Java 实现的简易浏览器（Think浏览器的实现）

去年写的代码，时间过去的有点长了，具体的代码就不怎么解释了，直接贴上代码，希望对大家有帮助。

/* * Name:MainUI * Writer:bitsjx * Date:2009-12-07 * Time:00:20 * Function:the MainUI class which implement the basic GUI function * */ package ui; import java.awt.BorderLayout; import java.awt.Container; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.net.MalformedURLException; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; import java.net.URLConnection; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JEditorPane; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextField; import javax.swing.JToolBar; import javax.swing.JTree; import javax.swing.KeyStroke; import javax.swing.SwingConstants; import javax.swing.event.HyperlinkEvent; import javax.swing.event.HyperlinkListener; import javax.swing.event.TreeSelectionEvent; import javax.swing.event.TreeSelectionListener; import javax.swing.text.BadLocationException; import javax.swing.text.EditorKit; import javax.swing.text.html.HTMLDocument; import javax.swing.text.html.HTMLEditorKit; import javax.swing.text.html.HTMLFrameHyperlinkEvent; import javax.swing.text.html.HTMLEditorKit.Parser; import javax.swing.tree.DefaultMutableTreeNode; import ui.JMPWindow; import core.PageList; import core.PageNode; import core.ThinkFrame; public class MainUI extends JFrame { // 建立主框架 JFrame think = new JFrame("think"); // 建立主菜单栏 JMenuBar menubar = new JMenuBar(); // 文件菜单 JMenu filemenu = new JMenu("文件(F)"); JMenuItem newwindow = new JMenuItem("新窗口(N)"); JMenuItem openfile = new JMenuItem("打开(O)"); JMenuItem saveas = new JMenuItem("另存为(S)"); JMenuItem quit = new JMenuItem("退出(Q)"); // 查看菜单 JMenu watchmenu = new JMenu("查看(V)"); JMenuItem sourcecode = new JMenuItem("源代码(O)"); // 书签菜单 static JMenu bookmarkmenu = new JMenu("书签(B)"); JMenuItem addbookmark = new JMenuItem("添加书签(B)"); // 帮助菜单 JMenu helpmenu = new JMenu("帮助(H)"); JMenuItem help = new JMenuItem("think 帮助"); JMenuItem about = new JMenuItem("关于 think"); // 打开保存对话框 JFileChooser openfilechooser = new JFileChooser("D://"); JFileChooser saveasfilechooser = new JFileChooser("D://"); // 定义三种窗口外观 public final static String Windows = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel"; public final static String Metal = "javax.swing.plaf.metal.MetalLookAndFeel"; public final static String Motif = "com.sun.java.swing.plaf.motif.MotifLookAndFeel"; //定义按钮的图标 ImageIcon bookmarkicon=new ImageIcon(getClass().getResource("/icons/back.png")); ImageIcon forwardicon=new ImageIcon(getClass().getResource("/icons/forward.png")); ImageIcon backicon=new ImageIcon(getClass().getResource("/icons/back.png")); ImageIcon refreshicon=new ImageIcon(getClass().getResource("/icons/refresh.png")); ImageIcon homeicon=new ImageIcon(getClass().getResource("/icons/home.png")); ImageIcon goicon=new ImageIcon(getClass().getResource("/icons/go.png")); ImageIcon stopicon=new ImageIcon(getClass().getResource("/icons/stop.png")); //建立工具栏 JToolBar toolbar=new JToolBar(); JButton bookmark=new JButton("书签",bookmarkicon); JButton back=new JButton("后退",backicon); JButton forward=new JButton("前进",forwardicon); JButton stop=new JButton("停止",stopicon); JButton refresh=new JButton("刷新",refreshicon); JButton home=new JButton("主页",homeicon); //地址栏 JLabel addresslabel=new JLabel("地址:"); JTextField urlfield = new JTextField(50); JButton go = new JButton("转到",goicon); Box addressbox = new Box(BoxLayout.LINE_AXIS); JToolBar addresstoolbar=new JToolBar(); // 建立显示网页的页面 JEditorPane webpagepane = new JEditorPane(); JScrollPane scrollpane = new JScrollPane(webpagepane); JScrollPane treescollpane=new JScrollPane(); // 默认主页URL地址 String urladdress = "http://www.baidu.com"; //建立分隔栏 JSplitPane splitPane=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); //创建树根节点 DefaultMutableTreeNode