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📄 6.txt

📁 java图形GUI小程序粗糙而且功能有限业呵!刚刚开始学习JAVA,菜鸟一名
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  import java.awt.*;
  import java.awt.event.WindowAdapter;
  import java.awt.event.WindowEvent;
  import com.sun.java.swing.*;

  public class myGUI extends com.sun.java.swing.JFrame {
  //此处设置环境常量,如:字体,颜色等略去。
  com.sun.java.swing.JPanel MainPanel;
  com.sun.java.swing.JPanel TopPanel;
  com.sun.java.swing.JButton ClearButton;
  com.sun.java.swing.JButton SearchButton;
  com.sun.java.swing.JTextField SearchText;
  //构造器:对setMenu() 和 setGUI()数椐和调用的初始化和实例化
  public myGUI(){
  super("Ideal GUI");
  addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){ dispose(); System.exit(0);}}); //创建窗口事件
  setMenu();
  setGUI();
  } 

  protected void ClearButtonClicked(){
  System.out.println("Clear Button Clicked");
  SearchText.requestFocus();
  SearchText.selectAll();
  } //处理ClearButton按钮事件子程序

  protected void SearchButtonClicked(){
  System.out.println("Search Button Clicked");
  SearchText.requestFocus();
  SearchText.selectAll();
  } // 处理SearchButton按钮事件子程序

  class ButtonAction implements java.awt.event.ActionListener {
  public void actionPerformed(java.awt.event.ActionEvent event) {
  Object object = event.getSource();
  if (object == ClearButton)
  ClearButtonClicked();
  else if(object == SearchButton)
  SearchButtonClicked();
  } // end public void actionPerformed(...
  } //监听事件的发生,如按钮的按下,鼠标的按动等,转向相应的处理。...

  public void setGUI(){
  TopPanel=new com.sun.java.swing.JPanel(); //TopPanel面板
  java.awt.GridBagLayout TopLayout = new java.awt.GridBagLayout();
  TopPanel.setLayout(TopLayout);
  ClearButton = new com.sun.java.swing.JButton("Clear"); //ClearButton按钮
  SearchText = new com.sun.java.swing.JTextField("Enter text here."); //SearchText文本框
  SearchButton = new JButton("Search"); //SearchButton按钮
  TopPanel.add(SearchText);//在TopPanel上安装SearchText文本框
  TopPanel.add(SearchButton); ///在TopPanel上安装SearchButton按钮
  TopPanel.add(ClearButton);// 在TopPanel上安装ClearButton按钮
  MainPanel = new com.sun.java.swing.JPanel();//主面板MainPanel
  java.awt.GridBagLayout MainLayout = new java.awt.GridBagLayout();
  MainPanel.setLayout(MainLayout);
  java.awt.GridBagConstraints MainConstraints = new java.awt.GridBagConstraints();
  SetConstraints(MainConstraints, GBCBOTH,TOPPANELX,TOPPANELY,1,1); //TopPanel
  MainLayout.setConstraints(TopPanel,MainConstraints);
  MainPanel.add(TopPanel);//将TopPanel装入主面板MainPanel
  this.getContentPane().add(MainPanel); //将主面板装入Jframe框架
  this.setSize(640,480); //设置显示大小,可在程序中更改
  this.setVisible(true); //设置可显示
  SearchText.requestFocus();//文本框聚焦(选中)
  SearchText.selectAll();
  ButtonAction BAction = new ButtonAction();
  ClearButton.addActionListener(BAction);//将按钮加入到活动监听器中
  SearchButton.addActionListener(BAction);
  } 
  public static void main(String args[]){
  myGUI mGUI = new myGUI();
  } //启动主程序 

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