数据库存储ATM机，开户、查询等信息

package com.bank.unionpay;

//银行卡的接口
public interface I_yinhangka 
{

	//抽象方法
	//public abstract默认修饰抽象的
	
	public abstract void cxyue();//查询余额
	
	void  cunkuan();//存款
	
	void qukuan();//取款
	
	void accound();//账户
	
	
}

package com.bank.unionpay;

import java.util.ArrayList;
import java.util.List;

public class Zhujiemian {
	
	public void zhujiemian()
	{
		System.out.println("银行自助终端系统");
		System.out.println();
		System.out.println("************************");
		List<String> li=new ArrayList<>();
		li.add("开户");
		li.add("查询");
		li.add("存款");
		li.add("取款");
		li.add("退出");
		
		for(int i=0;i<5;i++)
		{
			System.out.println(i+"------"+li.get(i));
		}
		System.out.println();
		System.out.println("请选择您要执行的功能");
	}

}

package com.bank.unionpay;

public abstract class Atm implements I_yinhangka
{
	String leixing;//银行卡类型
	String accound;//账户
	double qukuan;//取款
	double cunkuan;//存款
	double cxyue ;//余额
	String name;
	String sfzheng;//省份证号
	

	
	public Atm(String name,String sfzheng,String accound, double cxyue ) {
		super();
		this.accound = accound;
		this.cxyue = cxyue;
		this.name = name;
		this.sfzheng = sfzheng;
	}
	

	public Atm() {
		super();
	}


	@Override
	public void cxyue()
	{
		// 查询余额
		cxyue-=qukuan;
		cxyue+=cunkuan;

		System.out.println("您的余额="+cxyue);
	}

	@Override
	public void cunkuan() 
	{
		// 存款
		cxyue+=cunkuan;
		
		System.out.println("存款成功，您的存款金额为"+cunkuan);
        System.out.println("本次操作后您的余额为："+cxyue);
	}

	@Override
	public void qukuan() 
	{
		// 取款
		cxyue-=qukuan;
		if(cxyue>=0)
		{
			System.out.println("取款成功，本次取款金额= "+qukuan);
			System.out.println("本次操作后您的余额= "+cxyue);
		}
		else
		{
			System.out.println("余额不足，无法取款");
			
		}
		
	}

	@Override
	public void accound() {
		// 账户
		
	}

	
	//声明成员方法
	public double qukuan(double qukuan)//取款
	{
		cxyue-=qukuan;
		if(cxyue>=0)
		{
			System.out.println("取款成功，本次取款金额= "+qukuan);
			System.out.println("本次操作后您的余额= "+cxyue);
		}
		else
		{
			System.out.println("余额不足，无法取款");
			
		}
		return qukuan;
		
	}
	
	public double cunkuan(double cunkuan)//存款
	{
		

		cxyue+=cunkuan;
		
		System.out.println("存款成功，您的存款金额为"+cunkuan);
        System.out.println("本次操作后您的余额为："+cxyue);
		return cunkuan;
	}
	
	public double cxyue(double cxyue)
	{
		cxyue-=qukuan;
		cxyue+=cunkuan;

		System.out.println("您的余额="+cxyue);
		return cxyue;
	}
	
	//添加开户的抽象方法
	public abstract void kaihu();

}

package com.bank.unionpay;

//银行枚举类型
public enum Leixing 
{

	ABC("农行"),ICBC("工行"),CCB("建行"),BOC("中行");
	
	private   final String leixing;
	
	
	public String getLeixing() 
	{
		return this.leixing;
	}

	//构造方法
	private Leixing(String leixing)
	{
		this.leixing=leixing;
	}
	
}

package com.bank.abc;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.bank.unionpay.Leixing;

//单利模式
public class Bank implements Serializable 
{
	private Bank()//禁止外部访问构造方法
	{
		
