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#include<stdio.h>
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#include<stdlib.h> /*其它说明*/
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#include<string.h> /*字符串函数*/
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#include<Windows.h>
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#define max 100
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#define LEN 15
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#define N 50
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int k = 1, n = 0, m = 0;
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typedef struct student {
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char no[13];//卡号
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char name[10];//姓名
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char sex[8];//性别
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int balance;//余额
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char passwd[20];
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} student, stu[max];
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void fileWrite(int n, stu s);
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void modify() {
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int j = 0;
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FILE * fp;
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if ((fp = fopen("a.txt", "r")) == NULL) return;
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stu s;
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while (fscanf(fp, "%s %s %s %s %d ", &s[j].no, &s[j].name, &s[j].sex[j],&s[j].passwd, &s[j].balance) == 5) {
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j++;
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}
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n = j;
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int i, item, num;
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int age;
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char sex1[8], s1[LEN + 1], s2[LEN + 1],passwd1[20],age1[10];
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float score1;
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printf("请输入要修改的用户的卡号:\n");
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scanf("%s", s1);
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for (i = 0; i<n; i++) {
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if (strcmp(s[i].no, s1) == 0) { /*比较字符串是否相等*/
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num = i;
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printf("------------------\n");
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printf("1.修改姓名\n");
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printf("2.修改性别\n");
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printf("3.修改密码\n");
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printf("4.退出本菜单\n");
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printf("------------------\n");
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while (1) {
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printf("请选择子菜单编号:");
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scanf("%d", &item);
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switch (item) {
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case 1:
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printf("请输入新的姓名:\n");
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scanf("%s", s2);
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strcpy(s[num].name, s2);
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fileWrite(n, s);
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break;
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case 2:
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printf("请输入新的性别:\n");
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scanf("%s", &sex1);
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strcpy(s[num].sex, sex1);
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fileWrite(n, s);
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break;
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case 3:
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printf("请输入新的密码:\n");
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scanf("%s", &passwd1);
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strcpy(s[num].passwd, passwd1);
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fileWrite(n, s);
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break;
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case 4:
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return;
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default:
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printf("请在1-4之间选择\n");
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}
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}
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}
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else {
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printf("没有该卡号!!!\n");
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}
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}
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system("pause");
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}
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void insert() {
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int i, a, b;
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printf("请输入待增加的用户数:\n");
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scanf("%d", &n);
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FILE * fp;
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if ((fp = fopen("a.txt", "at")) == NULL) return;
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stu s;
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for (i = 0; i<n; i++) {
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printf("\n请输入第%d个用户的卡号：", i + 1);
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scanf("\n%s", &s[i].no);
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printf("\n请输入第%d个用户的姓名：", i + 1);
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scanf("%s", &s[i].name);
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printf("\n请输入第%d 个用户的性别：", i + 1);
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scanf("%s", &s[i].sex);
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printf("\n请输入第%d 个用户的密码：", i + 1);
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scanf("%s", &s[i].passwd);
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//写入文件
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fprintf(fp, "%s %s %s %s %d \n", s[i].no, s[i].name, s[i].sex,s[i].passwd, s[i].balance = 0);
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}
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printf("添加成功!!!\n");
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fclose(fp);
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system("pause");
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}
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void del() {
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int j = 0;
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FILE * fp, *fp1;
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if ((fp = fopen("a.txt", "r")) == NULL) return;
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stu s;
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while (fscanf(fp, "%s %s %s %s %d ", &s[j].no, &s[j].name, &s[j].sex[j],&s[j].passwd, &s[j].balance) == 5) {
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j++;
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}
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n = j;
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int i, flag = 0;
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char s1[LEN + 1];
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printf("请输入要删除用户的卡号:\n");
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scanf("%s", s1);
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for (i = 0; i<n; i++) {
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if (strcmp(s[i].no, s1) == 0) {
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flag = 1;
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for (j = i; j<n - 1; j++) {
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strcpy(s[j].no, s[j + 1].no);
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strcpy(s[j].name, s[j + 1].name);
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s[j].balance = s[j + 1].balance;
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strcpy(s[j].sex, s[j + 1].sex);
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strcpy(s[j].passwd, s[j + 1].passwd);
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}
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}
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}
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if (flag == 0)
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printf("该卡号不存在！\n");
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if (flag == 1) {
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n--;
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fileWrite(n, s);
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fclose(fp);
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printf("删除成功,显示结果请选择菜单\n");
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}
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system("pause");
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}
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void seek() {
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int j = 0,flag=0;
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FILE * fp;
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if ((fp = fopen("a.txt", "r")) == NULL) return;
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stu s;
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while (fscanf(fp, "%s %s %s %s %d", &s[j].no, &s[j].name, &s[j].sex[j], &s[j].passwd, &s[j].balance) == 5) {
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j++;
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}
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n = j;
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int i = 0, item;
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char s1[13], s2[20];
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lable1:
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printf("请输入卡号：\n");
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scanf("%s", &s1);
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for (i = 0; i < n; i++) {
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if (strcmp(s[i].no, s1) == 0) {
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printf("请输入密码：\n");
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scanf("%s", &s2);
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if (strcmp(s[i].passwd, s2) == 0) {
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printf("您查询的账户信息如下\n");
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printf("卡号：%s\n", s[i].no);
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printf("姓名：%s\n", s[i].name);
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printf("性别：%s\n", s[i].sex);
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printf("余额：%d\n", s[i].balance);
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flag = 2;
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break;
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}
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else {
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printf("您输入的密码错误，请重新输入\n");
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goto lable1;
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}
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}
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}
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if (flag != 2) {
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printf("您输入的用户名不存在，请重新输入\n");
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goto lable1;
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}
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fclose(fp);
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system("pause");
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}
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void fileWrite(int n, stu s) {
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FILE *fp1;
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int i;
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if ((fp1 = fopen("a.txt", "w")) == NULL) return;
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for (i = 0; i<n; i++) {
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fprintf(fp1, "%s %s %s %s %d ", s[i].no, s[i].name, s[i].sex,s[i].passwd, s[i].balance);
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}
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fclose(fp1);
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printf("保存成功!!!\n");
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}
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/* 界面*/
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void menu() {
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int num;
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printf("------------------------------------------------------\n");
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printf("------------------------------------------------------\n");
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printf("-------------------银行管理系统-----------------------\n");
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printf("------------------------------------------------------\n");
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printf("------------------------------------------------------\n");
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Sleep(3000);
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system("CLS");
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printf("------------------------------------------------------\n");
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printf("----------------------请选择功能----------------------\n");
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printf("-------------------1.查询 2.存款--------------------\n");
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printf("-------------------3.取款 4.开户--------------------\n");
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printf("-------------------5.销户 6.账户信息修改------------\n");
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printf("-----------------------0.退出-------------------------\n");
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printf("请选择菜单编号:");
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scanf("%d", &num);
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switch (num) {
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case 0:
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exit(0);
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break;
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case 1:
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seek();
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break;
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case 2:
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break;
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case 3:
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break;
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case 4:
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insert();
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break;
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case 5:
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del();
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break;
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case 6:
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modify();
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break;
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default:
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printf("请在0-6之间选择\n");
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}
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}
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int main() {
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while (k) {
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system("cls");
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menu();
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}
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system("pause");
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return 0;
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}
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