C语言银行储蓄系统源码

#include <stdio.h> #include <stdlib.h> #include <conio.h> #include <string.h> void openaccount();//开户 void save();//存款 void withdraw();//取款 void showAccount();//查询 void transferAccounts();//转账 void reportLoss(); //挂失 void cancelLoss(); //解除挂失 void cancelAccount(); //注销账户 void updatePassword();  //更改密码 int load();//登陆账号 int accountnum=0;//定义全局变量，用来计算账户数目 int nowaccount=0;//登录成功是的账户 struct Bank {   char account[20]; //账号   char password[10]; //密码   char name[20];  //用户名   int balance;//账户余额   int state;//状态 };  //结构体 struct Bank banks[100]; int load() {   int right=0,i=0,j;   int r1,r2;   char ch;   char account1[20]= {0};   char password1[10]= {0};   printf("登陆/n请输入账号：/n");   scanf("%s",account1);   printf("请输入密码：/n");   while((ch=getch())!='/r')   {     password1[i++]=ch;     putchar('*');   }   for(j=0; j<accountnum; j++)   {     r1=strcmp(account1,banks[j].account);     r2=strcmp(password1,banks[j].password);     if(r1==0&&r2==0)     {       nowaccount=j;       if(banks[j].state==0)       {         printf("登录成功！/n");//登录成功         right=1;       }       else if(banks[j].state==1)       {         printf("您的账户处于挂失状态,请解挂/n");         right=3;       }       else if(banks[j].state==2)       {         printf("账户已经销户/n");         right=2;       }       break;     }   }    if(right==0)     printf("登陆失败！/n");   return right; } int main() {   int i=0,num;   char a[100];   FILE *fp;   if((fp=fopen("account.txt","r"))==NULL)   {     if((fp=fopen("account.txt","w"))==NULL)     {       printf("失败！/n");       exit(1);     }   }   while(fscanf(fp,"%s%s%s%d%d",banks[i].account,banks[i].name,banks[i].password,&banks[i].balance,&banks[i].state)!=EOF)   {     accountnum++;     i++;   }   fclose(fp);   printf("欢迎来到我的银行/n");   while(1)   {     printf("请选择业务:/n");     printf("1.开户  2.存款  3.取款/n");     printf("4.查询  5.转账  6.挂失/n");     printf("7.解挂  8.销户  9.改密/n");     printf("-1.退出/n");     scanf("%s",a);     num=atoi(a);     if(num==1)       openaccount();//开户     else if(num==2)       save();//存款     else if(num==3)       withdraw();//取款     else if(num==4)       showAccount();//查询     else if(num==5)       transferAccounts();//转账     else if(num==6)       reportLoss(); //挂失     else if(num==7)       cancelLoss(); //解挂     else if(num==8)       cancelAccount(); //注销账户     else if(num==9)       updatePassword();  //更改密码     else if(num==-1)     {       printf("欢迎下次再来/n");       break;     }      else       printf("抱歉，没有此业务/n");   }   if((fp=fopen("account.txt","w"))==NULL)   {     printf("失败！/n");     exit(1);   }   for(i=0; i<accountnum; i++)   {     fprintf(fp,"%s/t%s/t%s/t%d/t%d/n",banks[i].account,banks[i].name,banks[i].password,banks[i].balance,banks[i].state);   }   fclose(fp);   return 0; } void openaccount() {    int i=0,j=0;   int r;   char ch;   char password1[10]= {0};   printf("账户（十位数）：/n");   scanf("%s",banks[accountnum].account);   while(banks[accountnum].account[i]!='/0')     i++;   if(i!=10)   {     printf("输入账号有误/n");     return;   }   i=0;   printf("姓名：/n");   scanf("%s",banks[accountnum].name);   printf("密码：/n");   while((ch=getch())!='/r')   {     banks[accountnum].password[i++]=ch;     putchar('*');   }   printf("/n");   printf("再次输入密码：/n");   while((ch=getch())!='/r')   {     password1[j++]=ch;     putchar('*');   }   printf("/n");   r=strcmp(banks[accountnum].password,password1);   if(r!=0)   {      printf("两次密码不相同，开户失败！/n");     return;   }   banks[accountnum].balance=0;   banks[accountnum].state=0;   accountnum++;   printf("开户成功/n"); } void save() {   if(load()!