参考《java课程设计—案例精编》清华大学出版社
1.WebBrowser.java主类
1
2import java.io.BufferedInputStream;
3import java.io.BufferedReader;
4import java.io.BufferedWriter;
5import java.io.File;
6import java.io.FileWriter;
7import java.io.IOException;
8import java.io.InputStream;
9import java.io.InputStreamReader;
10import java.net.URL;
11import java.util.ArrayList;
12import java.util.logging.Level;
13import java.util.logging.Logger;
14import javax.swing.JFileChooser;
15import javax.swing.JFrame;
16import javax.swing.JOptionPane;
17
18
/**//*
19
* WebBrowser.java
20 *
21 * Created on 2008年4月12日, 下午3:47
22
*/
23import javax.swing.event.HyperlinkEvent;
24
25
26
27/** *//**
28 *
29 * @author wangliang
30 */
31public class WebBrowser extends javax.swing.JFrame 
{
32 private ArrayList history;
33 private int historyIndex;
34 String htmlSource;
35
36
37
/** *//** Creates new form WebBrowser */
38 public WebBrowser() {
39 setTitle("网页浏览器");
40 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
41 initComponents();
42 history=new ArrayList();
43 htmlSource="";
44
45
}
46
47 /** *//** This method is called from within the constructor to
48 * initialize the form.
49 * WARNING: Do NOT modify this code. The content of this method is
50 * always regenerated by the Form Editor.
51 */
52 // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
53 private void initComponents() {
54
55 jToolBar1 = new javax.swing.JToolBar();
56 jButton1 = new javax.swing.JButton();
57 jButton2 = new javax.swing.JButton();
58 jButton3 = new javax.swing.JButton();
59 jButton4 = new javax.swing.JButton();
60 jButton5 = new javax.swing.JButton();
61 jLabel1 = new javax.swing.JLabel();
62 jTextField1 = new javax.swing.JTextField();
63 jButton6 = new javax.swing.JButton();
64 jScrollPane1 = new javax.swing.JScrollPane();
65 jEditorPane1 = new javax.swing.JEditorPane();
66 jMenuBar1 = new javax.swing.JMenuBar();
67 jMenu1 = new javax.swing.JMenu();
68 jMenuItem1 = new javax.swing.JMenuItem();
69 jMenuItem7 = new javax.swing.JMenuItem();
70 jMenu2 = new javax.swing.JMenu();
71 jMenuItem2 = new javax.swing.JMenuItem();
72 jMenuItem3 = new javax.swing.JMenuItem();
73 jMenu3 = new javax.swing.JMenu();
74 jMenuItem5 = new javax.swing.JMenuItem();
75 jMenuItem6 = new javax.swing.JMenuItem();
76
77 jToolBar1.setRollover(true);
78
79 jButton1.setText("另存为");
80 jButton1.setFocusable(false);
81 jButton1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
82 jButton1.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
83 jButton1.addActionListener(new java.awt.event.ActionListener() {
84 public void actionPerformed(java.awt.event.ActionEvent evt) {
85 jButton1ActionPerformed(evt);
86 }
87 });
88 jToolBar1.add(jButton1);
89
90 jButton2.setText("后退");
91 jButton2.setFocusable(false);
92 jButton2.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
93 jButton2.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
94 jButton2.addActionListener(new java.awt.event.ActionListener() {
95 public void actionPerformed(java.awt.event.ActionEvent evt) {
96 jButton2ActionPerformed(evt);
97 }
98 });
99 jToolBar1.add(jButton2);
100
101 jButton3.setText("前进");
102 jButton3.setFocusable(false);
103 jButton3.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
104 jButton3.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
105 jButton3.addActionListener(new java.awt.event.ActionListener() {
106 public void actionPerformed(java.awt.event.ActionEvent evt) {
107 jButton3ActionPerformed(evt);
108 }
109 });
110 jToolBar1.add(jButton3);
111
112 jButton4.setText("查看源代码");
113 jButton4.setFocusable(false);
114 jButton4.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
115 jButton4.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
116 jButton4.addActionListener(new java.awt.event.ActionListener() {
117 public void actionPerformed(java.awt.event.ActionEvent evt) {
118 jButton4ActionPerformed(evt);
119 }
120 });
121 jToolBar1.add(jButton4);
122
123 jButton5.setText("退出");
124 jButton5.setFocusable(false);
125 jButton5.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
126 jButton5.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
127 jButton5.addActionListener(new java.awt.event.ActionListener() {
