C语言如何实现自动存取款机模拟系统

2023-06-30 16:06:27 180人浏览八月长安
摘要
这篇文章主要讲解了“C语言如何实现自动存取款机模拟系统”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“C语言如何实现自动存取款机模拟系统”吧！#include<stdio.h>#i
这篇文章主要讲解了“C语言如何实现自动存取款机模拟系统”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“C语言如何实现自动存取款机模拟系统”吧！
C语言如何实现自动存取款机模拟系统
#include<stdio.h>#include<string.h>#include<stdlib.h>#include<coNIO.h>#include<windows.h>#include<time.h> #define N sizeof(struct Account)#define M sizeof(struct Money)struct Account       //账户信息 {    char name[10];       //账号昵称     char passWord[18];       //密码     struct Account *next;   //指针域 };typedef struct Account Acc;typedef Acc *Accp; struct Money     //钱 {    float money;    char time[10];//时间    char date[10];//日期     struct Money *next;};typedef struct Money mon;typedef mon *monp; //函数声明区 void HideCursor();          //隐藏光标void toxy(int x, int y);    //将光标移动到X,Y坐标处void color(short x);     //设置颜色void menu();               //菜单 Accp ff();                 //将文件中的内容读出  void signin();               //登陆或注册 void login();                 // 注册账号 void loGon();                  // 账号登陆   void amend_password();      //修改密码void add_money();     //存款 void find_money();   //查询 void get_money();    //取款void transfer_money();   //转账void save_account(Accp p);  //将p所指向的内容存入文件中void save_money(monp p);     //将p所指向的内容存入文件中 float Sum();          //求余额 void over();                  //退出系统  void list();   //账单明细 monp ss();  char _name[20],_password[18];       //全局变量记住当前登陆账户  void color(short x){    if(x>=0&&x<=15)    {        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),x);    }    else    {        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),x);    }}  void HideCursor()     //隐藏光标{ CONSOLE_CURSOR_INFO cursor_info = {1, 0};  SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);} void toxy(int x, int y)      //将光标移动到X,Y坐标处{COORD pos = { x , y };HANDLE Out = GetStdHandle(STD_OUTPUT_HANDLE);SetConsoleCursorPosition(Out, pos); } Accp ff()               //将存账号的文件里的内容输出到链表中{    FILE *fp;       //文件指针     int n=0;    Accp head=NULL;    Accp p2,p;    fp=fopen("account","a+");     //以只读的方式打开文件     if(fp==NULL)    {        printf("cannot open file\n");    }    else    {        while(!feof(fp))        //判断文件位置标志是否移动到文件末尾         {           n++;               p=(Accp)malloc(N); //向内存申请一段空间            fread(p,N,1,fp);     //将fp所指向的文件中的内容赋给p            if(n==1)           {              head=p;              p2=p;            }            else             //创建链表             {                p2->next=p;                p2=p;            }        }        p2->next=NULL;    }    fclose(fp);    //关闭文件     return head;   //返回头指针 } void menu()     //菜单 {    system("cls");    //清屏      do{        color(14);     //看着舒服的颜色        char t;        toxy(50,5);        printf(" 自动存取款机模拟系统");        toxy(50,6);        printf("当前账户为：%s",_name);        toxy(48,8);        printf("|     1.取款          |");        toxy(48,10);        printf("|     2.转账          |");        toxy(48,12);        printf("|     3.余额          |");        toxy(48,14);        printf("|     4.明细          |");        toxy(48,16);        printf("|     5.存款          |");        toxy(48,18);        printf("|     6.修改密码      |");         toxy(48,20);        printf("|     7.退出系统      |");        t=getch();                    //利用不回显函数，输入t，可以不用手动按回车键         switch(t)        {            case '1':get_money();break;             case '2':transfer_money();break;            case '3':find_money();break;            case '4':list();break;             case '5':add_money();break;            case '6':amend_password();break;            case '7':over();break;            default :;break;        }    }while(1);       //永远为真 } void signin()       //登陆或注册 {    system("cls");    color(12);     HideCursor();    //隐藏光标    char t;    toxy(50,5);    printf("自动存取款机模拟系统");    toxy(44,8);    printf("----------------------------");    toxy(45,10);    printf("请输入（1：登陆；2：注册.)");    toxy(44,12);    printf("----------------------------");    while(1)    {        t=getch();        switch(t)        {            case '1':logon();break;            case '2':login();break;            default :break;        }    }} void logon()      // 账号登陆 {     system("cls");   //清屏     color(10);     //设置颜色     Accp p,head;        head=ff();    //调用函数 ，返回值为头结点的指针     do{        p=head;        char t,c,k;        int i=0;;        toxy(50,5);        printf("自动存取款机模拟系统");        toxy(45,6);        printf("***************************");        toxy(45,8);        printf("     登陆状态       ");        toxy(45,10);        printf("*  请输入您的账号：");        gets(_name);        toxy(45,12);        printf("*  请输入您的密码：");        for(;;)              //此处为输入密码不回显操作         {            k=getch();       //输入k             if(k=='\r')      //如果输入k为回车，则跳出循环             {                break;            }            else if(k=='\b')  //如果输入k为删除键             {                if(i>0)       //如若密码还没完全删除                 {                    printf("\b");                    printf(" ");                    printf("\b");                    i--;                }            }            else              //如果输入的k既不是删除键，也不是回车键             {                _password[i]=k;   //把k的值赋给_password[i];                 printf("*");      //输出*号，保护用户隐私                 i++;              //密码位数加1             }        }        _password[i]='\0';        while(p!