java代码doc转pdf提高效率的方法
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发布时间：2022-04-23 09:35
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热心网友
时间：2023-09-18 05:07
001 package experiments;
002
003 import com.jacob.activeX.ActiveXComponent;
004 import com.jacob.com.Dispatch;
005 import com.jacob.com.DispatchEvents;
006 import com.jacob.com.Variant;
007 import java.io.File;
008 import java.util.logging.Level;
009 import java.util.logging.Logger;
010
011 public class Doc2Pdf {
012
013 public static Converter newConverter(String name) {
014 if (name.equals("wps")) {
015 return new Wps();
016 } else if (name.equals("pdfcreator")) {
017 return new PdfCreator();
018 }
019 return null;
020 }
021
022 public synchronized static boolean convert(String word, String pdf) {
023 return newConverter("pdfcreator").convert(word, pdf);
024 }
025
026 public static interface Converter {
027
028 public boolean convert(String word, String pdf);
029 }
030
031 public static class Wps implements Converter {
032
033 public synchronized boolean convert(String word, String pdf) {
034 File pdfFile = new File(pdf);
035 File wordFile = new File(word);
036 ActiveXComponent wps = null;
037 try {
038 wps = new ActiveXComponent("wps.application");
039 ActiveXComponent doc = wps.invokeGetComponent("Documents").invokeGetComponent("Open", newVariant(wordFile.getAbsolutePath()));
040 doc.invoke("ExportPdf", new Variant(pdfFile.getAbsolutePath()));
041 doc.invoke("Close");
042 doc.safeRelease();
043 } catch (Exception ex) {
044 Logger.getLogger(Doc2Pdf.class.getName()).log(Level.SEVERE, null, ex);
045 return false;
046 } catch (Error ex) {
047 Logger.getLogger(Doc2Pdf.class.getName()).log(Level.SEVERE, null, ex);
048 return false;
049 } finally {
050 if (wps != null) {
051 wps.invoke("Terminate");
052 wps.safeRelease();
053 }
054 }
055 return true;
056 }
057 }
058
059 public static class PdfCreator implements Converter {
060
061 public static final int STATUS_IN_PROGRESS = 2;
062 public static final int STATUS_WITH_ERRORS = 1;
063 public static final int STATUS_READY = 0;
064 private ActiveXComponent pdfCreator;
065 private DispatchEvents dispatcher;
066 private volatile int status;
067 private Variant defaultPrinter;
068
069 private void init() {
070 pdfCreator = new ActiveXComponent("PDFCreator.clsPDFCreator");
071 dispatcher = new DispatchEvents(pdfCreator, this);
072 pdfCreator.setProperty("cVisible", new Variant(false));
073 pdfCreator.invoke("cStart", new Variant[]{newVariant("/NoProcessingAtStartup"), new Variant(true)});
074 setCOption("UseAutosave", 1);
075 setCOption("UseAutosaveDirectory", 1);
076 setCOption("AutosaveFormat", 0); // 0 = PDF
077 defaultPrinter = pdfCreator.getProperty("cDefaultPrinter");
078 status = STATUS_IN_PROGRESS;
079 pdfCreator.setProperty("cDefaultprinter", "PDFCreator");
080 pdfCreator.invoke("cClearCache");
081 pdfCreator.setProperty("cPrinterStop", false);
082 }
083
084 private void setCOption(String property, Object value) {
085 Dispatch.invoke(pdfCreator, "cOption", Dispatch.Put, new Object[]{property, value}, new int[2]);
086 }
087
088 private void close() {
089 if (pdfCreator != null) {
090 pdfCreator.setProperty("cDefaultprinter", defaultPrinter);
091 pdfCreator.invoke("cClearCache");
092 pdfCreator.setProperty("cPrinterStop", true);
093 pdfCreator.invoke("cClose");
094 pdfCreator.safeRelease();
095 pdfCreator = null;
096 }
097 if (dispatcher != null) {
098 dispatcher.safeRelease();
099 dispatcher = null;
100 }
101 }
102
103 public synchronized boolean convert(String word, String pdf) {
104 File pdfFile = new File(pdf);
105 File wordFile = new File(word);
106 try {
107 init();
108 setCOption("AutosaveDirectory", pdfFile.getParentFile().getAbsolutePath());
109 if (pdfFile.exists()) {
110 pdfFile.delete();
111 }
112 pdfCreator.invoke("cPrintfile", wordFile.getAbsolutePath());
113 int seconds = 0;
114 while (isInProcess()) {
115 seconds++;
116 if (seconds > 30) { // timeout
117 throw new Exception("convertion timeout!");
118 }
119 Thread.sleep(1000);
120 }
121 if (isWithErrors()) return false;
122 // 由于转换前设置cOption的AutosaveFilename不能保证输出的文件名与设置的相同（pdfcreator会加入/修改后缀名）
123 // 所以这里让pdfcreator使用自动生成的文件名进行输出，然后在保存后将其重命名为目标文件名
124 File outputFile = newFile(pdfCreator.getPropertyAsString("cOutputFilename"));
125 if (outputFile.exists()) {
126 outputFile.renameTo(pdfFile);
127 }
128 } catch (InterruptedException ex) {
129 Logger.getLogger(Doc2Pdf.class.getName()).log(Level.SEVERE, null, ex);
130 return false;
131 } catch (Exception ex) {
132 Logger.getLogger(Doc2Pdf.class.getName()).log(Level.SEVERE, null, ex);
133 return false;
134 } catch (Error ex) {
135 Logger.getLogger(Doc2Pdf.class.getName()).log(Level.SEVERE, null, ex);
136 return false;
137 } finally {
138 close();
139 }
140 return true;
141 }
142
143 private boolean isInProcess() {
144 return status == STATUS_IN_PROGRESS;
145 }
146
147 private boolean isWithErrors() {
148 return status == STATUS_WITH_ERRORS;
149 }
150
151 // eReady event
152 public void eReady(Variant[] args) {
153 status = STATUS_READY;
154 }
155
156 // eError event
157 public void eError(Variant[] args) {
158 status = STATUS_WITH_ERRORS;
159 }
160 }
161
162 public static void main(String[] args) {
163 convert("e:\\test.doc", "e:\\output.pdf");
164 }
165 }追问我用的是word
热心网友
时间：2023-09-18 05:07
热心网友
时间：2023-09-18 05:07
