java上下分頁窗口流動布局

上下分頁要用到

JSplitPane jSplitPane =new JSplitPane();//設定為拆分布局

效果圖：

 

 

show me code：

 

 

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

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSplitPane;
import javax.swing.JTextPane;

public class Mainui extends JFrame{
    JSplitPane jSplitPane =new JSplitPane();//設定為拆分布局
    private static final long serialVersionUID = 1L;
    JPanel jp1;                    //上面板1
    JTextPane jtp1;                   //下面板1
    JButton bt1;                  //選擇項目文件按鈕
    JButton bt2;                //開始轉換按鈕
    JComboBox<String> cmb1;       //創建下拉菜單
    JComboBox<String> cmb2;        //創建下拉菜鳥

    public Mainui(){
    
        this.setTitle("歡迎使用編碼轉換軟件");
        this.setBounds(100, 100, 600, 500);
        
        jp1 = new JPanel();        
        jtp1=new JTextPane();
        bt1 = new JButton("打開項目");
        bt2 = new JButton("開始轉換");
        cmb1=new JComboBox<String>();    //創建JComboBox
        cmb2=new JComboBox<String>();    //創建JComboBox
        
        cmb1.addItem("文本類型");    //向下拉列表1中添加項
        cmb1.addItem("所有文件");
        cmb1.addItem(".java");
        cmb1.addItem(".txt");
        cmb1.addItem(".c");
        cmb1.addItem(".cpp");
        cmb1.addItem(".py");
        
        cmb2.addItem("轉換編碼");    //向下拉列表2中添加項
        cmb2.addItem("UTF-8");
        cmb2.addItem("GB2312");
        cmb2.addItem("Unicode");
        
        jp1.add(bt1);                //將按鈕，下拉菜單添加入jPanel容器
        jp1.add(cmb1);
        jp1.add(cmb2);
        jp1.add(bt2);
    

        jSplitPane.setContinuousLayout(true);//操作箭頭，重繪圖形
        jSplitPane.setOrientation(JSplitPane.VERTICAL_SPLIT);//垂直方向
        jSplitPane.setTopComponent(jp1);//上下布局中添加組件 ，面板1(上)
        jSplitPane.setBottomComponent(jtp1);//上下布局中添加組件 ，面板1(下)
        
        setContentPane(jSplitPane);//將布局添加入窗口
        
        setVisible(true);//窗口設置可見
        
        jSplitPane.addComponentListener(new ComponentAdapter() {//拖動窗口監聽 
             public void componentResized(ComponentEvent e) {  
                 if(jSplitPane.getWidth()<=210){
                     jSplitPane.setDividerLocation(140);//設置條高度
                 }
                 else if(jSplitPane.getWidth()<420){
                     jSplitPane.setDividerLocation(70);//設置條高度 
                 }else{
                     jSplitPane.setDividerLocation(40);//設置條高度 
                 }
             }  
        }); 
    }

    public static void main(String a[]){
        new Mainui();
    }

}