#include<stdio.h>
			#include<string.h>
			#include<stdlib.h>
			struct time
			{
				int hour;
				int min;
			};
			 struct STUDENT
			{
				
				char NO[20];
				char CLASS[20];
				char NAME[20];
				int time_hour;
				int time_min;
				struct time begin,end;
			 };
			 struct STUDENT stu[30];
			 static int i=0;
			 void insert();
			 void findCLASS();
			 void findNO();
			 void findNAME();
			 void money();
			 void add_student();
		     void del_student();
			 void addfile();
			 void show();
	 int main()
		{
			 	int i;
			 	for(;;)
			    {
			 		printf("\t\t\t*********************\n");
			 	    printf("\t\t\t        MENU     \n");
			 	    printf("\t\t\t1 Type stu info\n");
			 	    printf("\t\t\t2 serch by stu NO\n");
			 	    printf("\t\t\t3 serch by CLASS\n");
			 	    printf("\t\t\t4 serch by NAME\n");
			 	    printf("\t\t\t5 Pay Money\n");
			 	    printf("\t\t\t6 add student\n");
			 	    printf("\t\t\t7 delete student\n");
			 	    printf("\t\t\t8 add to file\n");
			 	    printf("\t\t\t9 show file\n");
			 	    printf("\t\t\t10 Close system");
			 	    printf("\n\n\n\t\t\tPlease type what u want:\n\n\t\t\t");
			 	    scanf("%d",&i);
			 	    switch(i)
			 	    {
			 	    	case 1:
			 	    		{
			 	    			system("cls");
			 	    		    insert();
			 	    		
							 }break;
							 case 2:
							 	{
							 		system("cls");
							 		findNO();
								 }break;
								 case 3:
								 {
								 	system("cls");
								 	findCLASS();
								  } break;
								  case 4:
								  	{
								  		system("cls");
								  		findNAME();
									  }break;
									  case 5:
									  	{system("cls");
									  	money();
										  }break;
										  case 6:
										  {
										  	system("cls");
										  	add_student();
										  }break;
										  case 7:
										  	{
										  		system("cls");
										  		del_student();
											  }break;
											  case 8:
											  	{
											  		system("cls");
											  		addfile();
												  }break;
												  case 9:
												  	{
												  		return 0;
													  }
								
										  
						
					 }			 			
			   }
		system("pause")	;
			return 0;	
		}			
				void insert()
					 {		
					 	printf("please type stu NO:\n");
					 	scanf("%s",&stu[i].NO);
					 	printf("please type stu CLASS:\n");
					 	scanf("%s",&stu[i].CLASS);
					 	printf("please type stu NAME:\n");
					 	scanf("%s",&stu[i].NAME);
					 	printf("please type begin time:\n");
					 	scanf("%d:%d",&stu[i].begin.hour,&stu[i].begin.min);
					 	i=i+1;
					 /*	FILE *fp;
	 	 int j;
		fp=fopen("jifang.txt","wb");
		for(j=0;j<i-1;j++)
		fwrite(&stu[j], sizeof(struct STUDENT),1,fp);
		fclose(fp);*/
					 	system("pause");
					 	system("cls");
					 }