio.svg)
## 详细设计
#### Show
Step1：if没有商品数据则显示“您的数据库内没有商品！”
step2: 输入商品编号打印表格
针对概要设计
![图表模块流程图](images/Show.drawio.svg)
#### main
Step 1: 初始化
@ -334,7 +323,8 @@ 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](graph/main.drawio.svg)
![主程序流程图](images/main.drawio.svg)
#### savedata
@ -345,74 +335,5 @@ 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](graph/saveData.drawio.svg)
#### insert
Step 1: if 数据库满 then 提示数据库满并结束
Step 2: 输入零件编号
Step 3: if 零件已存在 then 提示零件已存在并结束
Step 4: 输入零件名和库存数量
Step 5: 添加新零件到数据
Step 6: 提示添加成功
![添加库存记录流程图](graph/insert.drawio.svg)
#### show_goods
Step 1: 创建表格边框
Step 2: 如果没有商品
Step 3: 提示“数据库内没有商品”
Step 4: 输入编号
Step 5: 打印商品
![打印数据流程图](graph/show_goods.drawio.svg)
#### readData
Step 1: if数据库空则返回“读取数据失败”
Step 2: if没有商品则返回“注意：您的数据库内没有商品信息”
Step 3: 输入文件名称
Step 4: 输出数据库里的商品信息
![读取数据流程图](graph/readData.drawio.svg)
#### find_goods
Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
Step2: 输入需要查找的商品ID
Step3: 输出商品信息
Step4: if输入的商品信息不存在则返回 "输入的商品信息无效！！！”
![查询数据流程图](graph/find_goods.drawio.svg)
#### increase_count
Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
Step2: 输入需要修改的商品ID
Step3: 修改信息并显示修改成功
Step4: if没有需要修改的商品则返回
![修改模块流程图](graph/increase_count.drawio.svg)
#### sort
Step1 : 输入需要排序的商品编号
Step2 : 进行排序
Step3 : 排序完成
![排序模块流程图](graph/sort.drawio.svg)
#### delete_from_list
Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
Step2: 输入需要删除的商品id
Step3: 删除商品并显示删除成功
Step4: if输入的商品id不存在则返回“您输入的商品名称没有找到！！”
![删除数据流程图](graph/delete_from_list.drawio.svg)
#### Show
Step1：if没有商品数据则显示“您的数据库内没有商品！”
step2: 输入商品编号打印表格
![图表模块流程图](graph/Show.drawio.svg)
![保存数据流程图](images/saveData.drawio.svg)

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不存在则返回错误信息
</text>
</switch>
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<g transform="translate(-0.5 -0.5)">
<switch>
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<div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 198px; height: 1px; padding-top: 190px; margin-left: 61px;">
<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: 445px; 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;">
判断链表并返回信息
存在则释放对应结点并更新结点
</div>
</div>
</div>
</foreignObject>
<text x="160" y="194" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
判断链表并返回信息
<text x="240" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
存在则释放对应结点并更新结点
</text>
</switch>
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<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: 40px; margin-left: 1px;">
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调用保存函数并打印退出信息
退出模块
</div>
</div>
</div>
</foreignObject>
<text x="60" y="204" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
调用保存函数并打印退出信息
<text x="70" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
退出模块
</text>
</switch>
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<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: 40px; margin-left: 1px;">
<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: 210px; margin-left: 11px;">
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退出模块
调用保存函数并打印退出信息
</div>
</div>
</div>
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退出模块
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调用保存函数并打印退出信息
</text>
</switch>
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创建数组进行id比对
查找模块
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创建数组进行id比对
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查找模块
</text>
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若不存在则返回错误信息
判断链表是否存在并返回信息
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若不存在则返回错误信息
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判断链表是否存在并返回信息
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<rect x="70" 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>
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<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: 415px; margin-left: 181px;">
<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: 71px;">
<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;">
存在则链表返回物品信息
创建数组进行id比对
</div>
</div>
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存在则链表返回物品信息
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创建数组进行id比对
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<switch>
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<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: 40px; margin-left: 81px;">
<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: 445px; 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;">
查找模块
若不存在则返回错误信息
</div>
</div>
</div>
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查找模块
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若不存在则返回错误信息
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<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: 198px; height: 1px; padding-top: 175px; margin-left: 41px;">
<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: 445px; 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;">
判断链表是否存在并返回信息
存在则链表返回物品信息
</div>
</div>
</div>
</foreignObject>
<text x="140" y="179" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
判断链表是否存在并返回信息
<text x="240" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
存在则链表返回物品信息
</text>
</switch>
</g>

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