如果你想在Java應用中嵌入一個功能強大的文字編輯器，那么XDocBuilder可能是最好的選擇
1、免費
2、格式豐富，可以處理段落、文字、圖形、圖片、圖表、表格等
3、文件格式支持豐富：xdoc、docx、pdf、rtf、doc、htm、txt、swf、svg等
4、標準格式xdoc是一個簡單的xml文本
5、包依賴少，只有一個包是必須的
6、嵌入簡單，它只是一個JComponent
7、API功能強大：打開、編輯、打印、格式轉換等

程序庫：

api文檔：

http://www.hgsql.com/XDocApi/index.html

在線：

http://www.hgsql.com/XDocBuilder.asp

例子：

Java代碼  

1. import java.awt.BorderLayout;  
2. import java.awt.Container;  
3. import java.awt.event.ActionEvent;  
4. import java.awt.event.ActionListener;  
5. import java.awt.event.WindowEvent;  
6. import java.awt.event.WindowListener;  
7. import java.io.File;  
8.   
9. import javax.swing.JButton;  
10. import javax.swing.JFrame;  
11. import javax.swing.JOptionPane;  
12. import javax.swing.JToolBar;  
13. import javax.swing.UIManager;  
14.   
15. import com.hg.xdoc.XDocBuilder;  
16. import com.hg.xdoc.XDocIO;  
17.   
18. /** 
19.  * XDocBuilder嵌入測試 
20.  * @author xdoc 
21.  */  
22. public class XDocBuilderTest {  
23.     private static XDocBuilder builder;  
24.     /** 
25.      * @param args 
26.      */  
27.     public static void main(String[] args) {  
28.         try {  
29.             UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());  
30.             //獲取XDocBuilder實例  
31.             builder = new XDocBuilder();  
32.             JFrame frame = new JFrame("XDocBuilder嵌入測試");  
33.             //將XDocBuilder放入面板中  
34.             frame.getContentPane().add(builder, BorderLayout.CENTER);  
35.             JToolBar bar = new JToolBar("工具條");  
36.             JButton btn = new JButton("新建");  
37.             btn.addActionListener(new ActionListener() {  
38.                 public void actionPerformed(ActionEvent e) {  
39.                     //新建  
40.                     builder.create();  
41.                 }  
42.             });  
43.             btn = new JButton("打開");  
44.             btn.addActionListener(new ActionListener() {  
45.                 public void actionPerformed(ActionEvent e) {  
46.                     //打開  
47.                     builder.open();  
48.                     //builder.open("http://www.hgsql.com/down/XDocIntro.xdoc", XDocIO.READ_FORMAT_XDOC);  
49.                 }  
50.             });  
51.             bar.add(btn);  
52.             btn = new JButton("查看XML");  
53.             btn.addActionListener(new ActionListener() {  
54.                 public void actionPerformed(ActionEvent e) {  
55.                     //顯示XML內容  
56.                     try {  
57.                         JOptionPane.showMessageDialog(null, builder.getXml());  
58.                     } catch (Exception e1) {  
59.                         JOptionPane.showMessageDialog(null, e1.getMessage());  
60.                     }  
61.                 }  
62.             });  
63.             bar.add(btn);  
64.             btn = new JButton("保存");  
65.             btn.addActionListener(new ActionListener() {  
66.                 public void actionPerformed(ActionEvent e) {  
67.                     //保存當前文件  
68.                     builder.save();  
69.                 }  
70.             });  
71.             bar.add(btn);  
72.             btn = new JButton("全部保存");  
73.             btn.addActionListener(new ActionListener() {  
74.                 public void actionPerformed(ActionEvent e) {  
75.                     for (int i = 0; i < builder.getXDocCount(); i++) {  
76.                         //選擇第i個文件  
77.                         builder.activeXDoc(i);  
78.                         //保存  
79.                         builder.save();  
80.                         //builder.save("xdox" + i + ".rtf", XDocIO.WRITE_FORMAT_PDF);  
81.                     }  
82.                 }  
83.             });  
84.             bar.add(btn);  
85.             btn = new JButton("關閉");  
86.             btn.addActionListener(new ActionListener() {  
87.                 public void actionPerformed(ActionEvent e) {  
88.                     //關閉當前文件  
89.                     builder.close();  
90.                 }  
91.             });  
92.             bar.add(btn);  
93.             btn = new JButton("打印");  
94.             btn.addActionListener(new ActionListener() {  
95.                 public void actionPerformed(ActionEvent e) {  
96.                     builder.print();  
97.                 }  
98.             });  
99.             bar.add(btn);  
100.             btn = new JButton("直接打印");  
101.             btn.addActionListener(new ActionListener() {  
102.                 public void actionPerformed(ActionEvent e) {  
103.                     //打印到指定打印機  
104.                     builder.print("HG JPD 虛擬打印機");  
105.                 }  
106.             });  
107.             bar.add(btn);  
108.             btn = new JButton("關于");  
109.             btn.addActionListener(new ActionListener() {  
110.                 public void actionPerformed(ActionEvent e) {  
111.                     builder.about();  
112.                 }  
113.             });  
114.             bar.add(btn);  
115.             Container content = frame.getContentPane();  
116.             content.add(bar, BorderLayout.NORTH);  
117.             frame.setSize(800, 600);  
118.             frame.setVisible(true);  
119.             frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);  
120.             frame.addWindowListener(new WindowListener() {  
121.                 public void windowOpened(WindowEvent e) {}  
122.                 public void windowClosing(WindowEvent e) {  
123.                     //frame關閉時做處理  
124.                     for (int i = 0; i < builder.getXDocCount(); i++) {  
125.                         try {  
126.                             XDocIO.write(builder.getXDoc(i), new File("c:/xdoc" + i + ".xdoc"));  
127.                         } catch (Exception e1) {  
128.                             JOptionPane.showMessageDialog(null, e1.getMessage());  
129.                         }  
130.                     }  
131.                     System.exit(0);  
132.                 }  
133.                 public void windowClosed(WindowEvent e) {}  
134.                 public void windowIconified(WindowEvent e) {}  
135.                 public void windowDeiconified(WindowEvent e) {}  
136.                 public void windowActivated(WindowEvent e) {}  
137.                 public void windowDeactivated(WindowEvent e) {}  
138.             });  
139.             frame.setExtendedState(JFrame.MAXIMIZED_BOTH);  
140.         } catch (Exception e) {  
141.             JOptionPane.showMessageDialog(null, e.getMessage());  
142.         }  
143.     }  
144. }  

 運行效果：

From: http://xdoc.iteye.com/blog/1126216