128 public void actionPerformed(java.awt.event.ActionEvent evt) {
129 jButton5ActionPerformed(evt);
130 }
131 });
132 jToolBar1.add(jButton5);
133
134 jLabel1.setText("地址");
135
136 jTextField1.addActionListener(new java.awt.event.ActionListener() {
137 public void actionPerformed(java.awt.event.ActionEvent evt) {
138 jTextField1ActionPerformed(evt);
139 }
140 });
141
142 jButton6.setText("转到");
143 jButton6.addActionListener(new java.awt.event.ActionListener() {
144 public void actionPerformed(java.awt.event.ActionEvent evt) {
145 jButton6ActionPerformed(evt);
146 }
147 });
148
149 jEditorPane1.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
150 public void hyperlinkUpdate(javax.swing.event.HyperlinkEvent evt) {
151 jEditorPane1HyperlinkUpdate(evt);
152 }
153 });
154 jScrollPane1.setViewportView(jEditorPane1);
155
156 jMenu1.setText("文件(F)");
157 jMenu1.addActionListener(new java.awt.event.ActionListener() {
158 public void actionPerformed(java.awt.event.ActionEvent evt) {
159 jMenu1ActionPerformed(evt);
160 }
161 });
162
163 jMenuItem1.setText("另存为");
164 jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
165 public void actionPerformed(java.awt.event.ActionEvent evt) {
166 jMenuItem1ActionPerformed(evt);
167 }
168 });
169 jMenu1.add(jMenuItem1);
170
171 jMenuItem7.setText("退出");
172 jMenuItem7.addActionListener(new java.awt.event.ActionListener() {
173 public void actionPerformed(java.awt.event.ActionEvent evt) {
174 jMenuItem7ActionPerformed(evt);
175 }
176 });
177 jMenu1.add(jMenuItem7);
178
179 jMenuBar1.add(jMenu1);
180
181 jMenu2.setText("编辑(E)");
182
183 jMenuItem2.setText("后退");
184 jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
185 public void actionPerformed(java.awt.event.ActionEvent evt) {
186 jMenuItem2ActionPerformed(evt);
187 }
188 });
189 jMenu2.add(jMenuItem2);
190
191 jMenuItem3.setText("前进");
192 jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
193 public void actionPerformed(java.awt.event.ActionEvent evt) {
194 jMenuItem3ActionPerformed(evt);
195 }
196 });
197 jMenu2.add(jMenuItem3);
198
199 jMenuBar1.add(jMenu2);
200
201 jMenu3.setText("视图(V)");
202
203 jMenuItem5.setText("查看源码");
204 jMenuItem5.addActionListener(new java.awt.event.ActionListener() {
205 public void actionPerformed(java.awt.event.ActionEvent evt) {
206 jMenuItem5ActionPerformed(evt);
207 }
208 });
209 jMenu3.add(jMenuItem5);
210
211 jMenuItem6.setText("刷新");
212 jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
213 public void actionPerformed(java.awt.event.ActionEvent evt) {
214 jMenuItem6ActionPerformed(evt);
215 }
216 });
217 jMenu3.add(jMenuItem6);
218
219 jMenuBar1.add(jMenu3);
220
221 setJMenuBar(jMenuBar1);
222
223 javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
224 getContentPane().setLayout(layout);
225 layout.setHorizontalGroup(
226 layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
227 .addComponent(jToolBar1, javax.swing.GroupLayout.DEFAULT_SIZE, 685, Short.MAX_VALUE)
228 .addGroup(layout.createSequentialGroup()
229 .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 52, javax.swing.GroupLayout.PREFERRED_SIZE)
230 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
231 .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 537, javax.swing.GroupLayout.PREFERRED_SIZE)
232 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
233 .addComponent(jButton6, javax.swing.GroupLayout.PREFERRED_SIZE, 72, javax.swing.GroupLayout.PREFERRED_SIZE)
234 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
235 .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 685, Short.MAX_VALUE)
236 );
237 layout.setVerticalGroup(
238 layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
239 .addGroup(layout.createSequentialGroup()
240 .addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
241 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
242 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
243 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
244 .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
245 .addComponent(jButton6))
246 .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
247 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
248 .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 334, Short.MAX_VALUE))
