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2414352760@qq.com 6 years ago
parent 2a12984007 c68fd87b60
commit 9b7ac89855
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j1.cpp
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct time {
int hour;
int minute;
};
struct Student {
long int xuehao;
char banji[10];
char name[10];
int time_hour;
int time_minute;
struct time begin,end;
} ;
struct Student student[30];
static int i=0,j;
void save();
void insert();
void end_money();
void delete_student();
void select_xuehao();
void select_name();
void select_banji();
void show();
int main() {
int menu();
int i;
for(;;)
{
printf("\t\t*******************菜单**************\n");
printf("\t\t\n");
printf("\t\t\n");
printf("\t\t***************机房收费管理系统*******\n");
printf("\t\t\n");
printf("\t\t\n");
printf("\t\t1.###############输入学生信息:########\n");
printf("\t\t2.#################上机费用:##########\n");
printf("\t\t3.################删除档案:###########\n");
printf("\t\t4.################按学号查询:#########\n");
printf("\t\t5.################按班级查询:#########\n");
printf("\t\t6.################按姓名查询:#########\n");
printf("\t\t7.################显示学生信息:#######\n");
printf("\t\t8.##################退出系统:#########\n");
printf("\n\n\n\n请在（1-8）之间选择功能:");
scanf("%d",&i);
switch(i)
{
case 1:
{
system("cls");
insert();
}
break;
case 2:
{
system("cls");
end_money();
}
break;
case 3:
{
system("cls");
delete_student();
}
break;
case 4:
{
system("cls");
select_xuehao();
}
break;
case 5:
{
system("cls");
select_banji();
}
break;
case 6:
{
system("cls");
select_name();
}
break;
case 7:
{
system("cls");
show();
} break;
case 8:
{
exit(0);
}
break;
}
}
printf("\n"); system("pause");
save();
return 0;
}
void insert() {
printf("请输入学号:");
scanf("%ld",&student[i].xuehao);
printf("请输入姓名:");
scanf("%s",student[i].name);
printf("请输入班级:");
scanf("%s",student[i].banji);
printf("请输入上机时间:");
scanf("%d:%d",&student[i].begin.hour,&student[i].begin.minute);
i = i + 1;
printf("人数：%d",i);
j=i;
save();
printf("\n"); system("pause");
system("cls");
}
void end_money() {
int m,minute,hour;
long int xuehao;
printf("请输入学号:");
scanf("%ld",&xuehao);
for(m = 0; m < i; m++)
{
if(student[m].xuehao==xuehao)
{
printf("请输入%ld的下机时间:",xuehao);
scanf("%d:%d",&student[m].end.hour,&student[m].end.minute);
if(student[m].end.minute<student[m].begin.minute)
{
minute=student[m].end.minute+60
-student[m].begin.minute;
hour=student[m].end.hour-1-student[m].begin.hour;
student[m].time_hour = hour;
student[m].time_minute = minute;
}
else
{
minute=student[m].end.minute -student[m].begin.minute;
hour=student[m].end.hour -student[m].begin.hour;
student[m].time_hour = hour;
student[m].time_minute = minute;
}
if(minute > 0)
{
hour = hour + 1;
printf("上机时间为:%d:%d 费用为:%d",student[m].time_hour,student[m].time_minute,hour);
}
else {
printf("上机时间为:%d:%d\n 费用为:%d",student[m].time_hour,student[m].time_minute,hour);
}
}
}
save();
printf("\n"); system("pause");
system("cls");
}
void delete_student()
{
long int xuehao;
int m;
printf("请输入学号:");
scanf("%ld",&xuehao);
if(i==1)
{
if(student[m].xuehao==xuehao)
printf("没有数据!");
}
else{
for(m=0;m<i-1;m++)
if(student[m].xuehao==xuehao)break;
for(;m<i;m++) student[m]=student[m+1];
}
save();
printf("\n");
system("pause");
system("cls");
}
void select_xuehao() {
long int xuehao;
int m;
printf("请输入学号:");
scanf("%ld",&xuehao);
for(m = 0; m < i; m++)
{
if(student[m].xuehao==xuehao)
{
printf("学号:%ld\t",student[m].xuehao);
printf(" 班级:%s\t",student[m].banji);
printf("姓名:%s\t",student[m].name);
printf(" 上机开始时间:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
printf("上机结束时间:%d:%d\t",student[m].end.hour,student[m].end.minute);
printf("上机时间:%d:%d\n\t",student[m].time_hour,student[m].time_minute);
}
else if( m == i)
{
printf("没有该生记录:\n");
}
}
save();
printf("\n"); system("pause");
system("cls");
}
void select_banji() {
char banji[10];
int m;
printf("请输入班级:");
scanf("%s",banji);
for(m = 0; m < i; m++)
{
if(!strcmp(banji,student[m].banji)) {
printf("学号是:%ld\t",student[m].xuehao);
printf("班级是:%s\t",student[m].banji);
printf("姓名是:%s\t",student[m].name);
printf("上机开始时间:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
printf("上机结束时间:%d:%d\t",student[m].end.hour,student[m].end.minute);
printf("上机时间为:%d:%d\n",student[m].time_hour,student[m].time_minute);
}
else if( m == i)
{
printf("没有该生记录:\n");
}
}save();
printf("\n"); system("pause");
system("cls");
}
void select_name()
{char name[10];
int m;
printf("请输入姓名:");
scanf("%s",name);
for(m=0;m<i;m++)
{
if(!strcmp(name,student[m].name))
{
printf("学号为%ld\t",student[m].xuehao);
printf("班级为%s\t",student[m].banji);
printf("姓名为%s\t",student[m].name);
printf("上机开始时间:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
printf("上机结束时间:%d:%d\t",student[m].end.hour,student[m].end.minute);
printf("上机时间为:%d:%d\n",student[m].time_hour,student[m].time_minute);
}
else if(m==i)
{
printf("没有记录:\n");
}
}save();
system("pause");
system("cls");
}
void save()
{
FILE *fp;
int m;
fp=fopen("学生机房管理.txt","w");
for(m=0;m<i;m++)
{
fprintf(fp,"%ld %s %s %d %d %d %d %d %d %d %d\n",student[m].xuehao,student[m].banji,student[m].name,student[m].begin.hour,student[m].begin.minute,student[m].end.hour,student[m].end.minute,student[m].time_hour,student[m].time_minute);
}
fclose(fp);
}
void show()
{
int m;
printf("学号 班级 姓名 上机时间 下机时间 用时\n");
for(m=0;m<i;m++)
{printf("%ld %s %s %d:%d %d:%d %d:%d\n",student[m].xuehao,student[m].banji,student[m].name,student[m].begin.hour,student[m].begin.minute,student[m].end.hour,student[m].end.minute,student[m].time_hour,student[m].time_minute);
}
system("pause");
system("cls");
}
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