java实现word,ppt,excel,jpg转pdf_JAVA_编程开发_程序员俱乐部

?word，excel，jpeg 转 pdf

首先下载相关jar包：http://download.csdn.net/detail/xu281828044/6922499

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class="dp-j" style="border: none; color: #5c5c5c; margin-bottom: 1px !important; margin-left: 45px !important; background-color: #ffffff;">
1. import?java.io.File;??
2. import?java.io.FileOutputStream;??
3. import?java.io.IOException;??
4. ??
5. import?com.jacob.activeX.ActiveXComponent;??
6. import?com.jacob.com.Dispatch;??
7. import?com.jacob.com.Variant;??
8. import?com.lowagie.text.Document;??
9. import?com.lowagie.text.DocumentException;??
10. import?com.lowagie.text.Image;??
11. import?com.lowagie.text.PageSize;??
12. import?com.lowagie.text.pdf.PdfWriter;??
13. ??
14. public?class?Word2Pdf?{??
15. ??
16. ?static?final?int?wdDoNotSaveChanges?=?0;//?不保存待定的更改。??
17. ?static?final?int?wdFormatPDF?=?17;//?word转PDF?格式??
18. ?static?final?int?ppSaveAsPDF?=?32;//?ppt?转PDF?格式??
19. ??
20. ?public?static?void?main(String[]?args)?throws?IOException?{??
21. ??String?source1?=?"e:\\test.doc";??
22. ??String?source2?=?"e:\\asd.xlsx";??
23. ??String?source3?=?"e:\\aa.ppt";??
24. ??String?target1?=?"e:\\test1.pdf";??
25. ??String?target2?=?"e:\\test2.pdf";??
26. ??String?target3?=?"e:\\test3.pdf";??
27. ????
28. ??Word2Pdf?pdf?=?new?Word2Pdf();??
29. //??pdf.word2pdf(source1,?target1);??
30. //??pdf.excel2pdf(source2,?target2);??
31. //??pdf.ppt2pdf(source3,?target3);??
32. //??pdf.imgToPdf("e:/12345.jpg","e:/xu.pdf");??
33. ?}??
34. ??
35. ?public?void?word2pdf(String?source,String?target){??
36. ??System.out.println("启动Word");??
37. ??long?start?=?System.currentTimeMillis();??
38. ??ActiveXComponent?app?=?null;??
39. ??try?{??
40. ???app?=?new?ActiveXComponent("Word.Application");??
41. ???app.setProperty("Visible",?false);??
42. ??
43. ???Dispatch?docs?=?app.getProperty("Documents").toDispatch();??
44. ???System.out.println("打开文档"?+?source);??
45. ???Dispatch?doc?=?Dispatch.call(docs,//??
46. ?????"Open",?//??
47. ?????source,//?FileName??
48. ?????false,//?ConfirmConversions??
49. ?????true?//?ReadOnly??
50. ?????).toDispatch();??
51. ??
52. ???System.out.println("转换文档到PDF?"?+?target);??
53. ???File?tofile?=?new?File(target);??
54. ???if?(tofile.exists())?{??
55. ????tofile.delete();??
56. ???}??
57. ???Dispatch.call(doc,//??
58. ?????"SaveAs",?//??
59. ?????target,?//?FileName??
60. ?????wdFormatPDF);??
61. ??
62. ???Dispatch.call(doc,?"Close",?false);??
63. ???long?end?=?System.currentTimeMillis();??
64. ???System.out.println("转换完成..用时："?+?(end?-?start)?+?"ms.");??
65. ??}?catch?(Exception?e)?{??
66. ???System.out.println("========Error:文档转换失败："?+?e.getMessage());??
67. ??}?finally?{??
68. ???if?(app?!=?null)??
69. ????app.invoke("Quit",?wdDoNotSaveChanges);??
70. ??}??
71. ?}??
72. ??
73. ?public?void?ppt2pdf(String?source,String?target){??
74. ??System.out.println("启动PPT");??
75. ??long?start?=?System.currentTimeMillis();??
76. ??ActiveXComponent?app?=?null;??
77. ??try?{??
78. ???app?=?new?ActiveXComponent("Powerpoint.Application");??
79. ???Dispatch?presentations?=?app.getProperty("Presentations").toDispatch();??
80. ???System.out.println("打开文档"?+?source);??
81. ???Dispatch?presentation?=?Dispatch.call(presentations,//??
82. ?????"Open",???
83. ?????source,//?FileName??
84. ?????true,//?ReadOnly??
85. ?????true,//?Untitled?指定文件是否有标题。??
86. ?????false?//?WithWindow?指定文件是否可见。??
87. ?????).toDispatch();??
88. ??
89. ???System.out.println("转换文档到PDF?"?+?target);??
90. ???File?tofile?=?new?File(target);??
91. ???if?(tofile.exists())?{??
92. ????tofile.delete();??
93. ???}??
94. ???Dispatch.call(presentation,//??
95. ?????"SaveAs",?//??
96. ?????target,?//?FileName??
97. ?????ppSaveAsPDF);??
98. ??
