pull/20/head
wangkaixuan 2 years ago
commit abcca07ce4

@ -30,14 +30,12 @@
| ------ | ------ | ------ | ------ |
| 25 | 25 | 25 | 25 |
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
## 关于零件库存管理系统
设计一个库存零件管理系统,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。

206
daima

@ -1,5 +1,98 @@
#define NAME_LEN 31
#define MAX_PARTS 100
//保存学生成绩信息的结构
struct students
{
int number;
char name[NAME_LEN + 1];
int score;
};
static struct students stu[MAX_PARTS];
static int num_parts = 0;
#include <stdio.h>
#include <stdlib.h>
//定义常量
#define CMD_QUIT 0
#define CMD_QUERY 4
#define CMD_INSERT 5
#define CMD_UPDATE 6
#define CMD_DELETE 7
#define CMD_READ 1
#define CMD_SAVE 2
#define CMD_PRINT 3
#define CMD_SORT 8
#define CMD_CHART 9
// 菜单命令的编号
// 函数声明
void init(void);
void quit(void);
void display_menu(void);
int make_choice(void);
void read_data(void); // 读取
void save_data(void); // 保存
void print_data(void); // 打印
void query_data(void); // 查询
void add_data(void); // 添加
void update_data(void); // 修改
void delete_data(void); // 删除
void sort_data(void); // 排序
void make_chart(void); // 图表
int confirm(const char *msg);
// 主程序
int main(void)
{
init(); // 程序启动
while (1)
{
display_menu();
int c = make_choice();
switch (c)
{
case CMD_QUERY:
query_data();
break;
case CMD_INSERT:
add_data();
break;
case CMD_UPDATE:
update_data();
break;
case CMD_DELETE:
delete_data();
break;
case CMD_READ:
read_data();
break;
case CMD_SAVE:
save_data();
break;
case CMD_PRINT:
print_data();
break;
case CMD_SORT:
sort_data();
break;
case CMD_CHART:
make_chart();
break;
default:
puts("命令错误,请重新选择");
break;
case CMD_QUIT:
if (confirm("确定要退出吗?"))
quit(); // 仅在确认后退出
break;
}
}
return 0;
}
<<<<<<< HEAD
<<<<<<< HEAD
=======
>>>>>>> ad11bacb9e5e62e3d66d89b598e042d9c52b72df
// 函数定义
void init(void)
@ -67,7 +160,33 @@ void print_data(void)
//添加
void add_data(void)
<<<<<<< HEAD
=======
=======
{
int num;
printf("输入学生学号:");
scanf("%d", &num);
int f = 0;
for (int i = 0; i < num_parts; i++)
{
if (num == stu[i].number)
{
f = 1;
break;
}
}
if (f == 0)
{
stu[num_parts].number = num;
printf("输入学生姓名:");
scanf("%s", &stu[num_parts].name);
printf("输入学生成绩:");
scanf("%d", &stu[num_parts].score);
num_parts++;
printf("学生 %d 添加成功\n", num);
}
>>>>>>> ad11bacb9e5e62e3d66d89b598e042d9c52b72df
else
{
printf("学生已存在");
@ -167,4 +286,91 @@ void read_data(void)
num_parts = i;
printf("读取 %d 记录\n", num_parts);
}
<<<<<<< HEAD
>>>>>>> 3aaec9cca337fd57c2c1b138e8ad7fee782cc079
=======
void save_data(void)
{
puts("保存数据");
printf(" 请输入文件名");
char filename[256];
scanf("%s", filename);
FILE *fp = fopen(filename, "r");
if (fp == NULL)
{
perror(filename);
return;
}
for (int i = 0; i < num_parts; i++)
{
fprintf(fp, "%d,%s,%d\n", stu[i].number, stu[i].name, stu[i].score);
}
fclose(fp);
printf("保存%d 成功", num_parts);
}
//排序
void sort_data(void)
{
printf("排序\n");
for (int i = 0; i < num_parts; i++)
{
int change = 0;
static struct students t;
for (int j = 0; j < num_parts - i - 1; j++)
{
if (stu[j].number > stu[j + 1].number)
{
t = stu[j + 1];
stu[j + 1] = stu[j];
stu[j] = t;
change = 1;
}
}
if (!change)
break;
}
for (int i = 0; i < num_parts; i++)
{
int change = 0;
static struct students t;
for (int j = 0; j < num_parts - i - 1; j++)
{
if (stu[j].score > stu[j + 1].score)
{
t = stu[j + 1];
stu[j + 1] = stu[j];
stu[j] = t;
change = 1;
}
}
if (!change)
break;
}
printf("排序已完成");
}
void make_chart(void)
{
printf("NUMBER | NAME score\n");
for (int i = 0; i < num_parts; i++)
{
printf("%d | %s ", stu[i].number, stu[i].name);
for (int j = 0; j < stu[i].score; j++)
{
printf("*");
}
printf("\n");
}
printf("图表\n");
}
int confirm(const char *msg)
{
char c = 'n'; // 默认选择是 no
printf("%s(Y/N): ", msg); // 提示输入 yes/no 进行确认
scanf(" %c%*[^\n]", &c); // 读取第一个字符,忽略剩余字符
return c == 'y' || c == 'Y'; // 返回确认结果
}
>>>>>>> ad11bacb9e5e62e3d66d89b598e042d9c52b72df

@ -0,0 +1,83 @@
void save_data(void)
{
puts("保存数据");
printf(" 请输入文件名");
char filename[256];
scanf("%s", filename);
FILE *fp = fopen(filename, "r");
if (fp == NULL)
{
perror(filename);
return;
}
for (int i = 0; i < num_parts; i++)
{
fprintf(fp, "%d,%s,%d\n", stu[i].number, stu[i].name, stu[i].score);
}
fclose(fp);
printf("保存%d 成功", num_parts);
}
//排序
void sort_data(void)
{
printf("排序\n");
for (int i = 0; i < num_parts; i++)
{
int change = 0;
static struct students t;
for (int j = 0; j < num_parts - i - 1; j++)
{
if (stu[j].number > stu[j + 1].number)
{
t = stu[j + 1];
stu[j + 1] = stu[j];
stu[j] = t;
change = 1;
}
}
if (!change)
break;
}
for (int i = 0; i < num_parts; i++)
{
int change = 0;
static struct students t;
for (int j = 0; j < num_parts - i - 1; j++)
{
if (stu[j].score > stu[j + 1].score)
{
t = stu[j + 1];
stu[j + 1] = stu[j];
stu[j] = t;
change = 1;
}
}
if (!change)
break;
}
printf("排序已完成");
}
void make_chart(void)
{
printf("NUMBER | NAME score\n");
for (int i = 0; i < num_parts; i++)
{
printf("%d | %s ", stu[i].number, stu[i].name);
for (int j = 0; j < stu[i].score; j++)
{
printf("*");
}
printf("\n");
}
printf("图表\n");
}
int confirm(const char *msg)
{
char c = 'n'; // 默认选择是 no
printf("%s(Y/N): ", msg); // 提示输入 yes/no 进行确认
scanf(" %c%*[^\n]", &c); // 读取第一个字符,忽略剩余字符
return c == 'y' || c == 'Y'; // 返回确认结果
}
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