insertuser.java

来自「用java2核心类库写的一个学生课程管理系统」· Java 代码 · 共 84 行

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class InsertUser extends JFrame
{
	private JPanel content;
    private JLabel userLabel;
    private	JLabel passwordLabel ;
    private JTextField userText;
    private JTextField passwordText;
	private JButton okBtn;
    private JButton cancleBtn;
    
    private static final InsertUser InserUser= new InsertUser();
    
    public static InsertUser singleInsertUser()
	{
		return InserUser;
	}

    private InsertUser()
    {
    	initInsertUser();
    	ClickActionListener  cal = new ClickActionListener();
    	okBtn.addActionListener(cal);
    	cancleBtn.addActionListener(cal);
    }
	private void initInsertUser()
    {
    	this.setTitle("添加用户");
        content = new JPanel();
    	userLabel = new JLabel("用户名:   ");
    	passwordLabel = new JLabel("密码:    ");
   
        userText= new JTextField(10);
    	passwordText = new JTextField(10);

    	okBtn = new JButton("添加");
    	cancleBtn=new  JButton("清除");
    	content.add(userLabel);
    	content.add(userText);
    	content.add(passwordLabel);
    	content.add(passwordText);
    	content.add(okBtn);
    	content.add(cancleBtn);
    	content.setLayout(new FlowLayout());
    	this.add(content);
    	this.setSize(300,300);
    }

    class ClickActionListener implements ActionListener  
    {    
	    public void actionPerformed(ActionEvent e)
	    {
	    	String user= null;
	        String password= null;

	    	System.out.println("insert button ");
	    	if (e.getActionCommand() == "添加")
	    	{
	    		System.out.println("insert button is ok");
	    		user = userText.getText();
	    		password =passwordText.getText();
	    	
	    		String sqlInsert = null;
	    		sqlInsert = "insert into 用户信息 values (" + 
	    			        "\'" + user + "\'" + "," + 
	    			        "\'" + password + "\'" +      ")" ;
	         	System.out.println("sqlInsert  = "  + sqlInsert);
	    		SMISDB insertUserDB = new SMISDB();
	    	    insertUserDB.getTable(sqlInsert,new JFrame(),true);
	    	    	
	    	}
	        else if (e.getActionCommand()=="清除")
            {   
                userText.setText("");
	            passwordText.setText("");
          	}
	    }
    }    
}