root=new DefaultMutableTreeNode("收藏夹"); //创建一个文件节点 DefaultMutableTreeNode homepage=new DefaultMutableTreeNode("主页"); JTree jtree=new JTree(root); // 建立一个链表来保存历史记录 PageList historylist = new PageList(); // 建立一个链表来保存书签记录 PageList bookmarklist = new PageList(); public MainUI() { Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); screenSize = Toolkit.getDefaultToolkit().getScreenSize(); think.setPreferredSize(new Dimension(800,600)); int thinkWidth=this.getPreferredSize().width; int thinkHeight=this.getPreferredSize().height; think.setSize(thinkWidth,thinkHeight); think.setLocation((screenSize.width-thinkWidth)/2,(screenSize.height-thinkHeight)/2); // 设置窗口属性 //think.setLocationRelativeTo(null); think.setLayout(new BorderLayout()); think.setTitle("Think"); think.setResizable(true); // 添加菜单栏 think.setJMenuBar(menubar); menubar.add(filemenu); filemenu.setMnemonic('F'); menubar.add(watchmenu); watchmenu.setMnemonic('V'); menubar.add(bookmarkmenu); bookmarkmenu.setMnemonic('B'); menubar.add(helpmenu); helpmenu.setMnemonic('H'); // 添加菜单项 filemenu.add(newwindow); // 添加键盘快捷方式 newwindow.setMnemonic('N'); newwindow.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_MASK)); newwindow.addActionListener(new Action()); filemenu.addSeparator(); filemenu.add(openfile); openfile.setMnemonic('O'); openfile.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK)); openfile.addActionListener(new Action()); filemenu.add(saveas); saveas.setMnemonic('S'); saveas.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_MASK)); saveas.addActionListener(new Action()); filemenu.addSeparator(); filemenu.add(quit); quit.setMnemonic('Q'); quit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, InputEvent.CTRL_MASK)); quit.addActionListener(new Action()); watchmenu.add(sourcecode); sourcecode.setMnemonic('U'); sourcecode.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK)); sourcecode.addActionListener(new Action()); bookmarkmenu.add(addbookmark); addbookmark.setMnemonic('D'); addbookmark.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, InputEvent.CTRL_MASK)); addbookmark.addActionListener(new Action()); helpmenu.add(help); help.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F1, InputEvent.BUTTON1_MASK)); help.addActionListener(new Action()); helpmenu.addSeparator(); helpmenu.add(about); about.addActionListener(new Action()); // 添加工具按钮 toolbar.add(bookmark); bookmark.setFocusable(false); bookmark.setEnabled(true); bookmark.setHorizontalTextPosition(SwingConstants.RIGHT); bookmark.setVerticalTextPosition(SwingConstants.CENTER); bookmark.addActionListener(new Action()); toolbar.add(back); back.setFocusable(false); back.setEnabled(false); back.setHorizontalTextPosition(SwingConstants.RIGHT); back.setVerticalTextPosition(SwingConstants.CENTER); back.addActionListener(new Action()); toolbar.add(forward); forward.setFocusable(false); forward.setEnabled(false); forward.setHorizontalTextPosition(SwingConstants.RIGHT); forward.setVerticalTextPosition(SwingConstants.CENTER); forward.addActionListener(new Action()); toolbar.add(stop); stop.setFocusable(false); stop.setHorizontalTextPosition(SwingConstants.RIGHT); stop.setVerticalTextPosition(SwingConstants.CENTER); stop.addActionListener(new Action()); toolbar.add(refresh); refresh.setFocusable(false); refresh.setHorizontalTextPosition(SwingConstants.RIGHT); refresh.setVerticalTextPosition(SwingConstants.CENTER); refresh.addActionListener(new Action()); toolbar.add(home); home.setFocusable(false); home.setHorizontalTextPosition(SwingConstants.RIGHT); home.setVerticalTextPosition(SwingConstants.CENTER); home.addActionListener(new Action()); toolbar.addSeparator(); addressbox.add(addresslabel,BorderLayout.WEST); addressbox.add(urlfield,BorderLayout.CENTER); urlfield.setFocusable(true); urlfield.addActionListener(new