	}
	private static Bank  bank=new Bank();//内部产生唯一实例
	public static Bank  getBank()//开放一个方法给调用者返回这个实例
	{
		return bank;
	}

	final Leixing lx=Leixing.ABC;//农行类型
	
	private String yhName;//银行名称
	
	public List <String>card=new ArrayList<>();//银行卡列表
	
	//public Map<String, CxCard > account=new HashMap<>();//账号储蓄卡集合
	
	
}

package com.bank.abc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Random;
import java.util.Scanner;

import com.bank.unionpay.Atm;
import com.bank.unionpay.Leixing;

public class Atm2 extends Atm 
{

	 public CxCard cx=new  CxCard();//
	
	public Atm2(String name, String sfzheng, String accound, double cxyue) {
		super(name, sfzheng, accound, cxyue);
		// TODO 自动生成的构造函数存根
	}

	public  Atm2() {
		// TODO 自动生成的构造函数存根
		super();
	}

	final Leixing lx = Leixing.ABC;

	@Override
	public void kaihu()// 实现开户
	{
		System.out.println("您选择的为开户功能");
		Scanner sc0=new Scanner(System.in);
		System.out.println("请输入姓名");
		String name=sc0.nextLine();
			
				
		for(int i=1;i>0;i++) 
		{
			System.out.println("请输入身份证号");
			String sfzheng=sc0.nextLine();
				
				if(sfzheng.length()==18)//判断身份证
				{
			
					for(int j=1;j>0;j++)
					{
						
						System.out.println("请输入密码");
						String mm="\\d{6}";//6位数字正则表达式
						String password=sc0.nextLine();
						if(password.matches(mm))
						{
					
							//cx.setPassword(password);//写入密码
								
							
							Random  ra=new Random();//随机生成6位卡号
							int[] ch=new int[6];
							StringBuilder str=new StringBuilder();
							String s;//用于下面拼接
							for(int k=0;k<6;k++)
							{
								ch[k]=ra.nextInt(9);//0-9
							}
								
							for(Integer c:ch)
							{
							str.append(c.toString());//遍历  拼接6位数字
							}
							s=str.toString();
							//cx.setCairNumber(s);//写入卡号
							
							
//							Bank.getBank().card.add(cx.getCairNumber());//将生成的储蓄卡号存到银行的银行卡列表中
//
//							Bank.getBank().account.put(cx.getCairNumber(), cx); //id+储蓄卡对象
							System.out.println("开户成功");
							System.out.println("您的账号为： "+s);
							
							
							// 访问数据库
							//1.加载驱动：加载数据库提供的驱动类
							try {	
								Class.forName("oracle.jdbc.driver.OracleDriver");
							} catch (ClassNotFoundException e) {
								// TODO 自动生成的 catch 块
								e.printStackTrace();
							}
							//2.获取数据库连接
							Connection conn;
							try {	
								conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:orcl", 
										"test0816", "123456");
							
							
								System.out.println("连接成功");
							
							//操作数据库：增删改查
							//3.获得操作数据库的声明
							Statement st;
							
								st = conn.createStatement();
							
							
								int y=st.executeUpdate("insert into ATM(cairNumber,name,sfzheng,cxyue,password)"
								+"values(‘"+s+"‘,‘"+name+"‘,‘"+sfzheng+"‘,‘"+cx.getCxyue()+"‘,‘"+password+"‘)");
							} 
							catch (SQLException e) {
								// TODO 自动生成的 catch 块
								e.printStackTrace();
							}		
							break;
						}
							
						else
						{
							System.out.println("请输入6位纯数字密码");
						}
					}
						
				break;
				}
					
				else
				{
					System.out.println("请重新输入身份证号");
				
				}	
		}	
			
	}

}

package com.bank.abc;

import java.io.Serializable;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

import com.bank.unionpay.Leixing;

//储蓄卡
//只有实现了Serializable和Externalizable接口的类的对象才能被序列化。
public class CxCard implements Serializable 


{
	//属性
	final Leixing lx=Leixing.ABC;
	String  name;//姓名
	String sfzheng;//身份证号
	String cairNumber2;//卡号
	String password;//密码
	double cxyue ;//余额
	
