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#include <conio.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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void yonghudlscreen();
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void zhucescreen();
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void zhanghuye();
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void cunkuan();
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void qukuan();
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void zhanghucr();
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void zhanghuxg();
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void zhanghusc();
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void gerendlscreen();
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void mainscreen();
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void saverecords();
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int load();
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struct person
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{
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char number[50],password[50],name[50],num[50];
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}p1;
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int main()
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{
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mainscreen();
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return 0;
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}
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void mainscreen()
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{
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int x;
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while(1)
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{
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printf("********** 银行账户管理系统 **********\n");
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printf("\n\n\n");
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printf("********** 1.用户登录 **********\n");
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printf("********** 2.用户注册 **********\n");
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printf("********** 0.返回系统 **********\n");
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printf("\n\n\n");
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printf("请输入操作（0-2）；");
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scanf("%d",&x);
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if(x==0)
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break;
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switch(x)
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{
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case 1:yonghudlscreen();break;
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case 2:zhucescreen();break;
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}
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}
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return;
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}
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void zhucescreen() //用户注册界面
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{
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FILE *fp;
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int flag=1,x;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","a"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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printf("请输入银行账户:\n");
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scanf("\n%s",p1.number);
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fprintf(fp,"\n%s ",p1.number);
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printf("请输入密码:\n");
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scanf(" %s",p1.password);
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fprintf(fp,"%s ",p1.password);
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printf("请输入姓名:\n");
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scanf(" %s",p1.name);
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fprintf(fp,"%s ",p1.name);
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printf("请输入身份证号:\n");
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scanf(" %s",p1.num);
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fprintf(fp,"%s 0",p1.num);
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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printf("注册成功!\n");
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printf("按1再次注册，按0退出\n\n");
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printf("下步操作: ");
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scanf("%d",&flag);
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}
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return ;
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}
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void yonghudlscreen()
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{
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FILE *fp;
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int flag=1,x;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","rb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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char mima[32];
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printf("请输入银行账户:\n");
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scanf("%s",p1.number);
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printf("请输入密码:\n");
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scanf("%s",mima);
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if(strcmp(mima,p1.password)==0)
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{
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printf("登录成功\n");
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gerendlscreen();
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}
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else
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{
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printf("密码错误\n");
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system("pause");
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}
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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}
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return;
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}
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void gerendlscreen()
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{
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int x;
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while(1)
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{
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printf("********** 功能 **********\n");
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printf("\n\n\n");
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printf("********** 1.查询账户余额 **********\n");
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printf("********** 2.存款 **********\n");
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printf("********** 3.取款 **********\n");
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printf("********** 4.账户插入 **********\n");
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printf("********** 5.账户修改 **********\n");
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printf("********** 6.账户删除 **********\n");
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printf("********** 0.返回系统 **********\n");
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printf("\n\n\n");
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printf("请输入操作（0-6）；");
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scanf("%d",&x);
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switch(x)
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{
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case 0:mainscreen();break;
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case 1:zhanghuye();break;
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case 2:cunkuan();break;
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case 3:qukuan();break;
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case 4:zhanghucr();break;
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case 5:zhanghuxg();break;
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case 6:zhanghusc();break;
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}
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}
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return;
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}
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void zhanghuye()
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{
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FILE *fp;
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struct zhanghu
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{
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int ye;
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}Zh;
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int flag=1,x;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","rb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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fscanf(fp,"%d",&Zh.ye);
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printf("%d\n",Zh.ye);
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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gerendlscreen();
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return ;
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}
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}
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void cunkuan()
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{
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FILE *fp;
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struct zhanghu
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{
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int ye;
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}Zh;
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int flag=1,a,n;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","wb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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printf("请输入存款金额：");
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scanf("%d",&a);
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fscanf(fp,"%d",&Zh.ye);
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Zh.ye=Zh.ye+a;
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fprintf(fp,"%d",Zh.ye);
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printf("%d\n",Zh.ye);
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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gerendlscreen();
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return ;
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}
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}
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void qukuan()
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{
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FILE *fp;
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struct zhanghu
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{
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int ye;
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}Zh;
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int flag=1,a;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","wb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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scanf("%d",&a);
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fscanf(fp,"%d",&Zh.ye);
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if(a>Zh.ye)
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printf("账户余额不足\n");
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else{
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Zh.ye=Zh.ye-a;
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fprintf(fp,"%d",Zh.ye);
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}
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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gerendlscreen();
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return ;
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}
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}
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void zhanghucr()
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{
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FILE *fp;
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int flag=1,x;
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load();
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while(flag==1){
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if((fp=fopen("用户信息.txt","rb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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char mima[32];
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printf("插入新的账户\n");
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printf("请输入银行账户:\n");
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scanf("%s",p1.number);
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printf("请输入密码:\n");
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scanf("%s",mima);
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if(strcmp(mima,p1.password)==0)
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{
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printf("登录成功\n");
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gerendlscreen();
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}
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else
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{
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printf("密码错误\n");
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system("pause");
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}
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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gerendlscreen();
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return;
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}
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}
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void zhanghuxg()
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{
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FILE *fp;
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int flag=1,x;
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load();
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while(flag==1)
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{
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if((fp=fopen("用户信息.txt","wb"))==NULL)
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{
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printf("文件打开错误!\n");
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exit (0);
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}
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printf("请输入银行账户:\n");
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scanf("\n%s",p1.number);
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printf("请输入新密码:\n");
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scanf(" %s",p1.password);
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fprintf(fp,"%s ",p1.password);
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if(fclose(fp))
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{
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printf("文件无法关闭!\n");
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exit (0);
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}
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printf("修改成功!\n");
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printf("按1继续修改，按0退出\n\n");
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printf("下步操作: ");
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scanf("%d",&flag);
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}
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gerendlscreen();
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return;
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}
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void zhanghusc()
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{
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int i,j,n;
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char number[50];
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int k=-1;
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FILE *fp;
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n=load();
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printf("\n\n输入要删除的账户:");
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scanf("%s",&number);
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if((fp=fopen("用户信息.txt","w"))==NULL)
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{
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printf("\n\n打开文件失败\n\n");
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}
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for(j=0;j<n;j++)
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if(strcmp(p1.number,number)==1)
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{
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k=0;
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break;
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}
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if(k==-1)
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{
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printf("该账户不存在！\n");
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}
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for(i=0;i<n;i++) if(i!=j)
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/********删除选项,并自动调整其他所有选项*************/
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fprintf(fp,"%s %s %s %s\n",p1.number,p1.password,p1.name,p1.num);
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fclose(fp);
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return;
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}
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int load()//**********加载函数**********/
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/***********加载所有记录,并且可以返回所有记录的个数********/
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{
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FILE *fp;
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int i;
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if((fp=fopen("用户信息.txt","r"))==NULL)
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{
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printf("\n打开文件失败！\n");
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return 0;
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}
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for(i=0;!feof(fp);i++)
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fscanf(fp,"%s%s%s%s",&p1.number,&p1.password,&p1.name,&p1.num);
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fclose(fp);
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return(i);
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}
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