Action()); urlfield.addKeyListener(new KeyAction()); addressbox.add(go,BorderLayout.EAST); go.setFocusable(false); go.setHorizontalTextPosition(SwingConstants.RIGHT); go.setVerticalTextPosition(SwingConstants.CENTER); go.addActionListener(new Action()); toolbar.add(addressbox); scrollpane.setPreferredSize(new Dimension(800, 600)); root.add(homepage); jtree.updateUI(); jtree.addTreeSelectionListener(new TreeNodeChange()); treescollpane.setViewportView(jtree); splitPane.setDividerLocation(0); splitPane.setOneTouchExpandable(true); splitPane.setDividerSize(0); splitPane.add(treescollpane); splitPane.add(scrollpane); // 获得内容面板,将菜单和工具栏添加到内容面板里面 Container contentpane = getContentPane(); // 将menubar放在框架的顶端 setJMenuBar(menubar); contentpane.add(toolbar, BorderLayout.NORTH); contentpane.add(splitPane); //程序加载时载入书签文件 try{ File loadbookmarklist=new File("BookMarkList.txt"); FileReader filereader=new FileReader(loadbookmarklist); BufferedReader bufferedreader=new BufferedReader(filereader); //临时存放网页标题 String temp=""; //临时存放网页URL String content=""; String linesep=System.getProperty("line.separator"); while((temp=bufferedreader.readLine())!=null) { //由于每个标题对应一个网址，所以一次可以读取两行 content=bufferedreader.readLine(); //将书签重新添加到树节点上 DefaultMutableTreeNode treenode=new DefaultMutableTreeNode(temp); root.add(treenode); jtree.updateUI(); bookmarklist.addURL(temp, content); } bufferedreader.close(); filereader.close(); }catch(IOException event){ event.printStackTrace(); JOptionPane.showMessageDialog(MainUI.this, "书签文件打开失败,可能是文件已丢失!","Think 提示您:",JOptionPane.ERROR_MESSAGE); } //设置窗口关闭监听事件 this.addWindowListener(new WindowState()); this.addWindowStateListener(new WindowState()); setNewPage(0, urladdress); } //获得url地址的内容 public String getContent(String urladdress) { String linesep; String line=""; String tempsource=""; linesep=System.getProperty("line.separator"); try { //用输入输出流读取URL对象 URL source=new URL(urladdress); URLConnection urlconnection=source.openConnection(); String encoding=urlconnection.getContentEncoding(); System.out.println(encoding); InputStream inputstream=urlconnection.getInputStream(); //由于有的网页使用的字符集不同，导致有的网页源代码打开的时候出现乱码 //此时utf-8可以使用，但是会导致保存之后的网页 //在别的浏览器中打开的时候，依然是乱码 InputStreamReader inputstreamreader=new InputStreamReader(inputstream,"utf-8"); BufferedReader bufferedreader=new BufferedReader(inputstreamreader); while((line=bufferedreader.readLine())!=null) { tempsource=tempsource+line+linesep; } //关闭流 inputstream.close(); bufferedreader.close(); } catch (IOException e) { e.printStackTrace(); } return tempsource; } //重设页面 public void setNewPage(int flag,String urladdress) { String temp=getContent(urladdress); String title=getTitle(temp); try { urlfield.setText(urladdress); webpagepane.setEditable(false); webpagepane.setPage(urladdress); if(historylist.isPrePageNameExist(title)) { back.setEnabled(true); } if(historylist.isNextPageNameExist(title)) { forward.setEnabled(true); } urlfield.repaint(); webpagepane.repaint(); } catch (IOException e) { e.printStackTrace(); } // 添加进历史链表 if(flag==0) { historylist.addURL(title,urladdress); } webpagepane.addHyperlinkListener(new HTMLView()); } //获取网页标题 public String getTitle(String htmlcontent) { String temp=""; String regex="<[Tt][Ii][Tt][Ll][Ee]>([^]*)"; Pattern pat = Pattern.compile(regex); Matcher match = pat.matcher(htmlcontent); while (match.find()) { int start = match.start(); int end = match.end(); temp = htmlcontent.substring(start+7, end-1); } return temp; } //退出时处理书签文件的保存 public void savebookmarklist() { File savefile=new File("BookMarkList.txt"); String linesep=System.getProperty("line.separator"); try{ FileWriter filewriter=new FileWriter(savefile); BufferedWriter bufferedwriter=new BufferedWriter(filewriter); //将bookmarklist链表里面保存的记录一次写入文件 String temppagename=""; String tempurladdress=""; PageNode head=bookmarklist.getPageNode().getNext(); while(head!