account1

这是一个银行账户的管理程序

#include "function.h"

const int length=41;
void main()
{
	
	while(1)
	{
		
		FILE * c=fopen("interest.txt","r+");
		int adaccount;
		int adpassword;
		double interestForFix;
		double interestForUnfix;
		int currentmonth;
		fscanf(c,"%d",&adaccount);
		fscanf(c,"%d",&adpassword);
		fscanf(c,"%lf",&interestForFix);
		fscanf(c,"%lf",&interestForUnfix);
		fscanf(c,"%d",&currentmonth);

		fclose(c);

		
		Item administrater;
		printf("please enter your account and password:\n");
		int account;
		scanf("%d", &account);
		int password;
		scanf("%d", &password);
		
		if(account!=adaccount||password!=adpassword)
		{
			printf("not the administater...exit...\n");
			exit(1);//退出也可以
		}
		else
		{
			while(1)
			{
				printf("loading the data...\n");
                //*******index***********//
				FILE* b=fopen("index.txt","r");
				Item temp;
				Index temp1;
				int i;
				if(!b)
				{
					FILE* a=fopen("database.txt","r+");
					FILE* b=fopen("index.txt","w+");
					fseek(a,0,SEEK_END);
					int pos=ftell(a);
					
					
					for(i=0;length*i<pos;i++)
					{
						temp.Fin(i,a);
						fprintf(b,"%d %d\n", temp.account, i);
					}
					fflush(b);
					fclose(a);
					fclose(b);
					//***********avl*****************//
				}

				avlTree bankTree;

				{
					FILE* d=fopen("index.txt","r+");
					for(;!feof(d);)
					{
						int acc,pos;
						fscanf(d, "%d %d", &acc, &pos);
						temp1.pos=pos;
						temp1.account=acc;
						bankTree.add(temp1);
					}
					fclose(d);
				}

				
			//打开文件留在整体使用
			FILE * infile=fopen("database.txt","r+");
			while(1)
			{
				printf("*************welcome**********\n");
				printf("please enter your account:\n");
				int userAccount;
				scanf("%d",&userAccount); 
				printf("please enter your password:\n");
				
				int userPW;
				scanf("%d",&userPW);


				if(userAccount!=0)
				{
					Index tmp;
					tmp.account=userAccount;
					avlNode * find=bankTree.findValue(tmp);//avl成员函数,修改   


					if(!find)
					{
						printf("could not find this account\n");
						continue;
					}
					else
					{
						Item user;
						
						
						findUser(infile,find,user);
						bool pw=checkpass(user,userPW);
						if(!pw)
						{
							printf("wrong password\n");
							continue;
						}
						else
						{
							

							printf("please choose the service:\n");
							printf("1.getmoney\n");
							printf("2.savemoney\n");
							printf("3.check your account\n");
							printf("4.change the password\n");
							printf("5.exit\n");
							bool oper;
							char op[100];
							scanf("%s",op);
							while(1)
							{
								if(op[0]=='1')
								{
									oper=getMoney(user, interestForFix, interestForUnfix, currentmonth);//取钱
									if(oper)
									{
										printf("please receive your money\n");
									}
									else
										printf("fail to get money...\n");
								}
								else if(op[0]=='2')
								{
									oper=saveMoney(user, interestForFix, interestForUnfix, currentmonth);//存钱
									if(oper)
									{
										printf("your money has been added into your account\n");
									}
									else
										printf("fail to save money...\n");
								}
								else if(op[0]=='3')
								{
									Check(user,currentmonth);//查看信息
							
