实现效果如图:
代码如下:
#include<stdio.h>#include<string.h>#include<conio.h>#include<stdlib.h>//开户信息typedef struct _Person{char name[20];char account[20];char password[7];float money;}Person;//结点typedef struct _Node{Person P;//客户struct _Node* next;}Node;Node* HeadNode = NULL;//链表头/*----------------函数--------------------*/void Login();void Menu();void Register();void LoginMenu(Node* pNode);void FindAccount(Node* pNode);void DrawMoney(Node* pNode);void Deposit(Node* pNode);void Transfer(Node* pNode);void LoginMenu(Node* pNode);//主菜单void Menu(){printf("\n\t\t\t欢迎进入ATM银行管理系统\n");printf("\t\t 1. 注册\n");printf("\t\t 2. 登录\n");printf("\t\t 3. 系统帮助\n");printf("\t\t 4. 查询账号\n");printf("\t\t 5. 退出\n");}//注册void Register(){Node* NewNode = (Node*)malloc(sizeof(Node));NewNode->next = NULL;NewNode->P.money = 0;printf("请输入您的名字:");scanf("%s", NewNode->P.name);printf("请输入您的密码:");scanf("%s", NewNode->P.password);char Password[7];printf("请再次输入您的密码:");scanf("%s", Password);for (int i = 1; i < 4; i++){if (strcmp(NewNode->P.password, Password) != 0){printf("您输入的密码有误，还有%d次机会.\n", 3 - i);printf("请再次输入您的密码:");scanf("%s", Password);}else{srand((unsigned int)time(NULL));sprintf(NewNode->P.account, "%d%d%d%d%d", rand() % 9000 + 1000, rand() % 9000 + 1000,rand() % 9000 + 1000, rand() % 9000 + 1000, rand() % 900 + 100);//头插法if (HeadNode == NULL){HeadNode = NewNode;}else{NewNode->next = HeadNode;HeadNode = NewNode;}printf("\n\n\n\n\t\t\t\t恭喜你已经成功注册账户，以下是您的账户信息.\n");printf("\t\t\t\t姓名:%s\n", NewNode->P.name);printf("\t\t\t\t账户:%s\n", NewNode->P.account);printf("\t\t\t\t余额:%.2f\n", NewNode->P.money);getch();return 1;}}printf("您的账号已被锁定，请稍后再试.");return 1;}//取款void DrawMoney(Node* pNode){Node* mNode = pNode;float Money = 0;printf("欢迎进入ATM银行管理系统\n");printf("请选择你取款金额\n");printf("100\t\t2000\n");printf("500\t\t5000\n");printf("10000\t\t其他金额\n");scanf("%f", &Money);mNode->P.money = mNode->P.money - Money;return mNode;}//存款void Deposit(Node* pNode){Node* mNode = pNode;float Money = 0;printf("请存取您的金额:");scanf("%f", &Money);mNode->P.money = mNode->P.money + Money;return mNode;}//转账void Transfer(Node* pNode){Node* TNode = HeadNode;char Account[20];printf("请输入转账的号码:");scanf("%s", Account);while (TNode != NULL){if (strcmp(TNode->P.account, Account) != 0){TNode = TNode->next;continue;}else{float Money = 0;printf("请输入您要转账的金额:");printf("100\t\t2000\n");printf("500\t\t5000\n");printf("10000\t\t其他金额\n");scanf("%f", &Money);TNode->P.money = TNode->P.money + Money;pNode->P.money = pNode->P.money - Money;return 1;}}return 1;}//登录菜单void LoginMenu(Node * pNode){while (1){printf("欢迎进入ATM银行管理系统\n");printf("请选择以下服务:\n");printf("1.取款\t\t2.查询\n");printf("3.存款\t\t4.转账\n");printf("5.修改密码\t6.退出\n");char ch = getch();switch (ch){case '1':DrawMoney(pNode);break;case '2':printf("您的账户余额为:%.2f", pNode->P.money);getch();break;case '3':Deposit(pNode);break;case '4':Transfer(pNode);break;case '5':break;case '6':return 0;break;default:break;}system("cls");}}//登录void Login(){system("cls");Node* pNode = HeadNode;char P_account[20];char P_password[7];printf("请输入您的卡号:");scanf("%s", P_account);while (pNode != NULL){if (strcmp(P_account,pNode->P.account) != 0){pNode = pNode->next;continue;}else{for (int i = 1; i < 4; i++){printf("请输入您的密码:");scanf("%s", P_password);if (strcmp(P_password, pNode->P.password) != 0){printf("您输入的密码有误，还有%d次机会.\n", 3 - i);}else{system("cls");LoginMenu(pNode);return 1;}}printf("\n对不起，您输入的密码有误，请重新登录.\n");system("pause");return 1;}}return 1;}//系统帮助信息void Help(){system("cls");printf( "\n\n\n\n\t——————————-----—---——ATM系统帮助----------------------------------------\n""\t1、初始界面：客户插卡前或者退卡后ATM显示的界面，提示客户插卡操作及银行广告.\n""\t2、身份认证：需要客户插入银行卡后输入密码来验证所有权.\n""\t3、吞卡：客服若连续输入密码3次错误后，则将卡吞入ATM内.\n""\t4、账户：账户由银行卡的卡号、密码、银行系统用户信息组成.\n""\t5、业务操作：由查询余额、取款、存款、转账、取卡等事项组成.\n""\t6、查询余额：显示该账户中剩余金额.\n""\t7、取款：根据客户输入的金额从账户中扣除相应的金额，客户可以提取相应数额的现金.\n""\t8、存款：客户存入现金，账户根据现金数额增加剩余金额.\n""\t9、转账：客户输入另外一个账户号码和金额，从本账户的余额中减去该金额，增加到那个账号中.\n""\t10、打印凭条：凭条由日期，银行卡的卡号，交易流水号组成.\n""\t11、取卡：客户取回银行卡.\n""\t————————————————-------------------------------------------------------\n");getch();return 1;}//查询账号void FindAccount(Node* pNode){Node* FNode = pNode;char AccountName[7];printf("请输入账号姓名:");scanf("%s", AccountName);while (FNode != NULL){if (strcmp(AccountName, FNode->P.name) != 0){FNode = FNode->next;continue;}else{printf("该姓名的账户为:%s", FNode->P.account);return 1;}}printf("抱歉!该姓名未注册账号.");return 1;}int main(){system("color b0");while (1){system("cls");Menu();char ch = _getch();switch (ch){case '1':Register();break;case '2':Login();break;case '3':Help();break;case '4':FindAccount(HeadNode);getch();break;case '5':exit(0);default:break;}}return 0;}
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