=NULL&&strcmp(p->name,_name)!=0)   //遍历链表，寻找当前输入的账户的账号         {            p=p->next;        }        if(p!=NULL)   //如果p不为空         {            if(strcmp(p->password,_password)==0)     //如果输入的密码正确             {                toxy(48,16);                printf("正在登陆....");                Sleep(500);      //暂停0.5秒                system("cls");                color(10);                toxy(48,10);                printf("登陆成功！");                break;    //跳出循环            }            else      //如果输入的密码错误            {                 toxy(48,16);                printf("正在登陆....");                Sleep(500);                system("cls");                color(10);                toxy(46,8);                printf("-------------------------");                toxy(46,9);                printf("|                       |");                toxy(46,10);                printf("| 密码错误！是否继续？  |");                toxy(46,12);                printf("| 1.是             2.否 |");                toxy(46,13);                printf("|                       |");                toxy(46,14);                printf("-------------------------");                while(1)                {                    t=getch();  //输入t                        if(t=='1')                              {                        system("cls");  //清屏                         color(10);                         break;                    }                    else if(t=='2')     //如果输入t为n，进入开始界面                     {                        signin();break;                    }                }            }        }       else              //如果p为空，即输入的账号不正确        {               toxy(48,16);               printf("正在登陆....");               Sleep(500);               system("cls");               color(10);               toxy(46,8);               printf("-------------------------");               toxy(46,9);               printf("|                       |");               toxy(46,10);            printf("|  账号错误！是否继续？ |");            toxy(46,11);            printf("|                       |");            toxy(46,12);            printf("|  1.是            2.否 |");             toxy(46,13);            printf("|                       |");            toxy(46,14);            printf("-------------------------");            while(1)      //死循环防止其他按键干扰             {                c=getch();                if(c=='1')                {                      system("cls");                    color(10);                    break;                }                else if(c=='2')                {                    signin();break;                }            }       }    }while(1);      //永远为真    Sleep(500);      //暂停0.5秒    menu();         //账号密码均正确，进入主菜单 } void login()        //注册账号 {        system("cls");    color(10);     Accp p1;    p1=(Accp)malloc(N);     //向内存申请一段空间     do{        color(10);        char name[20],password[18],againpassword[18],c,k;        int i=0;;         toxy(50,5);        printf("自动存取款机模拟系统");        toxy(45,6);        printf("**************************");        toxy(45,8);        printf("   正在注册");        toxy(45,10);        printf("*  请输入账号：");        gets(name);        toxy(45,12);        printf("*  请输入密码：");        for(;;)              //此处为输入密码不回显操作         {            k=getch();       //输入k             if(k=='\r')      //如果输入k为回车，则跳出循环             {                break;            }            else if(k=='\b')  //如果输入k为删除键             {                if(i>0)       //如若密码还没完全删除                 {                    printf("\b");                    printf(" ");                    printf("\b");                    i--;                }            }            else              //如果输入的k既不是删除键，也不是回车键             {                password[i]=k;   //把k的值赋给_password[i];                 printf("*");      //输出*号，保护用户隐私                 i++;              //密码位数加1             }        }        password[i]='\0';        i=0;        toxy(45,14);        printf("*  请确认您的密码：");        for(;;)              //此处为输入密码不回显操作         {            k=getch();       //输入k             if(k=='\r')      //如果输入k为回车，则跳出循环             {                break;            }            else if(k=='\b')  //如果输入k为删除键             {                if(i>0)       //如若密码还没完全删除                 {                    printf("\b");                    printf(" ");                    printf("\b");                    i--;                }            }            else              //如果输入的k既不是删除键，也不是回车键             {                againpassword[i]=k;   //把k的值赋给_password[i];                 printf("*");      //输出*号，保护用户隐私                 i++;              //密码位数加1             }        }        againpassword[i]='\0';        if(strcmp(password,againpassword)==0)        //如果输入的两次密码均正确         {            strcpy(p1->name,name);            strcpy(p1->password,password);            toxy(48,16);            printf("正在注册....");            Sleep(500);            system("cls");            color(12);            toxy(48,10);            printf("注册成功！");            Sleep(500);         //暂停0.5秒             break;              //跳出循环         }        else    //如果输入的两次密码不同         {            toxy(48,16);            printf("正在注册....");            Sleep(500);            system("cls");            color(12);            toxy(46,8);            printf("-----------------------------");            toxy(46,9);            printf("|                           |");            toxy(46,10);            printf("|  注册失败！是否继续注册？ |");            toxy(46,11);            printf("|                           |");            toxy(46,12);            printf("|  1.是               2.否  |");             toxy(46,13);            printf("|                           |");            toxy(46,14);            printf("-----------------------------");            while(1)            {                c=getch();                if(c=='1')                {                    system("cls");                    color(12);                    break;                }                else if(c=='2')                {                    signin();                    break;                }            }        }    }while(1);    //永远为真     save_account(p1);     //调用函数，将p1所指向的内容存储到文件中     toxy(48,12);    printf("正在自动为您登陆....");    Sleep(500);    menu();    //注册成功后进入主菜单 }   void amend_password()        //修改密码 {     system("cls");         //清屏     color(14);    //看着舒服的颜色     HideCursor();      Accp p,head;       //隐藏光标，看着更舒服     head=ff();    FILE *fp;    do    {        color(14);        HideCursor();       //隐藏光标，看着舒服         p=head;        char password[18],newpassword[18],t,k;        int i=0;        toxy(50,5);          //将光标移动到坐标为（50，5）的位置         printf("自动存取款机模拟系统");        toxy(50,8);        printf("修改密码");        toxy(48,10);        printf("请输入旧密码：");        for(;;)              //此处为输入密码不回显操作         {            k=getch();       //输入k             if(k=='\r')      //如果输入k为回车，则跳出循环             {                break;            }            else if(k=='\b')  //如果输入k为删除键             {                if(i>0)       //如若密码还没完全删除                 {                    printf("\b");                    printf(" ");                    printf("\b");                    i--;                }            }            else              //如果输入的k既不是删除键，也不是回车键             {                password[i]=k;   //把k的值赋给_password[i];                 printf("*");      //输出*号，保护用户隐私                 i++;              //密码位数加1             }        }        password[i]='\0';        i=0;        toxy(48,12);        printf("请输入新密码：");        for(;;)              //此处为输入密码不回显操作         {            k=getch();       //输入k             if(k=='\r')      //如果输入k为回车，则跳出循环             {                break;            }            else if(k=='\b')  //如果输入k为删除键             {                if(i>0)       //如若密码还没完全删除                 {                    printf("\b");                    printf(" ");                    printf("\b");                    i--;                }            }            else              //如果输入的k既不是删除键，也不是回车键             {                newpassword[i]=k;   //把k的值赋给_password[i];                 printf("*");      //输出*号，保护用户隐私                 i++;              //密码位数加1             }        }        newpassword[i]='\0';        while(p!=NULL&&strcmp(p->name,_name)!=0)//遍历链表，寻找当前登陆账户的账号         {            p=p->next;        }        if(p!=NULL)                   //如果p不为空         {            if(strcmp(p->password,password)==0)          //如果旧密码输入正确             {                strcpy(p->password,newpassword);         //将旧密码改为新密码                 break;                                   //跳出循环             }            else                                         //如果旧密码输入错误             {                system("cls");                color(12);                toxy(46,8);                printf("--------------------------");                toxy(46,9);                printf("|                        |");                toxy(46,10);                printf("|  密码错误！