=null) { //读取链表里面的内容 temppagename=head.getPagename(); temppagename=temppagename+linesep; tempurladdress=head.getUrl(); tempurladdress=tempurladdress+linesep; bufferedwriter.write(temppagename); bufferedwriter.write(tempurladdress); head=head.getNext(); } bufferedwriter.close(); filewriter.close(); }catch(IOException event){ JOptionPane.showMessageDialog(MainUI.this, "书签列表保存失败!","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } // 处理事件的类 private class Action implements ActionListener { @Override public void actionPerformed(ActionEvent e) { // 处理菜单事件 if (e.getSource() == newwindow) { // 生成新窗体 ThinkFrame core=new ThinkFrame(); } // 打开文件,由于不会解析HTML文件，只能以源代码的形式读出来了 if (e.getSource() == openfile) { openfilechooser.setDialogTitle("打开"); openfilechooser.setDialogType(JFileChooser.OPEN_DIALOG); int result = openfilechooser.showOpenDialog(MainUI.this); File fileopen=openfilechooser.getSelectedFile(); String openfilename=fileopen.getPath(); System.out.println(openfilename); if (result == JFileChooser.APPROVE_OPTION) { // 从硬盘目录下读取文件 try{ FileReader filereader=new FileReader(openfilename); BufferedReader bufferedreader=new BufferedReader(filereader); String temp=""; String content=""; String linesep=System.getProperty("line.separator"); while((temp=bufferedreader.readLine())!=null) { content=content+temp+linesep; } bufferedreader.close(); filereader.close(); urlfield.setText(openfilename); urlfield.revalidate(); webpagepane.setText(content); webpagepane.revalidate(); }catch(IOException event){ event.printStackTrace(); JOptionPane.showMessageDialog(MainUI.this, "试图打开源代码文件失败!","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } } // 页面另存为 if (e.getSource() == saveas) { urladdress = urlfield.getText().toString().trim(); //设置弹出对话框类型 saveasfilechooser.setDialogTitle("另存为..."); saveasfilechooser.setDialogType(JFileChooser.SAVE_DIALOG); int result = saveasfilechooser.showSaveDialog(MainUI.this); //获取文件名 File filesave=saveasfilechooser.getSelectedFile(); String savefilename=filesave.getPath(); savefilename=savefilename+".html"; if (result == JFileChooser.APPROVE_OPTION) { try{ //将文件存盘 String temp=getContent(urladdress); FileWriter filewriter=new FileWriter(savefilename); BufferedWriter bufferedwriter=new BufferedWriter(filewriter); bufferedwriter.write(temp); bufferedwriter.close(); filewriter.close(); }catch(IOException event){ JOptionPane.showMessageDialog(MainUI.this, "Web页面保存失败!","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } } // 退出浏览器 if (e.getSource() == quit) { if (JOptionPane.showConfirmDialog(MainUI.this, "确定要退出吗？", "Think 提示您:", JOptionPane.OK_CANCEL_OPTION) == 0) { //退出时将书签记录写入文件 savebookmarklist(); System.exit(0); } else { // Do Nothing } } // 查看源代码 if (e.getSource() == sourcecode) { urladdress = urlfield.getText().toString().trim(); if (urladdress.length() > 0 && !urladdress.startsWith("http://")) { urladdress = "http://"+urladdress; } if(!urladdress.equals("")) { String temp=getContent(urladdress); String title=getTitle(temp); temp=getContent(urladdress); //建立源代码窗体对象 JMPWindow viewsourcecode=new JMPWindow(title,temp); viewsourcecode.setVisible(true); } else if (urladdress.length() == 0) { JOptionPane.showMessageDialog(MainUI.this, "对不起,你输入了空地址,这是非法操作！","Think 提示您:",JOptionPane.WARNING_MESSAGE); } } // 添加页面到书签 if (e.getSource() == addbookmark) { urladdress = urlfield.getText().toString().trim(); String temp=getContent(urladdress); String title=getTitle(temp); if(title!=""&&urladdress!