landing.java

包括源代码

/*
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 * and open the template in the editor.
 */

package testgui;
import DBOperation.DBUser;
import java.awt.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
/**
 *
 * @author RJ-408
 */
public class Landing extends JFrame implements ActionListener {
    
    JLabel 用户名,密码;
    JTextField 用户名1;
    JPasswordField 密码1;
    JButton 登录,取消,注册;
    LandFalse falseMessage;
    RagisterMessage message;
    UserTest usertest;
    
    public Landing()
    {
        super("用户登录");
        this.setLayout(null);
        
        用户名=new JLabel("用户名");
        密码=new JLabel("密   码");
        
        用户名1=new JTextField(10);
        密码1=new JPasswordField(10);
        
        登录=new JButton("登录");
        注册=new JButton("注册");
        取消=new JButton("退出");
        
        登录.addActionListener(this);
        注册.addActionListener(this);
        取消.addActionListener(this);
        
        用户名.setBounds(10, 10, 80, 20);
        密码.setBounds(10, 30, 80, 20);
        用户名1.setBounds(90, 10, 150, 20);
        密码1.setBounds(90, 30, 150, 20);
        登录.setBounds(10, 60, 80, 20);
        注册.setBounds(100, 60, 80, 20);
        取消.setBounds(190, 60, 80, 20);
        
        this.add(用户名);
        this.add(密码);
        this.add(用户名1);
        this.add(密码1);
        this.add(登录);
        this.add(注册);
        this.add(取消);
        
        this.setBounds(200, 200, 290, 120);
        this.setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        if(e.getSource()==登录)
        {
            DBUser user = new DBUser();
            try {
                int j[] = user.UserLand(用户名1.getText(),this.toString(密码1.getPassword()));
                if (j[0]==1&&j[1]==2) {
                    JFrame.setDefaultLookAndFeelDecorated(true);
                    JFrame frame=new JFrame("用户测试");
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                    usertest=new UserTest();
                    usertest.setOpaque(true);
                    frame.setContentPane(usertest);
                    frame.pack();
                    frame.setVisible(true);
                    //usertest=new UserTest("用户测试");
                    usertest.删除用户.setEnabled(false);
                    usertest.添加用户.setEnabled(false);
                    usertest.用户权限.setEnabled(false);
                    usertest.插入题目.setEnabled(false);
                    usertest.删除题目.setEnabled(false);  
                    usertest.setVisible(true);
                    this.setVisible(false);
                } 
                else if(j[0]==1&&j[1]==1)
                {
                    JFrame.setDefaultLookAndFeelDecorated(true);
                    JFrame frame=new JFrame("用户测试");
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                    usertest=new UserTest();
                    usertest.setOpaque(true);
                    frame.setContentPane(usertest);
                    frame.pack();
                    frame.setVisible(true);
                   // usertest=new UserTest("用户测试");
                    usertest.setVisible(true);
                    this.setVisible(false);
                }
                else {
                    falseMessage=new LandFalse(this);
                    falseMessage.setVisible(true);
                }
            } catch (Exception ex) {
                Logger.getLogger(Landing.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        if(e.getSource()==注册)
        {
            message=new RagisterMessage(this);
            message.setVisible(true);   
        }
        if(e.getSource()==取消)
            System.exit(0);
//        throw new UnsupportedOperationException("Not supported yet.");
    }
    
    public String toString(char[] p)
    {
        String password="";
        char pass[]=p;
        for(int i=0;i<pass.length;i++)
            password=password+pass[i];
        return password;
    }
    
    public static void main(String args[])
    {
        Landing land=new Landing();
    }
}