Applet整合到web环境

package cn.ac.catarc.swing.demo; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Font; import java.awt.HeadlessException; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.Enumeration; import java.util.Hashtable; import javax.swing.JApplet; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JRootPane; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTree; import javax.swing.UIManager; public class CmesApplet extends JApplet { /** * */ private static final long serialVersionUID = 1L; /** * Constructor of the applet. * * @exception HeadlessException if GraphicsEnvironment.isHeadless() * returns true. */ public CmesApplet() throws HeadlessException { super(); } /** * Called by the browser or applet viewer to inform * this applet that it is being reclaimed and that it should destroy * any resources that it has allocated. The <code>stop</code> method * will always be called before <code>destroy</code>. <p> * * A subclass of <code>Applet</code> should override this method if * it has any operation that it wants to perform before it is * destroyed. For example, an applet with threads would use the * <code>init</code> method to create the threads and the * <code>destroy</code> method to kill them. <p> */ public void destroy() { // Put your code here } /** * Returns information about this applet. An applet should override * this method to return a <code>String</code> containing information * about the author, version, and copyright of the applet. <p> * * @return a string containing information about the author, version, and * copyright of the applet. */ public String getAppletInfo() { return "This is my default applet created by Eclipse"; } /** * Called by the browser or applet viewer to inform * this applet that it has been loaded into the system. It is always * called before the first time that the <code>start</code> method is * called. <p> * * A subclass of <code>Applet</code> should override this method if * it has initialization to perform. For example, an applet with * threads would use the <code>init</code> method to create the * threads and the <code>destroy</code> method to kill them. <p> */ public void init() { // Put your code here super.init(); Container contentPane = this.getContentPane(); JLabel label1 = new JLabel("Label 1", JLabel.CENTER); label1.setBackground(Color.green); label1.setOpaque(true);// setOpaqueIture)方法的目的是让组件变成不透明，这样我们在JLabel上所设置的颜色 String[] s1={"公司文件","个人信件","私人文件"}; String[] s2={"本机磁盘(C:)","本机磁盘(D:)","本机磁盘(E:)"}; String[] s3={"奇摩站","职棒消息","网络书店"}; Hashtable hashtable1=new Hashtable(); Hashtable hashtable2=new Hashtable(); hashtable1.put("我的公文包",s1); hashtable1.put("我的电脑",s2); hashtable1.put("收藏夹",hashtable2); hashtable2.put("网站列表",s3); Font font = new Font("Dialog", Font.PLAIN, 12); Enumeration keys = UIManager.getLookAndFeelDefaults().keys(); /**定义widnows界面**/ while (keys.hasMoreElements()) { Object key = keys.nextElement(); if (UIManager.get(key) instanceof Font) { UIManager.put(key, font); } } try{ UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); }catch(Exception el){ System.exit(0); } JTree tree=new JTree(hashtable1); JScrollPane scrollPane=new JScrollPane(); scrollPane.setViewportView(tree); contentPane.add(scrollPane); // 才能显示出来。 JLabel label2 = new JLabel("Label 2", JLabel.CENTER); label2.setBackground(Color.pink); label2.setOpaque(true); JLabel label3 = new JLabel("Label 3", JLabel.CENTER); label3.setBackground(Color.yellow); label3.setOpaque(true); /* * 加入label1,label2到splitPane1中，并设置此splitPane1为水平分割且具有Continuous Layout的 * 功能。 */ JSplitPane splitPane1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, false, tree, label2); /* * 设置splitPane1的分隔线位置，0.3是相对于splitPane1的大小而定，因此这个值的范围在0.0～1.0 * 中。若你使用整数值来设置splitPane的分隔线位置，如第34行所示，则所定义的值以pixel为计算单位 */ splitPane1.setDividerLocation(100); /* * 设置JSplitPane是否可以展开或收起(如同文件总管一般)，设为true表示打开此功能。 */ splitPane1.setOneTouchExpandable(true); splitPane1.setDividerSize(10);// 设置分隔线宽度的大小，以pixel为计算单位。 JSplitPane splitPane2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT, false, splitPane1, label3); splitPane2.setDividerLocation(700); // 设置JSplitPane是否可以展开或收起(如同文件总管一般),设为true表示打开此功能. splitPane2.setOneTouchExpandable(false); splitPane2.setDividerSize(5); contentPane.add(splitPane2); this.setSize(1000, 800); } /** * Called by the browser or applet viewer to inform * this applet that it should start its execution. It is called after * the <code>init</code> method and each time the applet is revisited * in a Web page. <p> * * A subclass of <code>Applet</code> should override this method if * it has any operation that it wants to perform each time the Web * page containing it is visited. For example, an applet with * animation might want to use the <code>start</code> method to * resume animation, and the <code>stop</code> method to suspend the * animation. <p> */ public void start() { // Put your code here } /** * Called by the browser or applet viewer to inform * this applet that it should stop its execution. It is called when * the Web page that contains this applet has been replaced by * another page, and also just before the applet is to be destroyed. <p> * * A subclass of <code>Applet</code> should override this method if * it has any operation that it wants to perform each time the Web * page containing it is no longer visible. For example, an applet * with animation might want to use the <code>start</code> method to * resume animation, and the <code>stop</code> method to suspend the * animation. <p> */ public void stop() { // Put your code here } }