java控制台银行系统（不需要数据库版本）

package com.zuoye0615; public class DataBase { private Customer[] cus; private Admin[] admins; public DataBase() { this.cus=new Customer[10]; this.admins =new Admin[2]; cus[0]=new Customer("jack","123456",1562,"111"); cus[1]=new Customer("aaa","123456",500,"222"); cus[2]=new Customer("read","123456",0,"333"); cus[3]=new Customer("laownag","123456",0,"444"); cus[4]=new Customer("zhangfei","123456",54045,"555"); admins[0]=new Admin("admin","admin"); admins[1]=new Admin("user","123456"); } //判断管理员登入 public boolean selectAdminByLogin(Admin admin) { for(int i=0;i<admins.length;i++) { if(admins[i]!=null&&admins[i].getAdmin_name().equals(admin.getAdmin_name())&&admins[i].getAdmin_password().equals(admin.getAdmin_password())) { return true; } } return false; } //显示所有的用户 public Customer[]SelsAllCus(){ return cus; } //检查重名 public boolean checkName(String name) { for(int i=1;i<cus.length;i++) { if(cus[i]!=null&&cus[i].getUserName().equals(name)) { return true; } } return false; } //新增用户 public int insertCus(Customer c) { boolean f=checkName(c.getUserName()); if(!f) { for(int i=0;i<cus.length;i++) { if(cus[i]==null) { cus[i]=c; return 1; } } }else { return -1; } return 0; } //删除用户 public String delCusByName(String name) { for (int i = 0; i < cus.length; i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { if (cus[i].getMoney() == 0) { cus[i] = null; return "-----删除成功----"; } else { return "----删除失败，用户有余额----"; } } } return "----用户不存在----"; } //修改密码 public int updateCustomer(Customer c) { int p=0;int t=0; boolean f=false; for(int i=0;i<cus.length;i++) { if(cus[i]!=null&&cus[i].getUserName().equals(c.getUserName())) { if(c.getPassWord()!=null) { cus[i].setPassWord(c.getPassWord()); p=1; } if(c.getTel()!=null) { cus[i].setTel(c.getTel()); t=1; } f=true; break; } } if(p==1&&t==1) { return 1; }else if(!f) { return -1; } return 0; } //判断用户登入 public boolean selectCustomerByLogin(Customer c) { for(int i=0;i<cus.length;i++) { if(cus[i]!=null&&cus[i].getUserName().equals(c.getUserName())&&cus[i].getPassWord().equals(c.getPassWord())) { return true; } } return false; } //用户取钱 public String outMoney(String name, double money) { if(money>=0) { for (int i = 0; i < cus.length; i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { if (cus[i].getMoney() >= money) { cus[i].setMoney(cus[i].getMoney() - money); return "取钱成功"; } else { return "余额不足"; } } } } return "取钱失败"; } //用户存钱 public String addMoney(String name, double money) { if (money >= 0) { for (int i = 0; i < cus.length; i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { cus[i].setMoney(cus[i].getMoney() + money); return "存钱成功"; } } } return "存钱失败"; } //查看余额 public String showCusMoney(String name) { for(int i=0;i<cus.length;i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { return "余额为："+cus[i].getMoney(); } } return null; } //修改密码 public String modCusPass(String name,String password) { for(int i=0;i<cus.length;i++) { if(cus[i]!=null&cus[i].getUserName().equals(name)) { cus[i].setPassWord(password); return "修改成功"; } } return "修改失败"; } //显示用户信息 public String showAllCustomer(String name) { for(int i=0;i<cus.length;i++) { if(cus[i]!=null&&cus[i].getUserName().equals(name)) { return "UserName:"+cus[i].getUserName()+"\t"+"Money:"+cus[i].getMoney()+"\t"+"Tel:"+cus[i].getTel(); } } return "----显示失败-----"; } //网上转账 public int transferOut(String name,double money) { for (int i = 0; i < cus.length; i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { if (cus[i].getMoney() >= money) { cus[i].setMoney(cus[i].getMoney() - money); return 1; } else { return 0; } } } return -1; } public int transferInt(String name,double money,boolean f) { if(f) { if (money >= 0) { for (int i = 0; i < cus.length; i++) { if (cus[i] != null && cus[i].getUserName().equals(name)) { cus[i].setMoney(cus[i].getMoney() + money); return 1; } } } return -1; } return 0; } //检查是否存在该用户 public boolean idName(String name) { for (int i = 0; i < cus.length; i++) { if(cus[i] != null && cus[i].getUserName().equals(name)) { return true; } } return false; } public Customer[] getCus() { return cus; } public Admin[] getAdmins() { return admins; } }