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Merge branch 'master' of https://bdgit.educoder.net/pfh4wq3fa/ssssss

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master
fei liang rong 2 years ago
parent 5c5fcd2970 8cb418a64b
commit d5030ea8b0
12 changed files with 554 additions and 80 deletions
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83
README.md
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@ -19,8 +19,6 @@
| 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）：
@ -234,69 +232,7 @@
```
#### 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,程序设计,80
104,离散数学,88
101,老人与海,90
102,高等数学,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 | 程序设计 | 80 |
| 104 | 离散数学 | 88 |
| 101 | 老人与海 | 90 |
| 102 | 高等数学 | 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
#### C10: 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。
@ -353,14 +289,12 @@ 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](main.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
@ -368,10 +302,9 @@ 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](picture-save.svg)
![保存数据流程图](save.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
@ -379,7 +312,7 @@ 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](picture-add.svg)
![添加库存记录流程图](add.svg)
### query_data
@ -426,16 +359,6 @@ 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](sort1.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

82
add.drawio
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@ -0,0 +1,82 @@
<mxfile host="65bd71144e">
<diagram id="QuHIXDwPZxQIOHana4pj" name="Page-1">
<mxGraphModel dx="746" dy="563" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
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<mxCell id="5" value="if数据库满" style="rhombus;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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</mxCell>
<mxCell id="14" value="Y" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" vertex="1" parent="1">
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</mxCell>
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<mxCell id="21" value="提示添加成功" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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51
app.c
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@ -193,4 +193,55 @@ void delete_data()
{
printf("没有找到编号为%d的图书!\n", id);
}
}
// 对图书信息进行排序
void sort_data()
{
struct book *p, *q; // 两节点指针
struct book temp; // 临时图书结构体
p = books;
while(p != NULL)
{
q = p->next;
while(q != NULL)
{
if(p->id > q->id) // 交换节点
{
temp = *p;
*p = *q;
*q = temp;
}
q = q->next;
}
p = p->next;
}
printf("图书信息排序成功!\n");
}
// 生成图表报表
void make_chart()
{
struct book *p;
char name[20];
int i, n;
float price;
printf("请输入要生成的图书数量:");
scanf("%d", &n);
for(i=1; i<=n; i++)
{
p = (struct book*)malloc(sizeof(struct book));
sprintf(name, "图书%d", i); // 生成图书名称
p->id = i; // 图书编号
strcpy(p->name, name); // 图书名称
strcpy(p->author, "作者"); // 作者
price = (i+1)*10.0; // 价格
p->price = price; // 图书价格
p->next = books; // 新节点指向原链表头
books = p; // 新节点成为链表头
}
printf("随机图书信息生成成功!\n");
}

57
chart.drawio
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@ -0,0 +1,57 @@
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<mxCell id="10" value="打印图表" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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</mxCell>
<mxCell id="11" value="打印成功" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
<mxGeometry x="70" y="430" width="120" height="60" as="geometry"/>
</mxCell>
<mxCell id="12" value="打印结束" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" vertex="1" parent="1">
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0
data.h
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124
main1.drawio
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<mxCell id="17" value="保存" style="rounded=1;whiteSpace=wrap;html=1;fontSize=18;" vertex="1" parent="1">
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</mxCell>
<mxCell id="18" value="打印" style="rounded=1;whiteSpace=wrap;html=1;fontSize=18;" vertex="1" parent="1">
<mxGeometry x="510" y="120" width="80" height="40" as="geometry"/>
</mxCell>
<mxCell id="19" value="查询" style="rounded=1;whiteSpace=wrap;html=1;fontSize=18;" vertex="1" parent="1">
<mxGeometry x="510" y="180" width="80" height="40" as="geometry"/>
</mxCell>
<mxCell id="20" value="添加" style="rounded=1;whiteSpace=wrap;html=1;fontSize=18;" vertex="1" parent="1">
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