package swing; 

import java.awt.event.ComponentAdapter; 
import java.awt.event.ComponentEvent; 

import javax.swing.JFrame; 
import javax.swing.JSplitPane; 
import javax.swing.JPanel; 
public class MainFrame extends JFrame { 
 /** 
  * 
  */ 
 JSplitPane jSplitPane1 = new JSplitPane(); 
 JPanel jPanel1 = new JPanel(); 
 JPanel jPanel2 = new JPanel(); 
 private static final long serialVersionUID = 1L; 
 public static void main(String[] args){ 
  new MainFrame(); 
  } 

 public void myinit(){ 
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设定窗体关闭后自动退出进程 
  this.setSize(800,600);//设定窗体的默认尺寸 
  this.setExtendedState(JFrame.MAXIMIZED_BOTH);//设定窗体状态为屏幕最大化，即全屏尺寸。 
  this.setVisible(true);//显示窗体 
  this.jSplitPane1.setDividerLocation(0.7);//设定分割面板的左右比例(这时候就生效了，如果放在setVisible(true)这据之前就不会有效果。) 
  this.addComponentListener(new ComponentAdapter() { 

   public void componentResized(ComponentEvent e) { 

    jSplitPane1.setDividerLocation(0.7); 
   } 
  }); 
 }  

 public MainFrame() { 
  try { 

   jbInit(); 
   myinit(); 
  } catch (Exception ex) { 
   ex.printStackTrace(); 
  } 
 } 
 private void jbInit() throws Exception { 
  this.getContentPane().add(jSplitPane1, java.awt.BorderLayout.CENTER); 
  jSplitPane1.add(jPanel1, JSplitPane.LEFT); 
  jSplitPane1.add(jPanel2, JSplitPane.RIGHT); 
  jSplitPane1.setEnabled(false); 
  jSplitPane1.setOneTouchExpandable(true); 

 } 


}