="") { if (bookmarklist.isPageNameExist(title) == false) { bookmarklist.addURL(title,urladdress); System.out.println("书签"); System.out.println(title); System.out.println(urladdress); //生成收藏夹窗口对象 AddBookMark addbookmarkdone=new AddBookMark(title,urladdress,false); addbookmarkdone.setVisible(true); DefaultMutableTreeNode node=new DefaultMutableTreeNode(title); root.add(node); jtree.updateUI(); } else if(bookmarklist.isPageNameExist(title) == true) { AddBookMark addbookmarkdone=new AddBookMark(title,urladdress,true); addbookmarkdone.setVisible(true); } } else { JOptionPane.showMessageDialog(MainUI.this, "添加书签标题或者网址不能为空！","Think 提示您:",JOptionPane.WARNING_MESSAGE); } } // 打开帮助文档 if (e.getSource() == help) { // 待写一个chm格式的文档 JMPWindow viewhelp=new JMPWindow(); viewhelp.setVisible(true); } // 打开关于窗口 if (e.getSource() == about) { JOptionPane.showMessageDialog(MainUI.this, "Think version 0.1" + "/n" + "谢谢您的使用!", "关于 Think", JOptionPane.INFORMATION_MESSAGE); } // 单击书签按钮事件：显示/隐藏 if(e.getSource()==bookmark) { if(splitPane.getDividerLocation()==250) { splitPane.setDividerLocation(0); } else { splitPane.setDividerLocation(250); } } // 后退事件 if (e.getSource() == back) { urladdress = urlfield.getText().toString().trim(); try { // 获得历史链表中的前一个URL地址 String pagename=""; if(historylist.isPrePageNameExist(urladdress)) { pagename= historylist.getPrePageName(pagename); urladdress=historylist.getURL(pagename); MainUI.this.setNewPage(1,urladdress); } }catch (Exception event) { event.printStackTrace(); JOptionPane.showMessageDialog(MainUI.this, "网络连接失败！","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } // 前进事件 if (e.getSource() == forward) { urladdress = urlfield.getText().toString().trim(); try { String pagename=""; if(historylist.isNextPageNameExist(urladdress)) { // 获得历史链表中的下一个URL地址 pagename= historylist.getNextPageName(pagename); System.out.println(pagename); urladdress=historylist.getURL(pagename); MainUI.this.setNewPage(1,urladdress); } } catch (Exception event) { event.printStackTrace(); JOptionPane.showMessageDialog(MainUI.this, "网络连接失败！","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } //停止事件 if (e.getSource() == stop) { //将页面置空 urladdress = ""; MainUI.this.setNewPage(1,urladdress); } // 刷新事件 if (e.getSource() == refresh) { urladdress = urlfield.getText().toString().trim(); MainUI.this.setNewPage(1,urladdress); } // 回到主页 if (e.getSource() == home) { urladdress = "http://www.baidu.com"; MainUI.this.setNewPage(0,urladdress); } // 单击go或者回车事件 if ((e.getSource() == go) || (e.getSource() == urlfield)) { urladdress = urlfield.getText().toString().trim(); if (urladdress.length() > 0 && urladdress.startsWith("http://")) { MainUI.this.setNewPage(0,urladdress); } else if (urladdress.length() > 0 && !urladdress.startsWith("http://")) { urladdress = "http://"+urladdress; MainUI.this.setNewPage(0,urladdress); } else if (urladdress.length() == 0) { JOptionPane.showMessageDialog(MainUI.this, "对不起,你输入了空地址,这是非法操作！","Think 提示您:",JOptionPane.WARNING_MESSAGE); } } } } // 实现HyperlinkListener方法,实现页面内的超链接 private class HTMLView implements HyperlinkListener { @Override public void hyperlinkUpdate(HyperlinkEvent event) { if (event.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { JEditorPane pane = (JEditorPane) event.getSource(); if (event instanceof HTMLFrameHyperlinkEvent) { //处理超链接 HTMLFrameHyperlinkEvent htmlframehyperlinkevent = (HTMLFrameHyperlinkEvent) event; HTMLDocument htmldocument = (HTMLDocument) pane.getDocument(); htmldocument.processHTMLFrameHyperlinkEvent(htmlframehyperlinkevent); } else { try { String linkurl = event.getURL().toString(); String temp=getContent(linkurl); String title=getTitle(temp); pane.setPage(linkurl); pane.setEditable(false); urlfield.setText(linkurl); urlfield.revalidate(); pane.invalidate(); webpagepane.addHyperlinkListener(new HTMLView()); historylist.addURL(title,linkurl); } catch (IOException t) { t.printStackTrace(); JOptionPane.showMessageDialog(MainUI.this, "网络连接失败！","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } } } } //键盘监听事件类 