=1)     return;   char addmoney[10];//存入金额   int money;//将字符型转化为int型   int i=0;   printf("存入金额:/n");   scanf("%s",addmoney);   while(addmoney[i]!='/0')   {     if(addmoney[i]<'0'||addmoney[i]>'9')     {       printf("输入格式错误！/n");       return;     }     i++;   }   while(addmoney[i]!='/0')   {     if(i>9)     {       printf("金额超限/n");       return;     }     i++;   }   money=atoi(addmoney);   if(money==0)   {     printf("存款失败/n");     return;   }   else   {     banks[nowaccount].balance+=money;     printf("存款成功/n");   } } void withdraw() {   if(load()!=1)     return;   char reducemoney[10];//取款金额   int money,i=0;   printf("请输入取款金额/n");   scanf("%s",reducemoney);   while(reducemoney[i]!='/0')   {     if(reducemoney[i]<'0'||reducemoney[i]>'9')     {       printf("输入格式错误！/n");       return;     }     i++;   }   while(reducemoney[i]!='/0')   {     if(i>9)     {       printf("金额超限/n");       return;     }     i++;   }   money=atoi(reducemoney);   if(money==0)   {     printf("取款失败/n");     return;   }   else   {     if(money>banks[nowaccount].balance)       printf("您的账户没有这么多余额,取款失败!/n");     else     {       banks[nowaccount].balance-=money;       printf("取款成功/n");     }   } } void showAccount() {   if(load()!=1&&load()!=2)     return;   printf("您的账户信息如下：/n");   printf("账号：%s/t余额：%d/n",banks[nowaccount].account,banks[nowaccount].balance); } void transferAccounts() {   if(load()!=1)     return;   char account1[20];   int i,judge=0,money,a;   char tramoney[10];   printf("请输入您转入的账户/n");   scanf("%s",account1);   for(i=0; i<accountnum; i++)   {     if(strcmp(account1,banks[i].account)==0)     {       a=i;       judge=1;       break;     }   }   if(judge!=1)    {      printf("没有发现此账户/n");      return;    }   printf("请输入转账金额/n");   scanf("%s",tramoney);   while(tramoney[i]!='/0')   {     if(tramoney[i]<'0'||tramoney[i]>'9')     {       printf("输入格式错误！/n");       return;     }     i++;   }   while(tramoney[i]!='/0')   {     if(i>9)     {       printf("金额超限/n");       return;     }     i++;   }   money=atoi(tramoney);   if(money==0)   {     printf("转账失败/n");     return;   }   else   {     if(money>banks[nowaccount].balance)       printf("您的账户没有这么多余额,转账失败!/n");     else     {       banks[nowaccount].balance-=money;       banks[a].balance+=money;       printf("转账成功/n");     }   }  } void reportLoss() {   if(load()!=1)     return;   banks[nowaccount].state=1;   printf("挂失成功/n"); } void cancelLoss() {   int judge=0;   if(load()==3)   {     printf("立即解挂请按1，退出请按0/n");     scanf("%d",&judge);     if(judge==1)     {       banks[nowaccount].state=0;       printf("解挂成功/n");     }    }   else if(load()==1)     printf("账户正常/n"); } void cancelAccount() {   int r;   r=load();   if(r==2)   {     printf("账户已经销户/n");     return;   }   else if(r==3||r==0)     return;   else if(r==1)   {     printf("请将您的账户余额取完/n");     banks[nowaccount].state=2;     banks[nowaccount].balance=0;     printf("注销成功/n");   } } void updatePassword() {   char newpassword1[10]= {0},newpassword2[10]= {0};   int i=0,j=0,r;   char ch;   if(load()!=1)     return;   printf("请输入新密码/n");   while((ch=getch())!='/r')   {     newpassword1[i++]=ch;     putchar('*');   }   printf("/n");   printf("再次输入密码：/n");   while((ch=getch())!='/r')   {     newpassword2[j++]=ch;     putchar('*');   }   printf("/n");   r=strcmp(newpassword1,newpassword2);   printf("r:%d",r);   if(r!=0)   {      printf("两次密码不相同，改密失败！/n");     return;   }   i=0;   while(newpassword1[i]!='/0')   {     banks[nowaccount].password[i]=newpassword1[i];     i++;   }   printf("改密成功/n"); }