249 );
250
251 pack();
252 }// </editor-fold>//GEN-END:initComponents
253
254 private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed
255 String url=jTextField1.getText();
256 if(url.length()>0&&!url.startsWith("http://")){
257 url="http://"+url;
258 }
259 if(!url.equals("")){
260 saveFile(url);
261 }
262 else {
263 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
264 }
265 }//GEN-LAST:event_jMenuItem1ActionPerformed
266
267 private void jMenu1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenu1ActionPerformed
268 // TODO add your handling code here:
269 }//GEN-LAST:event_jMenu1ActionPerformed
270
271 private void jMenuItem7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem7ActionPerformed
272 System.exit(0);
273 }//GEN-LAST:event_jMenuItem7ActionPerformed
274
275 private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed
276 historyIndex--;
277 if(historyIndex<0){
278 historyIndex=0;
279 }
280 String url=jTextField1.getText();
281 try{
282 url=(String)history.get(historyIndex);
283 jEditorPane1.setPage(url);
284 jTextField1.setText(url.toString());
285 jEditorPane1.revalidate();
286 }
287 catch(Exception ex){
288
289 }
290 }//GEN-LAST:event_jMenuItem2ActionPerformed
291
292 private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem3ActionPerformed
293 historyIndex++;
294 if(historyIndex>=history.size()){
295 historyIndex=history.size()-1;
296 }
297 String url=jTextField1.getText();
298 try{
299 url=(String)history.get(historyIndex);
300 jEditorPane1.setPage(url);
301 jTextField1.setText(url.toString());
302 jEditorPane1.revalidate();
303 }
304 catch(Exception ex){
305
306 }
307 }//GEN-LAST:event_jMenuItem3ActionPerformed
308
309 private void jMenuItem5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem5ActionPerformed
310 // TODO add your handling code here:
311 String url="";
312 url=jTextField1.getText().trim();
313 if(url.length()>0&&!url.startsWith("http://")){
314 url="http://"+url;
315 }
316 if(url!=""){
317 getHtmlSource(url);
318 ViewSourceFrame vsframe=new ViewSourceFrame(htmlSource);
319 vsframe.setBounds(0, 0, 800, 500);
320 vsframe.setVisible(true);
321 }
322 else {
323 JOptionPane.showMessageDialog(WebBrowser.this, "请输入网址","网页浏览器",JOptionPane.ERROR_MESSAGE);
324 }
325 }//GEN-LAST:event_jMenuItem5ActionPerformed
326
327 private void jMenuItem6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem6ActionPerformed
328 // TODO add your handling code here:
329 String url="";
330 url=jTextField1.getText().trim();
331 if(url.length()>0&&!url.startsWith("http://")){
332 url="http://"+url;
333 }
334 if(url!=""){
335 try {
336 jEditorPane1.setPage(url);
337 jEditorPane1.setEditable(false);
338 jEditorPane1.revalidate();
339 } catch (IOException ex) {
340 Logger.getLogger(WebBrowser.class.getName()).log(Level.SEVERE, null, ex);
341 }
342
343 }
344 }//GEN-LAST:event_jMenuItem6ActionPerformed
345
346 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
347 String url=jTextField1.getText();
348 if(url.length()>0&&!url.startsWith("http://")){
349 url="http://"+url;
350 }
351 if(!url.equals("")){
352 saveFile(url);
353 }
354 else {
355 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
356 }
357
358 }//GEN-LAST:event_jButton1ActionPerformed
359
360 private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
361 historyIndex--;
362 if(historyIndex<0){
363 historyIndex=0;
364 }
365 String url=jTextField1.getText();
366 try{
367 url=(String)history.get(historyIndex);
368 jEditorPane1.setPage(url);
369 jTextField1.setText(url.toString());
370 jEditorPane1.revalidate();
371 }
372 catch(Exception ex){
373
374 }
375 }//GEN-LAST:event_jButton2ActionPerformed
376
377 private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
378 historyIndex++;
379 if(historyIndex>=history.size()){
380 historyIndex=history.size()-1;
381 }
382 String url=jTextField1.getText();
383 try{
384 url=(String)history.get(historyIndex);
385 jEditorPane1.setPage(url);
386 jTextField1.setText(url.toString());
387 jEditorPane1.revalidate();
388 }
389 catch(Exception ex){
390
391 }
392 }//GEN-LAST:event_jButton3ActionPerformed
393
394 private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
