customerc.java

银行系统

//cibc的客户数据存储

import java.io.*;
import java.util.*;

public class Customerc{
	public static void main(String[] args)throws Exception{
		Vector v = new Vector();
				
		System.out.println("当前的客户数为" + v.size());
	  String s=javax.swing.JOptionPane.showInputDialog("请输入要添加的客户数：","");
	  int count=Integer.parseInt(s);	
	  String ID=null;
	  
		for(int i=1;i<=count;i++){
			if(i/10==0)    ID="c00"+(i+"");
			else if((i/10!=0)&&(i/100==0))      ID="c0"+(i+"");
			else ID="c"+(i+"");
			String PASSWORD="888888";
			double MONEY=100;
			String NAME="cc";
			Csm c = new Csm(ID, PASSWORD, MONEY, NAME);	
			v.add(c);
			
			System.out.println("已经添加"+i+"客户信息");

		}
	
		RandomAccessFile raf2 = new RandomAccessFile("e:\\CIBC.dat", "rw");		
		for(int index=0; index<v.size(); index++)
		{
			Csm c = (Csm)v.get(index);
			raf2.writeUTF(c.getID());
			raf2.writeUTF(c.getPassword());
			raf2.writeDouble(c.getMoney());
			raf2.writeUTF(c.getName());			
		}
		
		raf2.close();	
	}
}