private class KeyAction extends KeyAdapter { public void keyPressed(KeyEvent e) { char key=e.getKeyChar(); //按下回车键 if(key=='/n') { urladdress = urlfield.getText().toString().trim(); if (urladdress.length() > 0 && urladdress.startsWith("http://")) { MainUI.this.setNewPage(0,urladdress); } else if (urladdress.length() > 0 && !urladdress.startsWith("http://")) { urladdress = "http://"+urladdress; MainUI.this.setNewPage(0,urladdress); } else if (urladdress.length() == 0) { JOptionPane.showMessageDialog(MainUI.this, "对不起,你输入了空地址,这是非法操作！","Think 提示您:",JOptionPane.WARNING_MESSAGE); } } } } //监听树节点改变的事件 private class TreeNodeChange implements TreeSelectionListener { @Override public void valueChanged(TreeSelectionEvent e) { JTree tree=(JTree)e.getSource(); DefaultMutableTreeNode selectednode=(DefaultMutableTreeNode)tree.getLastSelectedPathComponent(); String nodename=selectednode.toString(); if(selectednode.isLeaf()) { if(bookmarklist.isPageNameExist(nodename)) { //获取节点名字 String tempurl=bookmarklist.getURL(nodename); setNewPage(0,tempurl); } else if(nodename.equalsIgnoreCase("主页")) { String tempurl="http://www.baidu.com"; setNewPage(0,tempurl); } } } } //鉴定窗口大小改变的类 private class WindowState extends WindowAdapter { public void windowClosing(WindowEvent e) { if (JOptionPane.showConfirmDialog(MainUI.this, "确定要退出吗？", "Think 提示您:", JOptionPane.OK_CANCEL_OPTION) == 0) { //退出时将书签记录写入文件 savebookmarklist(); System.exit(0); } else { // Do Nothing } } public void windowStateChanged(WindowEvent e) { splitPane.setDividerSize(0); } } }  

/* * Name:JMPWindow.java * Writer:bitsjx * Date:2009-12-07 * Time:00:20 * Function:Use class MainUI to implement a JMPWindow GUI * */ package ui; import java.awt.AWTEvent; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; public class JMPWindow extends JFrame implements ActionListener { //面板容器 JPanel contentpane; //两个单独的面板 JPanel textpanel=new JPanel(); JPanel buttonpanel=new JPanel(); //声明文本区域用于显示源代码 JTextArea textarea=new JTextArea(); JScrollPane scrollpane=new JScrollPane(); //保存和关闭按钮 JButton closebutton=new JButton("关闭"); JButton savebutton=new JButton("保存"); //源文件 String sourcecode=""; //页面名称 String pageName=""; public JMPWindow() { //设置窗口属性 this.enableEvents(AWTEvent.WINDOW_EVENT_MASK); this.setSize(new Dimension(800,600)); this.setTitle("帮助"); this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); //添加面板 contentpane=(JPanel)getContentPane(); contentpane.setLayout(new BorderLayout()); scrollpane.getViewport().add(textarea); textpanel.setLayout(new BorderLayout()); textpanel.add(scrollpane,BorderLayout.CENTER); contentpane.add(textpanel,BorderLayout.CENTER); //设置按钮区域 buttonpanel.setLayout(new FlowLayout()); buttonpanel.add(closebutton); closebutton.setFocusable(true); contentpane.add(buttonpanel,BorderLayout.SOUTH); String linesep=""; linesep=System.getProperty("line.separator"); String readme=""; String temp=""; try { //读取readme文件 File readmefile=new File("readme.txt"); FileReader filereader; filereader = new FileReader(readmefile); BufferedReader bufferedreader=new BufferedReader(filereader); while((temp=bufferedreader.readLine())!=null) { readme=readme+temp+linesep; } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { JOptionPane.showMessageDialog(JMPWindow.this,"读取帮助文件出错！","Think 提示您:",JOptionPane.ERROR_MESSAGE); } //readme不可编辑 this.textarea.setEditable(false); this.textarea.setText(readme); closebutton.addActionListener(this); } public JMPWindow(String title,String urladdress) { //设置窗口属性 this.enableEvents(AWTEvent.WINDOW_EVENT_MASK); this.sourcecode=urladdress; this.setSize(new Dimension(800,600)); this.setTitle("源代码"); this.pageName=title; this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); //添加面板 