diff --git a/学生机房收费管理系统.cpp b/学生机房收费管理系统.cpp
new file mode 100644
index 0000000..8e263b7
--- /dev/null
+++ b/学生机房收费管理系统.cpp
@@ -0,0 +1,282 @@
+#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*******************�˵�**************\n");
+  printf("\t\t\n");
+  printf("\t\t\n");
+  printf("\t\t***************�����շѹ���ϵͳ*******\n");
+  printf("\t\t\n");
+  printf("\t\t\n");
+  printf("\t\t1.###############����ѧ����Ϣ:########\n");
+  printf("\t\t2.#################�ϻ�����:##########\n");
+  printf("\t\t3.################ɾ������:###########\n");
+  printf("\t\t4.################��ѧ�Ų�ѯ:#########\n");
+  printf("\t\t5.################���༶��ѯ:#########\n");
+  printf("\t\t6.################��������ѯ:#########\n");
+  printf("\t\t7.################��ʾѧ����Ϣ:#######\n");
+  printf("\t\t8.##################�˳�ϵͳ:#########\n");
+  printf("\n\n\n\n���ڣ�1-8��֮��ѡ����:");
+  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("������ѧ��:");
+ scanf("%ld",&student[i].xuehao);
+ 
+ printf("����������:");
+ scanf("%s",student[i].name);
+ 
+ printf("������༶:");
+ scanf("%s",student[i].banji);
+ 
+ printf("�������ϻ�ʱ��:");
+ scanf("%d:%d",&student[i].begin.hour,&student[i].begin.minute);
+ i = i + 1;
+ printf("������%d",i);
+       j=i;
+       save();
+ printf("\n");  system("pause");
+ system("cls");
+}
+void end_money() {
+ int m,minute,hour;
+ char xuehao;
+ printf("������ѧ��:");
+ scanf("%ld",&xuehao);
+ for(m = 0; m < i; m++)
+ {
+   if(student[m].xuehao==xuehao)
+  {
+   printf("������%ld���»�ʱ��:",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("�ϻ�ʱ��Ϊ:%d:%d ����Ϊ:%d",student[m].time_hour,student[m].time_minute,hour);
+   }
+    else {
+    printf("�ϻ�ʱ��Ϊ:%d:%d\n ����Ϊ:%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("������ѧ��:");
+ scanf("%ld",&xuehao);
+ if(i==1)
+{
+  if(student[m].xuehao==xuehao)
+  printf("û������!");
+ }
+else{
+    for(m=0;m<i;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("������ѧ��:");
+ scanf("%ld",&xuehao);
+ for(m = 0; m < i; m++)
+ {
+  if(student[m].xuehao==xuehao)
+  {
+   printf("ѧ��:%ld\t",student[m].xuehao);
+   printf(" �༶:%s\t",student[m].banji);
+   printf("����:%s\t",student[m].name);
+   printf(" �ϻ���ʼʱ��:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
+   printf("�ϻ�����ʱ��:%d:%d\t",student[m].end.hour,student[m].end.minute);
+   printf("�ϻ�ʱ��:%d:%d\n\t",student[m].time_hour,student[m].time_minute);
+  }
+  else if( m == i)
+  {
+   printf("û�и�����¼:\n");
+  }
+ }
+save();
+ printf("\n");  system("pause");
+ system("cls");
+}
+void select_banji() {
+ char banji[10];
+ int m;
+ printf("������༶:");
+ scanf("%s",banji);
+ for(m = 0; m < i; m++)
+ {
+  if(!strcmp(banji,student[m].banji)) {
+   printf("ѧ����:%ld\t",student[m].xuehao);
+   printf("�༶��:%s\t",student[m].banji);
+   printf("������:%s\t",student[m].name);
+   printf("�ϻ���ʼʱ��:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
+   printf("�ϻ�����ʱ��:%d:%d\t",student[m].end.hour,student[m].end.minute);
+   printf("�ϻ�ʱ��Ϊ:%d:%d\n",student[m].time_hour,student[m].time_minute);
+  }
+ else if( m == i)
+ {
+ printf("û�и�����¼:\n");
+  }
+ }save();
+ printf("\n");  system("pause");
+   system("cls");
+}
+void select_name()
+{char name[10];
+int m;
+printf("����������:");
+scanf("%s",name);
+for(m=0;m<i;m++)
+{
+ if(!strcmp(name,student[m].name))
+ {
+  printf("ѧ��Ϊ%ld\t",student[m].xuehao);
+   printf("�༶Ϊ%s\t",student[m].banji);
+    printf("����Ϊ%s\t",student[m].name);
+     printf("�ϻ���ʼʱ��:%d:%d\t",student[m].begin.hour,student[m].begin.minute);
+   printf("�ϻ�����ʱ��:%d:%d\t",student[m].end.hour,student[m].end.minute);
+   printf("�ϻ�ʱ��Ϊ:%d:%d\n",student[m].time_hour,student[m].time_minute);
+ }
+ else if(m==i)
+ {
+  printf("û�м�¼:\n");
+ }
+}save();
+ system("pause");
+ system("cls");
+}
+void save()
+{
+ FILE *fp;
+    int m;
+   
+fp=fopen("ѧ����������.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("ѧ��     �༶      ����      �ϻ�ʱ��      �»�ʱ��      ��ʱ\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");
+ }