是否继续？  |");                toxy(46,11);                printf("|                        |");                toxy(46,12);                printf("|  1.是           2.否   |");                toxy(46,13);                printf("|                        |");                toxy(46,14);                printf("--------------------------");                while(1)                {                    t=getch();                              //输入t                     if(t=='1')                    {                        system("cls");                        color(12);                        break;                    }                    else if(t=='2')                      menu();                }            }        }    }while(1);                                //永远为真     p=head->next;                           //使p指向第二个结点     fp=fopen("account","w");                  //先清空原文件内容再将修改后的信息写入文件     if(fp==NULL)    {        printf("cannot open file\n");    }    if(fwrite(head,N,1,fp)!=1)                 //将head所指向的数据写入fp所指向的文件     {        printf("file write error\n");    }    fclose(fp);                         //关闭文件     fp=fopen("account","a");          // 打开account文件，方式为追加     while(p!=NULL)                    //p不为空就执行循环体     {        if(fwrite(p,N,1,fp)!=1)            //将p所指向的1个大小为N的数据结构写入fp所指向的文件         {        printf("file write error\n");        }        p=p->next;                     //使p指向下一个结点     }    fclose(fp);              //关闭文件     toxy(48,14);    printf("修改成功！正在跳转...");    Sleep(500);       //暂停0.5秒 }  void save_account(Accp p1)     //将p1所指向的内容存储到文件中 {    FILE *fp;       //文件指针     fp=fopen("account","a");    //以追加的方式打开文件     if(fp==NULL)    {        printf("cannot open file\n");    }    if(fwrite(p1,N,1,fp)!=1)    //将p1所指向的1个大小为N的数据结构写入fp所指向的文件中     {        printf("file write error\n");    }    fclose(fp);        //关闭文件 } void add_money()       //存款 {    do    {        system("cls");   //清屏         color(11);        monp p;        char t;         char time[10],date[10];        p=(monp)malloc(M);   //向内存申请一段空间         toxy(48,8);        printf("请输入您需要存入的金额：");        scanf("%f",&p->money);        getchar(); //吸收回车键         _tzset();         _strtime(time);              strcpy(p->time,time);        _strdate(date);        strcpy(p->date,date);           toxy(48,10);        printf("正在操作，请稍后....");        Sleep(500);        save_money(p);        system("cls");        toxy(46,8);        printf("-------------------------");        toxy(46,9);        printf("|                       |");        toxy(46,10);        printf("| 存入成功！是否继续？  |");        toxy(46,12);        printf("| 1.是             2.否 |");        toxy(46,13);        printf("|                       |");        toxy(46,14);        printf("-------------------------");        while(1)        {            t=getch();            if(t=='1')            {                break;            }            else if(t=='2')            {                menu();            }        }    }while(1);} void find_money()     //查询余额 {    system("cls");    color(13);    float sum=0;    sum=Sum();    toxy(46,12);    printf("余额为：%f",sum);    toxy(46,16);    printf("按任意键回到主菜单");    getch();    menu(); } void get_money()      //取款 {    do    {        system("cls");        color(11);        monp p;        float money,sum;        char t;        char time[10],date[10];        toxy(46,12);        printf("请输入您要取的金额：");        scanf("%f",&money);         getchar();//吸收回车键         sum=Sum();        if(money>sum)   //如果要取的金额大于余额         {            toxy(46,14);            printf("余额不足，请重新输入！");            Sleep(500);            continue;    //结束本次循环         }        p=(monp)malloc(M);    //向内存申请一段空间         _tzset();         _strtime(time);              strcpy(p->time,time);        _strdate(date);        strcpy(p->date,date);          p->money=-money;        save_money(p);              toxy(46,14);        printf("正在操作，请稍后....");        Sleep(500);        system("cls");        toxy(46,8);        printf("-------------------------");        toxy(46,9);        printf("|                       |");        toxy(46,10);        printf("| 取款成功！是否继续？  |");        toxy(46,12);        printf("| 1.是             2.否 |");        toxy(46,13);        printf("|                       |");        toxy(46,14);        printf("-------------------------");        while(1)        {            t=getch();            if(t=='1')            {                break;            }            else if(t=='2')            {                menu();break;            }        }    }while(1);    } void list()  //明细 {    system("cls");    color(10);    monp head,p;    int i=10;    head=ss();    p=head;    toxy(50,5);    printf(" 自动存取款机模拟系统");    toxy(54,6);    printf("账单明细");    toxy(30,7);    printf("-------------------------------------------------------------");    toxy(31,8);    printf("金       额              时       间             日      期");    toxy(30,9);    printf("-------------------------------------------------------------");    while(p!