contentpane=(JPanel)getContentPane(); contentpane.setLayout(new BorderLayout()); scrollpane.getViewport().add(textarea); textpanel.setLayout(new BorderLayout()); textpanel.add(scrollpane,BorderLayout.CENTER); contentpane.add(textpanel,BorderLayout.CENTER); //设置按钮区域 buttonpanel.setLayout(new FlowLayout()); buttonpanel.add(savebutton); savebutton.setFocusable(true); buttonpanel.add(closebutton); closebutton.setFocusable(false); contentpane.add(buttonpanel,BorderLayout.SOUTH); this.textarea.setEditable(false); this.textarea.setText(sourcecode); savebutton.addActionListener(this); closebutton.addActionListener(this); } //响应按钮事件 @Override public void actionPerformed(ActionEvent e) { String url=""; if(e.getSource()==closebutton) { dispose(); } else if(e.getSource()==savebutton) { //若单击保存按钮，则弹出保存对话框 JFileChooser filechooser=new JFileChooser(); filechooser.setDialogType(JFileChooser.SAVE_DIALOG); int returnvalue=filechooser.showSaveDialog(JMPWindow.this); File savefile=filechooser.getSelectedFile(); String savefilename=savefile.getPath(); savefilename=savefilename+".html"; try{ FileWriter filewriter=new FileWriter(savefilename); BufferedWriter bufferedwriter=new BufferedWriter(filewriter); bufferedwriter.write(textarea.getText()); bufferedwriter.close(); filewriter.close(); }catch(IOException event){ JOptionPane.showMessageDialog(JMPWindow.this, "保存失败!","Think 提示您:",JOptionPane.ERROR_MESSAGE); } } } } 

/* * Name:AddBookMark.java * Writer:bitsjx * Date:2009-12-07 * Time:00:20 * Function:Use class MainUI to implement a AddBookMark GUI * */ package ui; import java.awt.AWTEvent; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; public class AddBookMark extends JFrame implements ActionListener { //定义组件 JPanel contentpane; //添加文本区域的面板 JPanel textpanel=new JPanel(); //添加按钮的面板 JPanel buttonpanel=new JPanel(); //名称、地址 JLabel namelabel=new JLabel("名称"); JLabel addresslabel=new JLabel("地址"); //显示名称和地址的文本框 JTextField nametext=new JTextField(20); JTextField addresstext=new JTextField(20); //确定、取消按钮 JButton OKbuuton=new JButton("确定"); JButton Cancelbuuton=new JButton("取消"); //isExist用于判断是否已经存在书签项 boolean isExist=false; public AddBookMark(String title,String urladdress,boolean isExist) { //设置窗口属性 setLocationRelativeTo(null); setResizable(false); setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); this.enableEvents(AWTEvent.WINDOW_EVENT_MASK); this.setSize(new Dimension(300,150)); this.setTitle(" 收藏夹"); this.isExist=isExist; //设置窗体属性 contentpane=(JPanel)this.getContentPane(); contentpane.setLayout(new BorderLayout()); textpanel.setLayout(new FlowLayout()); textpanel.add(namelabel); textpanel.add(nametext); nametext.setEnabled(true); nametext.setText(title); nametext.setFocusable(true); textpanel.add(addresslabel); textpanel.add(addresstext); addresstext.setEditable(true); addresstext.setText(urladdress); buttonpanel.setLayout(new FlowLayout()); buttonpanel.add(OKbuuton); OKbuuton.setFocusable(false); buttonpanel.add(Cancelbuuton); Cancelbuuton.setFocusable(false); contentpane.add(textpanel,BorderLayout.CENTER); contentpane.add(buttonpanel,BorderLayout.SOUTH); OKbuuton.addActionListener(this); Cancelbuuton.addActionListener(this); } //响应按钮事件 @Override public void actionPerformed(ActionEvent e) { if(e.getSource()==Cancelbuuton) { dispose(); } if(e.getSource()==OKbuuton) { //如果存在了书签项 if(this.isExist==true) { if (JOptionPane.showConfirmDialog(AddBookMark.this, "项目已存在，是否覆盖?", "Think 提示您:", JOptionPane.OK_CANCEL_OPTION)==0) { } } dispose(); } } } 

