denglu.java

it s a java feil,not very good !

package client;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import cmsc.c;

public class denglu extends JFrame implements ActionListener{

private static final long serialVersionUID = 1L;
static denglu frm=new denglu();
static JTextField id;
static JPasswordField password;
static JLabel l1=new JLabel(""),l2=new JLabel(""),l3=new JLabel("");
static JButton denglu,chongzhi,sss;

	public static void main(String[] args) {		
		frm.setTitle("用户登录");
		frm.setSize(400,350);
		frm.setLocation(340,200);
		id=new JTextField(8);
		password=new JPasswordField(8);
		denglu=new JButton("登录");
		chongzhi=new JButton("重置");
		JPanel p1=new JPanel();
		JPanel p2=new JPanel();
		JPanel p3=new JPanel();
		JPanel p4=new JPanel();
		JPanel p5=new JPanel();
		JPanel p6=new JPanel();
		frm.setLayout(new GridLayout(6,1));
		p1.add(l3);
		p2.add(new JLabel("工号"));
		p2.add(id);
		p3.add(new JLabel("密码"));
		p3.add(password);
		p4.add(denglu);
		p4.add(chongzhi);
		p5.add(l1);
		p6.add(l2);
		frm.add(p1);
		frm.add(p2);
		frm.add(p5);
		frm.add(p3);
		frm.add(p6);
		frm.add(p4);
		denglu.addActionListener(frm);
		chongzhi.addActionListener(frm);
		frm.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){System.exit(0);}});
		frm.setResizable(false);
		frm.setVisible(true);		
	}

	@SuppressWarnings("deprecation")
	public void actionPerformed(ActionEvent e){
		sss=(JButton)e.getSource();
		int idl=id.getText().length();
		int pl=password.getPassword().length;
		l1.setForeground(Color.red);
		l2.setForeground(Color.red);
		manager mg=new manager();
		Cmanager ymg=new Cmanager();
		if(sss==denglu){
			if(idl==0){
				l1.setText("*工号不能为空");
			}else{
				if(idl>10){
					l1.setText("*工号不能大于4个字节");
				}else{
					l1.setText("");
				}
			}
			if(pl==0){
				l2.setText("*密码不能为空");
			}else{
				if(pl>8){
					l2.setText("*密码不能大于6个字节");
				}else{
					l2.setText("");
				}
			}
			if(idl<=10&&idl!=0&&pl<=8&&pl!=0){
				c.i=1;
				c.o=false;
				c.id=id.getText().toString().trim();
				c.password=password.getText().toString().trim();
				new Client();
				if(c.i==0){
					System.out.println("连接服务器失败");
				}else{
				if(!c.o){
					JOptionPane.showMessageDialog(null, "用户名或密码错误");
				}else{
					if(Integer.parseInt(id.getText().toString().trim())<=10000){
					mg.start();
					}else{
						ymg.start();
					}
					frm.setVisible(false);
				}
				}
			}
		}
		else{
			id.setText("");
			password.setText("");
			l1.setText("");
			l2.setText("");
		}
		
	}


}