login.java

通过数据库录入学生数据信息

package fram_login;

import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.sql.*;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import stu.Stu;

@SuppressWarnings("serial")
public class Login extends   JFrame   {   
    JPanel   jPanel1   =   new   JPanel();   
    JTextField   jTextField2   =   new   JTextField();   
    JTextField   jTextField1   =   new   JTextField();   
    JLabel   jLabel2   =   new   JLabel();   
    JLabel   jLabel1   =   new   JLabel();   
    JButton   jButton1   =   new   JButton();   
    public   Login() {   
        try   {   
            jbInit();   
        }   
        catch(Exception   e)   {   
            e.printStackTrace();   
        }   
    }   
    private   void   jbInit()   throws   Exception   {   
        this.getContentPane().setName("登录窗体");   
        jPanel1.setBounds(new   Rectangle(100,   100,   382,   281));   
        jPanel1.setLayout(null);   
        jTextField2.setBounds(new   Rectangle(157,   79,   182,   30));   
        jTextField1.setBounds(new   Rectangle(159,   0,   179,   30));   
        jLabel2.setText("password");   
        jLabel2.setBounds(new   Rectangle(0,79,155,28));   
        jLabel1.setText("user");   
        jLabel1.setBounds(new   Rectangle(7,1, 149,29));   
        jButton1.setBounds(new   Rectangle(242,209,79,29));   
        jButton1.setText("登录");   
        jButton1.addActionListener(new   java.awt.event.ActionListener()   {   
            public   void   actionPerformed(ActionEvent   e)   {   
                jButton1_actionPerformed(e);   
            }   
        });   
        this.getContentPane().add(jPanel1,   null);   
        jPanel1.add(jTextField2,   null);   
        jPanel1.add(jTextField1,   null);   
        jPanel1.add(jLabel2,   null);   
        jPanel1.add(jLabel1,   null);   
        jPanel1.add(jButton1,   null);   
    }   
     
  boolean flag=false;
    public boolean  jButton1_actionPerformed(ActionEvent   e)  
    {     	                               	
		/*try {
			  
				Stu.pstmt = Stu.conn.prepareStatement("select * from dbo.logintabel");
				ResultSet rs = Stu.pstmt.executeQuery();
				
				while (rs.next())
				{
					System.out.println(rs.getString("username"));
				    System.out.println(rs.getString("password"));	
				
					if(rs.getString("username").equals(jTextField1.getText())
							&&(rs.getString("password").equals(jTextField2.getText())))
					{
						JOptionPane.showMessageDialog(jPanel1,"OK,you   are   right！");  
						break; 
				     }								
    	     }
		} catch (Exception e1) {
			System.out.print(e1.toString());
			// TODO: handle exception
		} */     
    	if(jTextField1.getText().equals("admin")||jTextField2.getText().equals("admin"))
    	{   
           // JOptionPane.showMessageDialog(jPanel1,"OK,you   are   right！");   
    		flag=true;
                               
           }   
            else   
            flag=false;
            	//JOptionPane.showMessageDialog(jPanel1,"NO,you   are't   right！");   
       

		return flag;
						     				                   
    }   

}