C语言实现ATM机功能.zip

// // main.m // ATM程序 // // Created by 钟纪旺 on 16/3/1. // Copyright © 2016年 钟纪旺. All rights reserved. // #include <stdio.h> #include <stdlib.h> //函数调用声明区 void window(); void operFunc(int oper); void getMoney(); void outmoney(); void givemoney(); void changerMoney(); void changePassword(); void zhuanzhang(); void chaxun(); //全局变量声明区 //int sysPassword=999999; int Money=10000; int liu=8000; void sMoney(){ int Money=10000; FILE * fp = fopen("/Users/zhongjiwang/Desktop/Money.txt", "r"); if (!fp) { printf("余额文件加载失败......\n"); exit(0); } fscanf(fp, "%d", &Money); fclose(fp); } void gMoney(){ int onePsd=0; FILE * fp = fopen("/Users/zhongjiwang/Desktop/Money.txt", "w"); if (!fp) { printf("余额文件加载失败......\n"); exit(0); } int i = fprintf(fp, "%d", onePsd); if (!i) { printf("余额写入失败！\n"); exit(0); }else{ printf("余额写入成功!\n"); fclose(fp); } } //验证密码 欢迎界面 void checkPassword(){ //从文件中获取原始密码 int sysPassword2 = 0; FILE * fp = fopen("/Users/zhongjiwang/Desktop/sysPassword.txt", "r"); if (!fp) { printf("密码文件加载失败......\n"); exit(0); } fscanf(fp, "%d", &sysPassword2); //printf("sysPassword2 = %d\n", sysPassword2) ; if (!sysPassword2) { int onePsd = 0, onePsdt = 0; printf("第一次登录，请设置原始密码：\n"); loop:printf("请输入原始密码："); scanf("%d", &onePsd); printf("再输入原始密码："); scanf("%d", &onePsdt); if(onePsdt != onePsd) { printf("两次新密码设置不一样，请重新输入!\n"); goto loop; }else{ FILE * fp = fopen("/Users/zhongjiwang/Desktop/sysPassword.txt", "w"); if (!fp) { printf("密码文件加载失败......\n"); exit(0); } int i = fprintf(fp, "%d", onePsd); if (!i) { printf("密码写入失败！\n"); exit(0); }else{ printf("密码写入成功!请重新登录\n"); fclose(fp); checkPassword(); } } }else{ fclose(fp); } //定义输入的密码变量名 int inPassword=0; int times=0;//控制输入的次数 printf("---欢迎使用ATM机---\n"); printf("请输入银行卡六位数密码：\n"); scanf("%d",&inPassword); while(inPassword>999999||100000>inPassword) { printf("您输入的密码有误！请重新输入：\n"); printf("请输入银行卡六位数密码：\n"); scanf("%d",&inPassword); } times++; while (inPassword!=sysPassword2){ //判断是不是第三次输入错误，如果错误直接退出程序 if(times==3){ printf("密码连续三次输入错误,您的卡已被冻结!\n"); printf("请到银行办理激活手续!"); exit(0); } //提示密码错误请重新输入 printf("密码第%d次错误,还有%d次机会\n",times,3-times); printf("请输入银行卡密码:\n"); scanf("%d",&inPassword); times++; } printf("恭喜您输入的密码正确！\n"); window(); } // 主界面函数 void window (){ int oper=0; printf("欢迎进入ATM取款机\n"); printf("----------------\n"); printf("1-取款 2-存款\n"); printf("3-转账 4-改密\n"); printf("5-查询 6-退卡\n"); printf("----------------\n"); printf("请输入操作指令1-6:\n"); scanf("%d",&oper); while(oper>6||oper<1){ printf("输入错误!请重新输入:\n"); printf("请输入操作指令1-6:\n"); } operFunc(oper); } //指令处理函数 void operFunc(int oper){ switch (oper) { case 1: //取款功能 printf("取款进行中....请稍后....\n"); getMoney(); break; case 2: //存款功能 printf("存款进行中....请稍后....\n"); givemoney(); break; case 3: //转账功能 printf("转账进行中....请稍后....\n"); zhuanzhang(); break; case 4: //改密功能 printf("改密进行中....请稍后....\n"); changePassword(); break; case 5: //查询功能 printf("查询进行中....请稍后....\n"); chaxun(); break; case 6: //退卡功能 printf("退卡进行中....请稍后....\n"); printf("卡已退回,请取卡"); exit(0); break; } } // 取款功能 void getMoney(){ int money=0; int oper1=0; int oper2=0; printf("请选择取款金额\n"); printf("1-100 2-200 \n"); printf("3-500 4-1000 \n"); printf("5-5000 6-手动输入\n"); printf("7-退卡 8-返回主页面\n"); scanf("%d",&oper1); if (Money==0){ printf("卡上余额为0，以自动返回主页面\n"); window(); } else if(oper1==1){ int money=100; outmoney(money); } else if(oper1==2){ int money=200; outmoney(money); } else if(oper1==3){ int money=500; outmoney(money); } else if(oper1==4){ int money=1000; outmoney(money); } else if(oper1==5){ int money=5000; outmoney(money); } else if(oper1==6){ printf("请输入您要取款的金额:"); scanf("%d",&money); while (money%100!=0||money==0) { printf("输入有误!请重新输入:"); scanf("%d",&money); } while (money>Money) { printf("余额不足"); printf("已自动重新进入选择界面\n"); getMoney(); } Money=Money-money; printf("以取钱%d元余额%d元.\n",money,Money); } else if(oper1==7){ printf("卡已退回,请取卡"); exit(0); } else if(oper1==8){ window(); } printf("请继续选择服务项目\n"); printf("1-继续取款\n"); printf("2-返回主页面\n"); printf("3-退卡\n"); scanf("%d",&oper2); while(oper2>3||oper2<1){ printf("输入错误!请重新输入:\n"); printf("请输入操作指令1-3:\n"); scanf("%d",&oper2); } if(oper2==1) { getMoney(); } if(oper2==2) { window(); } if(oper2==3) { printf("卡已退回,请取卡"); exit(0); } } //取款 void outmoney(int money){ while (money>Money) { printf("余额不足,请重新输入"); printf("已自动重新进入选择界面\n"); getMoney(); } Money=Money-money; printf("以取钱%d元余额%d元:",money,Money); } //存款 void givemoney(){ int money=0; int oper=0; printf("请输入存款金额\n"); scanf("%d",&money); while (money%100!=0) { printf("输入有误!请重新输入"); scanf("%d",&money); } printf("恭喜您!存款成功"); Money=Money+money; printf("您的账户已存款%d元!余额%d元!\n",money,Money); printf("请继续选择操作\n"); printf("1-继续存款 2-返回主页面\n"); printf("3-退卡\n"); scanf("%d",&oper); while(oper>3||oper<1){ printf("输入错误!请重新输入:\n"); printf("请输入操作指令1-3:\n"); scanf("%d",&oper); } if(oper==1) givemoney(); if(oper==2) window(); if (oper==3) { exit(0); } } //改密 void changePassword(){ i