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#include<stdio.h>
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#include<stdlib.h>
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#include<string.h>
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#include<conio.h>
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#define BUFFERSIZE 1024
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#define MAXACCOUNT 1000
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#define ADMINISTRATIOR 123456
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typedef struct bankaccount//定义账户格式
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{
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int account;
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int key;
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char name[32];
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float balance;
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}BANKACCOUNT;
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BANKACCOUNT accountcollection[MAXACCOUNT];
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int cur_account = 0;
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void insert_account(FILE *fp, int accountnum)//新建账户
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{
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BANKACCOUNT newaccount;
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newaccount.account = accountnum;
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int subkey;
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printf("请输入账号信息\n");
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printf(">>您的账号为:");
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printf("%d\n", accountnum);
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printf(">>请您输入密码:");
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scanf("%d",&(newaccount.key));
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system("cls");
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printf("请您再次输入刚才的密码：\n");
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do{
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scanf("%d", &subkey);
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getchar();
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if (subkey == newaccount.key)
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break;
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else
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printf("两次的密码不一样！\n请再次输入第一次的密码或输入0退出注册\n");
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}while (subkey != 0);
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if (subkey != 0)
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{
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printf("密码设置成功！\n 请您完善个人信息\n");
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printf(">>姓名:");
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scanf("%s",newaccount.name);
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printf(">>请您输入初始余额:");
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scanf("%f",&(newaccount.balance));
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fseek(fp,0L,SEEK_END);
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fprintf(fp,"%d %d %s %.2f\n",newaccount.account,newaccount.key,newaccount.name,newaccount.balance);
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printf("账户创建成功！\n");
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}
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else
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printf("创建失败！");
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}
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void store_account(FILE*fp)
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{
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int i = 0;
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for(i = 0;i<cur_account-1;i++)
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fprintf(fp,"%d %d %s %.2f\n",
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accountcollection[i].account,accountcollection[i].key,accountcollection[i].name,accountcollection[i].balance);
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}
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void get_account(FILE *fp)//查询账号信息
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{
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int accountnum;
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int key;
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char name[32];
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float balance;
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int i =0,j;
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char buffer[BUFFERSIZE];
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int len;
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cur_account = 0;
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fseek(fp,0,SEEK_SET);
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while(!feof(fp)) // 因为feof()最后会读2遍，所以最后curAccount多加了1
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{
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fscanf(fp,"%d %d %s %f",&accountnum,&key,name,&balance);
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accountcollection[cur_account].account = accountnum;
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accountcollection[cur_account].key = key;
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strcpy(accountcollection[cur_account].name ,name);
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accountcollection[cur_account].balance = balance;
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cur_account++;
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}
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}
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void list_account(FILE *fp)
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{
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int i =0;
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printf("合计%d个账号:\n",cur_account-1);// cur_account减去多加的1
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for(i = 0;i< cur_account-1;i++)
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{
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printf("账户：%d:\n",i+1);
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printf("账号:%d\n",accountcollection[i].account);
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printf("姓名:%s\n",accountcollection[i].name);
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printf("余额:%.2f\n",accountcollection[i].balance);
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}
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}
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int search_key(FILE *fp,int key,int i)
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{
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if (accountcollection[i].key == key)
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return 1;
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else
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return 0;
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}
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int search_account(FILE *fp,int accountnum,int flag)
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{
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int i =0;
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for(i = 0;i< cur_account-1;i++)
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{
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if(accountcollection[i].account == accountnum)
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{
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if(flag == 1)
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{
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printf("账户：%d:\n",i+1);
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printf("账号:%d\n",accountcollection[i].account);
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printf("姓名:%s\n",accountcollection[i].name);
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printf("余额:%.2f\n",accountcollection[i].balance);
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}
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return i + 1;
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}
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}
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return 0;
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}
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void del_account(FILE *fp,int accountnum)
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{
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int i, key;
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if(search_account(fp,accountnum,1)==0)
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printf("无法找到此账户！\n");
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else
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{
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i = search_account(fp,accountnum,0) - 1;
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printf("请输入密码\n");
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scanf("%d",&key);
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while (!search_key(fp, key, i) && key != 0)
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{
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system("cls");
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printf("您输入的密码有误!\n请重新输入或输入0放弃删除\n");
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scanf("%d", &key);
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}
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system("cls");
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if (key)
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{
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for(i = 0;i<cur_account-1;i++)
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if(accountcollection[i].account != accountnum)
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fprintf(fp,"%d %d %s %.2f\n",
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accountcollection[i].account,accountcollection[i].key,accountcollection[i].name,accountcollection[i].balance);
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printf("注销成功!\n");
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}
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else
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printf("注销失败!\n");
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}
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}
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int main(void)
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{
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FILE *fp;
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int accountnum;
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int i;
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float withdraw, store;
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do
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{
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system("cls"); //清屏
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puts("********************************************");
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puts("可选操作: ");
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puts("1 : 创建新账户 ");
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puts("2 : 管理员权限 ");
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puts("3 : 查询账户 ");
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puts("4 : 注销账户 ");
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puts("5 : 存取款 ");
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puts("6 : 结束使用 ");