/* * Name:PageList.java * Writer:bitsjx * Date:2009-12-07 * Time:00:26 * Function:Construct a LinkList to save History and BookMarks Nodes * */ package core; public class PageList { //头节点 private PageNode head; //自由节点 private PageNode link; //记录当前的节点所在位置 private PageNode linkpointer; public PageList() { head=new PageNode(); link=head; linkpointer=head; } //添加新的页面到链表 public void addURL(String pagename,String urladdress) { PageNode node=new PageNode(); link=head; while(link.getNext()!=null) { link=link.getNext(); } node.setPagename(pagename); node.setUrl(urladdress); link.setNext(node); node.setPre(link); node.setNext(null); linkpointer=node; } //获得链表头 public PageNode getPageNode() { return this.head; } //查找某个pagename对应的URL public String getURL(String pagename) { link=head; String url=""; while(!((link.getNext()).getPagename()).equalsIgnoreCase(pagename)) { link=link.getNext(); } url=(link.getNext()).getUrl(); linkpointer=link; return url; } //获取某个URL对应的pagename public String getPageName(String urladdress) { link=head; String pagename=""; while(!(link.getNext().getUrl()).equalsIgnoreCase(urladdress)) { link=link.getNext(); } pagename=link.getNext().getPagename(); linkpointer=link; return pagename; } //获取当前pagename的前一个pagename public String getPrePageName(String pagename) { link=linkpointer.getPre(); linkpointer=link; return link.getPagename(); } //获取当前pagename的下一个pagename public String getNextPageName(String pagename) { link=linkpointer.getNext(); linkpointer=link; return link.getPagename(); } //查找某个pagename地址是否存在 public boolean isPageNameExist(String pagename) { link=this.head.getNext(); //标记是否找到 boolean isfind=false; String pageName=""; while(link!=null) { pageName=link.getPagename(); if(pageName.equalsIgnoreCase(pagename)) { isfind=true; break; } link=link.getNext(); } System.out.println("查找本页结果:"+isfind); return isfind; } //判断某个pagename的前一个pagename是否存在 public boolean isPrePageNameExist(String pagename) { boolean isfind=false; link=head; link=linkpointer.getPre(); if(link!=null&&link!=head) { isfind=true; } System.out.println("查找前页结果:"+isfind); return isfind; } //判断某个pagename的后一个pagename是否存在 public boolean isNextPageNameExist(String pagename) { boolean isfind=false; link=head; link=linkpointer.getNext(); if(link!=null) { isfind=true; } System.out.println("查找后页结果:"+isfind); return isfind; } }  

/* * Name:PageNode.java * Writer:bitsjx * Date:2009-12-07 * Time:00:20 * Function:implement a Node of LinkList * */ package core; public class PageNode { //页面的名称 private String pagename=""; //url为网址实例 private String url=""; //next为后一个节点 private PageNode next=null; //pre为前一个节点 private PageNode pre=null; //get、set方法 public String getPagename() { return pagename; } public void setPagename(String pagename) { this.pagename = pagename; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } public PageNode getNext() { return next; } public void setNext(PageNode next) { this.next = next; } public PageNode getPre() { return pre; } public void setPre(PageNode pre) { this.pre = pre; } //重写默认构造函数 public PageNode() { this.pagename=""; this.url=""; this.next=null; this.pre=null; } //自定义构造函数 public PageNode(String pagename,String urladdress) { this.pagename=pagename; this.url=urladdress; this.next=null; this.pre=null; } }  

/* * Name:ThinkFrame.java * Writer:bitsjx * Date:2009-12-07 * Time:00:20 * Function:Use class MainUI to implement a GUI * */ package core; import ui.MainUI; import javax.swing.JOptionPane; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel; public class ThinkFrame { public ThinkFrame() { //设置窗口外观 try { UIManager.setLookAndFeel(new com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel()); } catch (UnsupportedLookAndFeelException e) { e.printStackTrace(); } catch (Exception e){ e.printStackTrace(); JOptionPane.showMessageDialog(new MainUI(), "GUI初始化失败！","Think 提示您:",JOptionPane.ERROR_MESSAGE); } MainUI ui=new MainUI(); ui.pack(); ui.setVisible(true); } public static void main(String[] args) { ThinkFrame core=new ThinkFrame(); } }  

时间算是久远了，好多都忘了，大致上就是这样的了，欢迎拍砖哈！

贴图