								}
								else if(op[0]=='4')
								{
									oper=changePW(user);//修改密码
									if(oper)
									{
										printf("your password has been changed , please remember...\n");
									}
									else
										printf("fail to change the password\n");
								}
								else if(op[0]=='5')
								{
									store(infile,find,user);//存储
									fflush(infile);
									break;
								}
								else
								{
									printf("please choose the right service:\n");
								}
								printf("please choose the service:\n");
								printf("1.getmoney\n");
								printf("2.savemoney\n");
								printf("3.check your account\n");
								printf("4.change the password\n");
								printf("5.exit\n");
								scanf("%s",op);
							}//end while
						}//end else
					}//end else
					continue;
				}//end if

				else//administrater
				{
					printf("please choose your operation:\n");
					printf("1.changeTime\n");
					printf("2.add user\n");
					printf("3.delete user\n");
					printf("4.check user\n");
					printf("5.change the interest\n");
					printf("6.change the pass word\n");
					printf("7. end the operations\n");
					printf("8. leave\n");
					char op[100];
					scanf("%s",op);
					bool oper;
					while(1){
					if(op[0]=='1')
					{
						changeTime(currentmonth);
					}
					else if(op[0]=='2')
					{
						oper=addUser(infile, bankTree, currentmonth);
						if(oper)
						{
							printf("the user has been added into the database\n");
						}
						else
							printf("fail to add the user\n");
					}
					else if (op[0]=='3')
					{
						oper=deleteUser(infile, bankTree);
						if(oper)
						{
							printf("the user has been deleted into the database\n");
						}
						else
							printf("fail to deleted the user\n");
					}
					else if (op[0]=='4')
					{
						int useracc;
						while(1){
							printf("1.display all users\n");
							printf("2.display selected user\n");
							scanf("%s",op);
							char name[100];
							if(op[0]=='1'){
								while(1){
									printf("1.print to screen\n");
									printf("2.print to file\n");
									scanf("%s", op);
									if(op[0]=='1'){
										displayAll(infile, stdout, bankTree.root);
										break;
									}
									else if(op[0]=='2'){
										printf("please input the name of file:\n");
										scanf("%s",name);
										FILE *t=fopen(name,"w+");
										displayAll(infile, t,bankTree.root);
										fclose(t);
										break;
									}
									else
										printf("please choose one of the two\n");
								}
								break;
							}
							else if(op[0]=='2'){
								printf("please input the user's account:\n");
								scanf("%d", &useracc);
								Index tmp;
								tmp.account=useracc;
								avlNode * find=bankTree.findValue(tmp);//avl成员函数,修改  
								Item user;
								findUser(infile,find,user);
								Check(user,currentmonth);
								break;
							}
							else
								printf("select one of the two\n");
						}
					}
					else if (op[0]=='5')
					{
						printf("please enter the new interest of fixed and unfixed:\n");
						scanf("%lf", &interestForFix);
						scanf("%lf", &interestForUnfix);

					}
					else if (op[0]=='6')
					{
						int useracc;
						printf("please input the user's account:\n");
						scanf("%d", &useracc);
						Index tmp;
						tmp.account=useracc;
						avlNode * find=bankTree.findValue(tmp);//avl成员函数,修改  
						Item user;
						
						FILE * infile=fopen("database.txt","r+");
						
						findUser(infile,find,user);
						
						
						while(1){
							printf("please input a new password\n");
							scanf("%d",&user.password);
							if(user.password>=1000000)
								printf("please input a password within 6 digits\n");
							else
								break;
						}
						user.Fout((find->value).pos,infile);
						fflush(infile);
						printf("password change is successful\n");
					}
					else if(op[0]=='7')
					{
						FILE* e=fopen("index.txt","w+");
						ReBuildIndex(e, bankTree.root);//存储一天的信息变化
						fclose(e);
						exit(1);
					}
					else if(op[0]=='8'){
						ChangeInterestTxt(adaccount,adpassword,interestForFix,interestForUnfix,currentmonth);
						break;
					}
					else
					{
						printf("please choose the right service:\n");
					}
					printf("please choose your operation:\n");
					printf("1.changeTime\n");
					printf("2.add user\n");
					printf("3.delete user\n");
					printf("4.check user\n");
					printf("5.change the interest\n");
					printf("6.change the pass word\n");
					printf("7. end the operations\n");
					printf("8. leave\n");
					scanf("%s",op);
					}
				}//end else
			}//end while of interface
		}
	}
}
}