395 // TODO add your handling code here:
396 String url="";
397 url=jTextField1.getText().trim();
398 if(url.length()>0&&!url.startsWith("http://")){
399 url="http://"+url;
400 }
401 if(url!=""){
402 getHtmlSource(url);
403 ViewSourceFrame vsframe=new ViewSourceFrame(htmlSource);
404 vsframe.setBounds(0, 0, 800, 500);
405 vsframe.setVisible(true);
406 }
407 else {
408 JOptionPane.showMessageDialog(WebBrowser.this, "请输入网址","网页浏览器",JOptionPane.ERROR_MESSAGE);
409 }
410 }//GEN-LAST:event_jButton4ActionPerformed
411
412 private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
413 System.exit(0);
414 }//GEN-LAST:event_jButton5ActionPerformed
415
416 private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed
417 String url="";
418 url=jTextField1.getText().trim();
419 if(url.length()>0&&url.startsWith("http://")){
420 try{
421 jEditorPane1.setPage(url);
422 history.add(url);
423 historyIndex=history.size()-1;
424 jEditorPane1.setEditable(false);
425 jEditorPane1.revalidate();
426 }
427 catch(Exception ex){
428 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
429 }
430 }
431 else if(url.length()>0&&!url.startsWith("http://")){
432 url="http://"+url;
433 try{
434 jEditorPane1.setPage(url);
435 history.add(url);
436 historyIndex=history.size()-1;
437 jEditorPane1.setEditable(false);
438 jEditorPane1.revalidate();
439 }
440 catch(Exception ex){
441 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
442 }
443 }
444 else{
445 JOptionPane.showMessageDialog(WebBrowser.this, "请输入网址","网页浏览器",JOptionPane.ERROR_MESSAGE);
446 }
447
448 }//GEN-LAST:event_jTextField1ActionPerformed
449
450 private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
451 String url="";
452 url=jTextField1.getText();
453 if(url.length()>0&&url.startsWith("http://")){
454
455 try{
456 jEditorPane1.setPage(url);
457 history.add(url);
458 historyIndex=history.size()-1;
459 jEditorPane1.setEditable(false);
460 jEditorPane1.revalidate();
461 }
462 catch(Exception ex){
463 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
464 }
465 }
466 else if(url.length()>0&&!url.startsWith("http://")){
467 url="http://"+url;
468 try{
469 jEditorPane1.setPage(url);
470 history.add(url);
471 historyIndex=history.size()-1;
472 jEditorPane1.setEditable(false);
473 jEditorPane1.revalidate();
474 }
475 catch(Exception ex){
476 JOptionPane.showMessageDialog(WebBrowser.this, "无法打开该搜索网页","网页浏览器",JOptionPane.ERROR_MESSAGE);
477 }
478 }
479 else{
480 JOptionPane.showMessageDialog(WebBrowser.this, "请输入网址","网页浏览器",JOptionPane.ERROR_MESSAGE);
481 }
482 }//GEN-LAST:event_jButton6ActionPerformed
483
484 private void jEditorPane1HyperlinkUpdate(javax.swing.event.HyperlinkEvent evt) {//GEN-FIRST:event_jEditorPane1HyperlinkUpdate
485 try {
486
487 if(evt.getEventType()==HyperlinkEvent.EventType.ACTIVATED){
488 String url=evt.getURL().toString();
489 jEditorPane1.setPage(url);
490 jTextField1.setText(url);
491 history.add(url);
492 historyIndex=history.size()-1;
493 jEditorPane1.setEditable(false);
494 jEditorPane1.revalidate();
495
496 }
497
498 } catch (IOException ex) {
499 Logger.getLogger(WebBrowser.class.getName()).log(Level.SEVERE, null, ex);
500 }
501
502 }//GEN-LAST:event_jEditorPane1HyperlinkUpdate
503
504 void getHtmlSource(String url){
505 String linesep,htmlLine;
506 linesep=System.getProperty("line.separator");
507 try{
508 URL source=new URL(url);
509 InputStream in=new BufferedInputStream(source.openStream());
510 BufferedReader br=new BufferedReader(new InputStreamReader(in));
511 while((htmlLine=br.readLine())!=null){
512 htmlSource=htmlSource+htmlLine+linesep;
513 }
514 }
515 catch(java.net.MalformedURLException muex){
516 JOptionPane.showMessageDialog(WebBrowser.this, muex.toString(),"网页浏览器",JOptionPane.INFORMATION_MESSAGE);
517 }
518 catch(Exception ex){
519 JOptionPane.showMessageDialog(WebBrowser.this, ex.toString(),"网页浏览器",JOptionPane.INFORMATION_MESSAGE);
520 }
521 }
522
523 void saveFile(final String url){
524 final String linesep=System.getProperty("line.separator");
525 final JFileChooser chooser=new JFileChooser();
526 chooser.setDialogType(JFileChooser.SAVE_DIALOG);
527 chooser.setDialogTitle("另存为");
528 if(chooser.showSaveDialog(this)!=JFileChooser.APPROVE_OPTION)
529 return;
