#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <windows.h>
const int MAX_NAME = 128;
const int NAME = 32;
const int LEVEL = 16;
typedef struct teacher
//教师类型结构体
{
int
num;
char name[128];
char
level[16];
char sex[10];
int age;
double score;
} TEACHER;
/*输入教师信息函数 */
void input(TEACHER *data, int *len)
{
int num;
void save(TEACHER *data, int len);
putchar('\n');
printf("%s\n", "请输入新的记录，如果需要退出当前菜单请输入-1.");
printf("%s\n", "格式：\n职工号\n");
printf("%s\n", "姓名 职称 性别 年龄 教学效果综合评分");
putchar('\n');
printf("如:\n");
printf("1\n");
printf("李白 副教授 男 25 92\n");
scanf("%d", &num);
while(num != -1)
{
data[*len].num = num;
scanf("%s %s %s %d %lf", data[*len].name, &data[*len].level, &data[*len].sex, &data[*len].age, &data[*len].score);
(*len)++;
scanf("%d", &num);
}
void save(TEACHER *data,int len);
}
/*输出教师信息函数*/
void output(TEACHER *data, int len)
{
int i;
system("cls");
printf("%10s", "职工号");
printf("%10s", "姓名");
printf("%10s", "职称");
printf("%10s", "性别");
printf("%10s", "年龄");
printf("%12s", "教学效果综合评分");
putchar('\n');
for (i =0; i < 80; i++)
putchar('=');
putchar('\n');
for (i = 0; i< len; i++)
{
printf("%10d", data[i].num);
printf("%10s", data[i].name);
printf("%10s", data[i].level);
printf("%10s", data[i].sex);
printf("%10d", data[i].age);
printf("%12lf", data[i].score);
putchar('\n');
}
for (i =0; i < 80; i++)
putchar('=');
putchar('\n');
printf("按回车键继续.");
getchar();
getchar();
}
/*排序函数*/
void sort(TEACHER *data, int len)
{
int i,j,k;
TEACHER temp;
for (i=0; i<len-1; i++)
{
for (j=i+1; j<len; j++)
if (data[i].score > data[j].score)
{
temp = data[i];
data[i] = data[k];
data[k] = temp;
}
}
}
/*搜索函数*/
void find(TEACHER *data, int len)
{
int find_num, result ;
int i;
lab: result=0;
printf("%s\n", "请选择输入需要查找的老师的职工号或姓名，退出当前菜单请输入 -1.");
scanf("%d", &find_num);
if (find_num == -1)
return;
while( data[result].num != find_num && result < len)
result ++;
if (result >= len )
{
printf("%s\n", "未查询到相关信息");
goto lab;
}
else
{
system("cls");
printf("%s\n", "查询信息如下：");
for (i =0; i < 80; i++)
putchar('=');
putchar('\n');
printf("%10s", "职工号");
printf("%10s", "姓名");
printf("%10s", "职称");
printf("%10s", "性别");
printf("%10s", "年龄");
printf("%12s", "教学效果综合评分");
putchar('\n');
printf("%10d", data[result].num);
printf("%10s", data[result].name);
printf("%10s", data[result].level);
printf("%10s", data[result].sex);
printf("%10d", data[result].age);
printf("%12.1lf", data[result].score);
putchar('\n');
for (i =0; i < 80; i++)
putchar('=');
putchar('\n');
goto lab;
}
}
/*显示信息函数*/
void paint()
{
int i;
system("cls");
printf("%55s\n", "北方工业大学学生成绩管理系统\n");
printf("
制作者:
何闻达
\n");
for (i = 0; i < 80; i++)
putchar('=');
putchar('\n');
putchar('\n');
putchar('\n');
printf("
1 输入信息
2 输出信息\n");
printf("
3 按教学效果综合评分排序
4 按学号查找\n");
printf("
0 退出\n");
putchar('\n');
putchar('\n');
putchar('\n');
for (i = 0; i<= 79; i++)
putchar('=');
putchar('\n');
putchar('\n');
printf("%s\n", "请输入各操作对应的序号:");
}
/*保存文件函数*/
void save(TEACHER *data, int len)
{
int i;
FILE *fp;
fp=fopen("d:\\教师信息统计.txt","w");
fprintf(fp,"%10s", "职工号");
fprintf(fp,"%10s", "职称");
fprintf(fp,"%10s", "姓名");
fprintf(fp,"%10s", "性别");
fprintf(fp,"%10s", "年龄");
fprintf(fp,"%12s", "教学效果综合评分");
fprintf(fp,"========================================================================\n");
putchar('\n');
for (i = 0; i< len; i++)
{
fprintf(fp,"%10d", data[i].num);
fprintf(fp,"%10s", data[i].name);
fprintf(fp,"%10s", data[i].level);
fprintf(fp,"%10s", data[i].sex);
fprintf(fp,"%10d", data[i].age);
fprintf(fp,"%12lf", data[i].score);
}
fprintf(fp,"========================================================================\n");
fclose(fp);
printf("文件已保存到\"成绩统计表.txt\"");
getchar();
getchar();
}
/*主函数*/
int main()
{
TEACHER data[NAME];
int len = 0;
char ctrl_ch;
paint();
scanf("%c", &ctrl_ch);
while (ctrl_ch != '0')
{
switch(ctrl_ch)
{
;
case '1':
input(data, &len);
break;
case '2':
output(data, len);
break;
case '3':
sort(data, len);
break;
case '4':
find(data, len);
break;
case '5':
save(data, len);
break;
default:
if (ctrl_ch != '\n') printf("%s\n", "输入错误!");
break;
}
if (ctrl_ch != '\n')
paint();
scanf("%c", &ctrl_ch);
}
return 0;
}