=NULL)    {        toxy(30,i);        if(p->money>=0)        {            printf("+%f                %-24s%s",p->money,p->time,p->date);        }        else        {            printf("%f                %-24s%s",p->money,p->time,p->date);        }        p=p->next;        i++;    }    toxy(50,i);    printf("请按任意键返回主菜单");    getch();    menu();} void transfer_money()     //转账 {    do    {        system("cls");        color(10);        FILE *fp1;        monp p,head,p1;        float money,sum=0;        char name[20],t;        char time[10],date[10];        toxy(46,12);        printf("请输入您要转入的账号：");        gets(name);        toxy(46,14);        printf("请输入您要转出的金额：");        scanf("%f",&money);        getchar();   //吸收回车键         sum=Sum();        if(money>sum)   //如果要转出的金额大于余额         {            toxy(46,16);            printf("余额不足！");            Sleep(500);            continue;   //结束本次循环          }         fp1=fopen(name,"rb");    //以只读的方式打开名字为name的二进制文件          if(fp1==NULL)    //如果文件不存在         {            toxy(46,16);            printf("账户不存在！");            fclose(fp1);            Sleep(500);            continue;        }        fp1=fopen(name,"ab");    //以追加的方式打开名字为name的二进制文件          p=(monp)malloc(M);  //向内存申请一段空间         p->money=-money;        _tzset();         _strtime(time);              strcpy(p->time,time);        _strdate(date);        strcpy(p->date,date);          save_money(p);        p1=(monp)malloc(M);        p1->money=money;        strcpy(p1->time,time);        strcpy(p1->date,date);        if(fwrite(p1,M,1,fp1)!=1)    //将p1所指向的一个大小为M的节点 存入fp1所指向的文件中         {            printf("转账失败，请重试！");            continue;        }        fclose(fp1);        toxy(46,18);        printf("正在操作，请稍后....");        Sleep(500);        system("cls");        toxy(46,8);        printf("-------------------------");        toxy(46,9);        printf("|                       |");        toxy(46,10);        printf("| 转账成功！是否继续？  |");        toxy(46,12);        printf("| 1.是             2.否 |");        toxy(46,13);        printf("|                       |");        toxy(46,14);        printf("-------------------------");        while(1)        {            t=getch();            if(t=='1')            {                break;            }            else if(t=='2')            {                menu();             }        }     }while(1);} float Sum(){    monp head=NULL,p;    float sum=0;    head=ss();    p=head;    while(p!=NULL)    {        sum+=p->money;    //求和         p=p->next;    }    if(head==NULL)        sum=0;    return sum;} monp ss()    //求余额 {    FILE *fp;   //文件指针     monp p,head=NULL,p2,pre=NULL;    int n=0;    //float sum=0;    fp=fopen(_name,"ab+");   //以只读的方式打开名字为_name的二进制文件     if(fp==NULL)    {        printf("cannot open file");    }    else    {        while(!feof(fp))  //判断标记是否移动到文件末尾         {            n++;            p=(monp)malloc(M);   //向内存申请一段空间             fread(p,M,1,fp);     //将fp所指向的文件中的一段大小为M的 内容赋给p             if(n==1)            {                head=p;                p2=p;            }            else                //创建链表             {                pre=p2;                p2->next=p;                p2=p;            }            p2->next=NULL;        }    }    fclose(fp);     //关闭文件     if(pre!=NULL)        pre->next=NULL;    return(head);    //返回sum值 } void save_money(monp p)    //将p所指向的内容存入文件中 {    FILE *fp;    //文件指针     fp=fopen(_name,"ab");   //以追加的方式打开名字为_name的二进制文件     if(fp==NULL)    {        printf("cannot open file");    }    if(fwrite(p,M,1,fp)!=1)   //将p所指向的一段大小为M的内容存入fp所指向的文件中     {        printf("write error");    }    fclose(fp);    //关闭文件  } void over()       //退出软件 {    char t;    toxy(48,11);    printf("-----------------------");    toxy(48,12);    printf("|   您确定要退出吗？  |");    toxy(48,14);    printf("| 1.确定     2.取消   |");    toxy(48,15);    printf("-----------------------");    while(1)    {        t=getch();         //输入t        switch(t)        {            case '1':            system("cls");            color(6);            toxy(48,10);            printf("正在安全退出....");            Sleep(1000);     //暂停1秒             system("cls");            color(8);            toxy(48,10);            printf("已安全退出软件");            toxy(48,12);            printf("谢谢使用！");            toxy(48,14);            printf("by-by^_^");            exit(0);  break; //终止程序             case '2':            menu(); break;   //调用函数，进入菜单             default :break;        }    }} main()    //简洁明了的主函数~~~ {    signin();   //调用函数 }