99. ???Dispatch.call(presentation,?"Close");??
100. ???long?end?=?System.currentTimeMillis();??
101. ???System.out.println("转换完成..用时："?+?(end?-?start)?+?"ms.");??
102. ??}?catch?(Exception?e)?{??
103. ???System.out.println("========Error:文档转换失败："?+?e.getMessage());??
104. ??}?finally?{??
105. ???if?(app?!=?null)?app.invoke("Quit");??
106. ??}??
107. ?}??
108. ??
109. ?public?void?excel2pdf(String?source,?String?target)?{??
110. ??????System.out.println("启动Excel");??
111. ??????long?start?=?System.currentTimeMillis();??
112. ??????ActiveXComponent?app?=?new?ActiveXComponent("Excel.Application");?//?启动excel(Excel.Application)??
113. ??????try?{??
114. ??????app.setProperty("Visible",?false);??
115. ??????Dispatch?workbooks?=?app.getProperty("Workbooks").toDispatch();??
116. ??????System.out.println("打开文档"?+?source);??
117. ??????Dispatch?workbook?=?Dispatch.invoke(workbooks,?"Open",?Dispatch.Method,?new?Object[]{source,?new?Variant(false),new?Variant(false)},?new?int[3]).toDispatch();??
118. ??????Dispatch.invoke(workbook,?"SaveAs",?Dispatch.Method,?new?Object[]?{??
119. ??????target,?new?Variant(57),?new?Variant(false),??
120. ??????new?Variant(57),?new?Variant(57),?new?Variant(false),??
121. ??????new?Variant(true),?new?Variant(57),?new?Variant(true),??
122. ??????new?Variant(true),?new?Variant(true)?},?new?int[1]);??
123. ??????Variant?f?=?new?Variant(false);??
124. ??????System.out.println("转换文档到PDF?"?+?target);??
125. ??????Dispatch.call(workbook,?"Close",?f);??
126. ??????long?end?=?System.currentTimeMillis();??
127. ??????System.out.println("转换完成..用时："?+?(end?-?start)?+?"ms.");??
128. ??????}?catch?(Exception?e)?{??
129. ???????System.out.println("========Error:文档转换失败："?+?e.getMessage());??
130. ??????}finally?{??
131. ???????if?(app?!=?null){??
132. ????????app.invoke("Quit",?new?Variant[]?{});??
133. ???????}??
134. ??????}??
135. ?}??
136. ???
137. ???
138. ???
139. ?public?boolean?imgToPdf(String?imgFilePath,?String?pdfFilePath)throws?IOException?{??
140. ?????File?file=new?File(imgFilePath);??
141. ?????if(file.exists()){??
142. ?????Document?document?=?new?Document();??
143. ?????FileOutputStream?fos?=?null;??
144. ?????try?{??
145. ?????fos?=?new?FileOutputStream(pdfFilePath);??
146. ?????PdfWriter.getInstance(document,?fos);??
147. ??
148. ?????//?添加PDF文档的某些信息，比如作者，主题等等??
149. ?????document.addAuthor("arui");??
150. ?????document.addSubject("test?pdf.");??
151. ?????//?设置文档的大小??
152. ?????document.setPageSize(PageSize.A4);??
153. ?????//?打开文档??
154. ?????document.open();??
155. ?????//?写入一段文字??
156. ?????//document.add(new?Paragraph("JUST?TEST?..."));??
157. ?????//?读取一个图片??
158. ?????Image?image?=?Image.getInstance(imgFilePath);??
159. ?????float?imageHeight=image.getScaledHeight();??
160. ?????float?imageWidth=image.getScaledWidth();??
161. ?????int?i=0;??
162. ?????while(imageHeight>500||imageWidth>500){??
163. ?????image.scalePercent(100-i);??
164. ?????i++;??
165. ?????imageHeight=image.getScaledHeight();??
166. ?????imageWidth=image.getScaledWidth();??
167. ?????System.out.println("imageHeight->"+imageHeight);??
168. ?????System.out.println("imageWidth->"+imageWidth);??
169. ?????}??
170. ??
171. ?????image.setAlignment(Image.ALIGN_CENTER);???
172. //????????//设置图片的绝对位置??
173. ?????//?image.setAbsolutePosition(0,?0);??
174. ?????//?image.scaleAbsolute(500,?400);??
175. ?????//?插入一个图片??
176. ?????document.add(image);??
177. ?????}?catch?(DocumentException?de)?{??
178. ?????System.out.println(de.getMessage());??
179. ?????}?catch?(IOException?ioe)?{??
180. ?????System.out.println(ioe.getMessage());??
181. ?????}??
182. ?????document.close();??
183. ?????fos.flush();??
184. ?????fos.close();??
185. ?????return?true;??
186. ?????}else{??
187. ?????return?false;??
188. ?????}??
189. ?????}??
190. }??