530 this.repaint();
531 Thread thread=new Thread(){
532 public void run(){
533 try{
534 java.net.URL source=new URL(url);
535 InputStream in=new BufferedInputStream(source.openStream());
536 BufferedReader br=new BufferedReader(new InputStreamReader(in));
537 File fileName=chooser.getSelectedFile();
538 FileWriter out=new FileWriter(fileName);
539 BufferedWriter bw=new BufferedWriter(out);
540 String line;
541 while((line=br.readLine())!=null){
542 bw.write(line);
543 bw.newLine();
544 }
545 bw.flush();
546 bw.close();
547 String dMessage=url+"已经被保存"+linesep+fileName.getAbsolutePath();
548 String dTitle="另存为";
549 JOptionPane.showMessageDialog(WebBrowser.this, dMessage,dTitle,JOptionPane.INFORMATION_MESSAGE);
550 }
551 catch(java.net.MalformedURLException muex){
552 JOptionPane.showMessageDialog(WebBrowser.this, muex.toString(),"网页浏览器",JOptionPane.INFORMATION_MESSAGE);
553 }
554 catch(Exception ex){
555 JOptionPane.showMessageDialog(WebBrowser.this, ex.toString(),"网页浏览器",JOptionPane.INFORMATION_MESSAGE);
556 }
557 }
558
559 };
560 thread.start();
561 }
562
563
564 /** *//**
565 * @param args the command line arguments
566 */
567 public static void main(String args[]) {
568 java.awt.EventQueue.invokeLater(new Runnable() {
569 public void run() {
570 new WebBrowser().setVisible(true);
571 }
572 });
573 }
574
575 // Variables declaration - do not modify//GEN-BEGIN:variables
576 private javax.swing.JButton jButton1;
577 private javax.swing.JButton jButton2;
578 private javax.swing.JButton jButton3;
579 private javax.swing.JButton jButton4;
580 private javax.swing.JButton jButton5;
581 private javax.swing.JButton jButton6;
582 private javax.swing.JEditorPane jEditorPane1;
583 private javax.swing.JLabel jLabel1;
584 private javax.swing.JMenu jMenu1;
585 private javax.swing.JMenu jMenu2;
586 private javax.swing.JMenu jMenu3;
587 private javax.swing.JMenuBar jMenuBar1;
588 private javax.swing.JMenuItem jMenuItem1;
589 private javax.swing.JMenuItem jMenuItem2;
590 private javax.swing.JMenuItem jMenuItem3;
591 private javax.swing.JMenuItem jMenuItem5;
592 private javax.swing.JMenuItem jMenuItem6;
593 private javax.swing.JMenuItem jMenuItem7;
594 private javax.swing.JScrollPane jScrollPane1;
595 private javax.swing.JTextField jTextField1;
596 private javax.swing.JToolBar jToolBar1;
597 // End of variables declaration//GEN-END:variables
598
599}
600
2.ViewSourceFrame.java显示源代码
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.JFileChooser;
/**//*
* ViewSourceFrame.java
*
* Created on 2008年4月12日, 下午10:25
*/
import javax.swing.JOptionPane;
/** *//**
*
* @author wangliang
*/
public class ViewSourceFrame extends javax.swing.JFrame {
String htmlSource;
/** *//** Creates new form ViewSourceFrame */
public ViewSourceFrame(String htmlSource) {
setTitle("源代码");
this.htmlSource=htmlSource;
initComponents();
jTextArea1.setEditable(true);
jTextArea1.setText(htmlSource);
jTextArea1.setCaretPosition(0);
}
/** *//** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
jButton1.setText("保存");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("退出");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 713, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addGap(265, 265, 265)
.addComponent(jButton1)
.addGap(58, 58, 58)
.addComponent(jButton2)
.addContainerGap(272, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 421, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton2)
.addComponent(jButton1)))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
dispose();
}//GEN-LAST:event_jButton2ActionPerformed
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
JFileChooser fc=new JFileChooser();
int returnVal=fc.showSaveDialog(ViewSourceFrame.this);
if(fc.showSaveDialog(this)!=JFileChooser.APPROVE_OPTION)
return;
File saveFile=fc.getSelectedFile();
try{
FileWriter writeOut=new FileWriter(saveFile);
writeOut.write(jTextArea1.getText());
writeOut.close();
}
catch(IOException ex){
JOptionPane.showMessageDialog(this, ex.toString(),"网页代码",JOptionPane.INFORMATION_MESSAGE);
}
}//GEN-LAST:event_jButton1ActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
// End of variables declaration//GEN-END:variables
}
可运行的jar文件
/Files/littlefermat/webBrowser.rar