	//生成卡号的get   set方法

	public String getCairNumber() {
		return cairNumber2;
	}

	public void setCairNumber(String cairNumber) {
		this.cairNumber2 = cairNumber;
	}
	

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getSfzheng() {
		return sfzheng;
	}

	public void setSfzheng(String sfzheng) {
		this.sfzheng = sfzheng;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public double getCxyue() {
		return cxyue;
	}

	public void setCxyue(double cxyue) {
		this.cxyue = cxyue;
	}

	public CxCard(String cairNumber, String password) {
		super();
		
		this.cairNumber2 = cairNumber;
		this.password = password;
		
	}

	

	@Override
	public String toString() {
		return "姓名：" + name + "\n"+" 身份证：" + sfzheng + "\n"+"卡号： " + cairNumber2 +"\n"+ " 余额：" + cxyue;
	}

	public CxCard() {
		// TODO 自动生成的构造函数存根
	}

//声明成员方法
public void qukuan()//取款
{
	if(true)
	{
		System.out.println("您选择的为取款功能");
		for(int i=1;i>0;i++)
		{
			Scanner sc1=new Scanner(System.in);
				
			System.out.println("请输入您要取款的卡号");
			String c2=sc1.nextLine();
			
			try 
			{
				Class.forName("oracle.jdbc.driver.OracleDriver") ;
				
				Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:orcl",
						"test0816","123456") ;
				
				Statement st = conn.createStatement() ;
				//查询用户输入卡号的结果集
				ResultSet rs =st.executeQuery("select * from ATM where cairnumber = ‘" +c2 +"‘ ") ;
				
				if(rs.next())
				{
					
					String ss = rs.getString("password") ;
					for(int k = 0 ; k<3; k++ )
					{
						System.out.println("请输入您的密码：");
						Scanner mm = new Scanner(System.in) ;
						String mima = mm.nextLine();
						if(ss.equals(mima))
						{
							System.out.println("请输入取款金额");
							Scanner sc =new Scanner(System.in);
							double qk =sc.nextDouble();
							if(qk>0)
							{
								double yue = rs.getDouble("cxyue");
								if(qk<=yue)
								{
									double sumyue =yue-qk;
									st.executeUpdate("update ATM set cxyue=‘"+sumyue+"‘ where cairnumber "
										+ "= ‘" +c2 +"‘ ");
									System.out.println("取款成功");
									
									break;
								}
								else
								{
									System.out.println("您的余额不足，无法取款");
								}
							}
							else
							{
								System.out.println("您输入的取款金额，系统不识别");
							}
							
							
						}
						else
						{
							System.out.println("密码不对");
						}

					break;
					}
					break;
				}
				rs.close();
				st.close();
				conn.close();
			} catch (ClassNotFoundException | SQLException e) {
				// TODO 自动生成的 catch 块
				e.printStackTrace();
			}
			
		}
			
	}
		
			
}
		
public void cunkuan()//存款
{

	if(true)
	{
		System.out.println("您选择的为存款功能");
		for(int i=1;i>0;i++)
		{
			Scanner sc1=new Scanner(System.in);
				
			System.out.println("请输入您要存款的卡号");
			String c2=sc1.nextLine();
			
			try 
			{
				Class.forName("oracle.jdbc.driver.OracleDriver") ;
				
				Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:orcl",
						"test0816","123456") ;
				
				Statement st = conn.createStatement() ;
				//查询用户输入卡号的结果集
				ResultSet rs =st.executeQuery("select * from ATM where cairnumber = ‘" +c2 +"‘ ") ;
				
				if(rs.next())
				{
					
					String ss = rs.getString("password") ;
					for(int k = 0 ; k<3; k++ )
					{
						System.out.println("请输入您的密码：");
						Scanner mm = new Scanner(System.in) ;
						String mima = mm.nextLine();
						if(ss.equals(mima))
						{
							System.out.println("请输入存款金额");
							Scanner sc =new Scanner(System.in);
							double ck =sc.nextDouble();
							if(ck>=0)
							{
								double yue = rs.getDouble("cxyue");
								double sumyue =yue+ck;
								st.executeUpdate("update ATM set cxyue=‘"+sumyue+"‘ where cairnumber "
										+ "= ‘" +c2 +"‘ ");
								System.out.println("存款成功");
								
								break;
							}
							else
							{
								System.out.println("您输入的存款金额，系统不识别");
							}
							