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puts("********************************************");
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printf("请选择功能:");
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scanf("%d",&i);
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system("cls"); //清屏
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if (i < 7 && i > 0)
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{
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switch(i)
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{
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case 1:
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if(!(fp = fopen("account.txt","a+")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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printf("请您输入初始账户：\n");
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scanf("%d", &accountnum);
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while (search_account(fp,accountnum,0) && accountnum != 0)
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{
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printf("该账户号已被占用！\n您可以继续输入账户号或连续输入两次0结束创建。\n");
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scanf("%d\n", &accountnum);
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}
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if(accountnum != 0)
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insert_account(fp, accountnum);
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else
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printf("创建失败！\n");
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printf("点击回车返回主菜单!\n感谢您的使用!");
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getch();
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fclose(fp);
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break;
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case 2:
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if(!(fp = fopen("account.txt","r")))
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{
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printf("该系统暂无用户信息！\n");
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exit(0);
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}
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printf("请输入管理员密码:\n");
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long int n;
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scanf("%ld", &n);
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while (n != ADMINISTRATIOR)
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{
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printf("请输入正确的密码或输入0返回上一层:\n");
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scanf("%ld", &n);
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if (n == 0)
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break;
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}
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if (n != 0)
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{
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get_account(fp);
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list_account(fp);
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fclose(fp);
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printf("点击回车结束本次操作!\n感谢您的使用!\n");
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getch();
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}
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break;
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case 3:
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printf("请输入账号:\n");
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scanf("%d",&accountnum);
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if(!(fp = fopen("account.txt","r")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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get_account(fp);
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if(!search_account(fp,accountnum,1))
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printf("此账户不存在：%d\n",accountnum);
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fclose(fp);
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printf("点击回车结束本次操作!\n感谢您的使用!");
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getch();
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break;
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case 4:
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printf("请输入账号:\n");
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scanf("%d",&accountnum);
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if(!(fp = fopen("account.txt","r")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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get_account(fp);
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fclose(fp);
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if(!(fp = fopen("account.txt","w+")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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del_account(fp,accountnum);
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fclose(fp);
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printf("点击回车结束本次操作!\n感谢您的使用!");
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getch();
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break;
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case 5:
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printf("请输入账号\n");
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scanf("%d",&accountnum);
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if(!(fp = fopen("account.txt","r")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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get_account(fp);
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fclose(fp);
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if(!(fp = fopen("account.txt","w+")))
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{
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printf("打开账户文件失败！\n");
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exit(0);
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}
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if(search_account(fp,accountnum,0))
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{
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int i = search_account(fp,accountnum, 0) - 1;
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int key;
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do{
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printf("请输入正确的密码或输入0退出该功能项：");
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scanf("%d", &key);
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system("cls");
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if(search_key(fp, key, i))
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break;
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}while ( key != 0);
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while (key != 0)
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{
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system("cls");
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printf("********************************************\n");
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printf("请输入开头的数字选择您要进行的操作\n");
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printf("0 :退出选择\n");
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printf("1 :取款\n");
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printf("2 :存款\n");
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printf("********************************************\n");
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scanf("%d", &key);
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system("cls");
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if (key >= 0&&key <=2)
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{
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switch(key)
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{
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case 1:
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printf("请您输入您要取出的金额：");
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scanf("%f", &withdraw);
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if(accountcollection[i].balance > withdraw)
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{
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accountcollection[i].balance -= withdraw;
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printf("\n您现在的余额为 %.2f￥\n", accountcollection[i].balance);
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}
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else
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printf("您的余额不足\n");
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printf("点击回车继续操作\n");
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getch();
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break;
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case 2:
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printf("请您输入您要存入的金额：");
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scanf("%f", &store);
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accountcollection[i].balance += store;
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printf("\n您现在的余额为 %.2f￥\n", accountcollection[i].balance);
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printf("点击回车继续操作\n");
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getch();
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break;
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default :
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printf("感谢使用\n");
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break;
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}
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}
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else
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{
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printf("无效指令，请输入1 —2中的任意一个整数.\n");
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printf("点击回车继续操作\n");
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getch();
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}
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}
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}
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else
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printf("账户不存在\n");
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|
|
store_account(fp);
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fclose(fp);
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printf("点击回车继续操作\n");
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|
|
getch();
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|
|
break;
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default:
|
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|
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printf("感谢您的使用！\n");
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|
|
break;
|
|
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|
|
}
|
|
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|
|
}
|
|
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|
|
else
|
|
|
|
|
{
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|
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|
|
printf("无效指令，请输入1 —6中的任意一个整数.\n");
|
|
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|
|
printf("点击回车继续操作\n");
|
|
|
|
|
getch();
|
|
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|
|
}
|
|
|
|
|
|
|
|
|
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}while(i != 6);
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|
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return 0;
|
|
|
|
|
}
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Von L‘Hospital
6 years ago