Java 实现的简易浏览器（Think浏览器的实现）

来源：互联网发布：linux 网络共享编辑：程序博客网时间：2024/05/17 03:47

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URLString 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]>([^</[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 {@Overridepublic 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 {@Overridepublic 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 {@Overridepublic 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@Overridepublic 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@Overridepublic 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URLpublic 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pagenamepublic 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pagenamepublic String getPrePageName(String pagename){link=linkpointer.getPre();linkpointer=link;return link.getPagename();}//获取当前pagename的下一个pagenamepublic 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