account.java

实现银行系统的一系列功能,比如存款取款透支查询余额等

package tarena.bank.server;
import java.io.*;

public class Account implements Serializable{
	public int type;
	private long id;

	private String passwd;

	private String name;

	private String personId;

	private String email;

	private double balance;
	public Account(){
		
	}

	public Account(long id,String passwd, String name, String personId, String email,double balance,int type) {
		this.id=id;
		this.passwd = passwd;
		this.name = name;
		this.personId = personId;
		this.email = email;
		this.balance=balance;
		this.type=type;
	}

	public synchronized static long CreatId(){
		Account account=null;
		try {
			FileInputStream infile = new FileInputStream(
			"C:\\Documents and Settings\\Administrator\\桌面\\id.list");
			ObjectInputStream ois = new ObjectInputStream(infile);
			account = (Account)(ois.readObject());
			
			FileOutputStream outfile = new FileOutputStream(
			"C:\\Documents and Settings\\Administrator\\桌面\\id.list");
			ObjectOutputStream oos = new ObjectOutputStream(outfile);
			Account a = new Account();
			a.setId(account.id+1);
			oos.writeObject(a);
			oos.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		return account.id;
	}
	
	public long getId() {
		return id;
	}

	double getBalance() {
		return balance;
	}

	public void setBalance(double balance) {
		this.balance = balance;
	}

	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}

	public String getName() {
		return name;
	}

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

	String getPasswd() {
		return passwd;
	}

	void setPasswd(String passwd) {
		this.passwd = passwd;
	}

	public String getPersonId() {
		return personId;
	}

	public void setPersonId(String personId) {
		this.personId = personId;
	}

	public synchronized void withdraw(double money){
		if(money<=0){
			System.out.println("Operation Canceled!");
		}
		else if(money>balance){
			System.out.println("The money you get is beyond your balance!");
		}
		else{
			this.balance=this.balance-money;
		}
	}

	public final void deposit(double money) {
		this.balance = this.balance + money;
	}

	public void setId(long id) {
		this.id = id;
	}
	public String toString(){
		return id+"\t"+passwd+"\t"+name+"\t"+personId+"\t"+email+"\t"+this.getBalance()+"\t"+this.type;
	}
	public boolean equals(Object o){
		return this.id==((Account)o).id;
	}

}