							
						}
						else
						{
							System.out.println("密码不对");
						}

					break;
					}
					break;
				}
				rs.close();
				st.close();
				conn.close();
			} catch (ClassNotFoundException | SQLException e) {
				// TODO 自动生成的 catch 块
				e.printStackTrace();
			}
			
		}	
	}
			
}
		
		
		
public void cxyue()//查询
{
		
	if(true)
	{
		System.out.println("您选择的为查询功能");
		for(int i=1;i>0;i++)
		{
			Scanner sc1=new Scanner(System.in);
				
			System.out.println("请输入您要查询的卡号");
			String c2=sc1.nextLine();
			
			try 
			{
				Class.forName("oracle.jdbc.driver.OracleDriver") ;
				
				Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:orcl",
						"test0816","123456") ;
				
				Statement st = conn.createStatement() ;
				
				ResultSet rs =st.executeQuery("select * from ATM where cairnumber = ‘" +c2 +"‘ ") ;
				
				if(rs.next())
				{
					
					String ss = rs.getString("password") ;
					for(int k = 0 ; k<3; k++ )
					{
						System.out.println("请输入您的密码：");
						Scanner mm = new Scanner(System.in) ;
						String mima = mm.nextLine();
						if(ss.equals(mima))
						{
							System.out.println("您的信息为：");
							System.out.println("姓名："+rs.getString("name")+"\t身份证号："+rs.getString("sfzheng")
							+"\t账号："+rs.getString("cairnumber")+"\t余额"+rs.getString("cxyue"));
							break;
						}
						else
						{
							System.out.println("密码不对");
						}

					break;
					}
					break;
				}
				rs.close();
				st.close();
				conn.close();
			} catch (ClassNotFoundException | SQLException e) {
				// TODO 自动生成的 catch 块
				e.printStackTrace();
			}
			
		}	
	}
			
}


}

package com.bank.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

import com.bank.abc.Atm2;
import com.bank.abc.Bank;
import com.bank.abc.CxCard;
import com.bank.unionpay.Atm;
import com.bank.unionpay.Leixing;
import com.bank.unionpay.Zhujiemian;

public class A 
{

	public static void main(String[] args) throws Exception
	{
	
		

		
		for(int i=1;i>0;i++)
		{
			Zhujiemian zjm=new Zhujiemian();
			zjm.zhujiemian();
			

			
				Scanner sc=new Scanner(System.in);
				int in=sc.nextInt();
				if(in==0||in==1||in==2||in==3||in==4)
				{
		
					if(in==0)
						
					{//测试开户
						Atm2  a2=new Atm2();
						a2.kaihu();
						continue;
					}
					//查询
					if(in==1)
					{
						Atm2  a2=new Atm2();
						a2.cx.cxyue();
						continue;
					}
		
					if(in==2)
					{
						//存款
						Atm2  a2=new Atm2();
						a2.cx.cunkuan();
						continue;
					}
					if(in==3)
					{
						//取款
						Atm2  a2=new Atm2();
						a2.cx.qukuan();
						continue;
					}
					if(in==4)
					{
						//退出
						System.out.println("系统即将退出");
						
//						File fi=new File("d:/abc122");
//						if(!fi.exists())
//						{
//							fi.mkdirs();
//						}
//						ObjectOutputStream obj=new ObjectOutputStream(new FileOutputStream("d:/abc122/abc.obj"));
//						obj.writeObject(Bank.getBank().account);
//						System.out.println("数据保存完成");
//						obj.close();
//						
						break;
						
					}
				
				
				}
				else
				{
					System.out.println("该菜单不存在");
				}
		
			
			
		}
		
		
		
	}

	
	
	

}

数据库存储ATM机，开户、查询等信息

标签：