使用jacob调用Windows的com对象，转换Office文件为pdf、html等

1、介绍

3、转换word为pdf、html、txt 的示例

package com.shanhy.demo.windowsoffice;

import java.io.File;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

/**
 *
 * 将jacob.dll放入JDK的bin目录下
 * 把jacob.jar放入项目的buildPath中（web项目放到WEB-INF\lib目录下）
 * 
 * @author 单红宇
 *
 */
public class ConvertToPdf {

	// WORD 转换文档格式参数值：17为pdf，8为html，2为txt（支持的格式不限与此，其他格式暂为列出）
	static final int wdFormatPDF = 17;// PDF 格式
	static final int wdFormatHTML = 8;// HTML 格式
	static final int wdFormatTXT = 2;// TXT 格式

	/**
	 * Word文档转换
	 * 
	 * @param fromfileName
	 * @param toFileName
	 * @author SHANHY
	 */
	public void wordConvert(String fromfileName, String toFileName) {
		System.out.println("启动Word...");
		ComThread.InitSTA();  
		
		long start = System.currentTimeMillis();
		ActiveXComponent app = null;
		Dispatch doc = null;
		try {
			app = new ActiveXComponent("Word.Application");//创建一个word对象
			app.setProperty("Visible", new Variant(false)); //不可见打开word
			app.setProperty("AutomationSecurity", new Variant(3)); //禁用宏
			Dispatch docs = app.getProperty("Documents").toDispatch();//获取文挡属性
			
			System.out.println("打开文档 >>> " + fromfileName);
			//Object[]第三个参数是表示“是否只读方式打开”
			doc = Dispatch.invoke(docs, "Open", Dispatch.Method, 
					new Object[] { fromfileName, new Variant(false), new Variant(true) }, new int[1]).toDispatch();
			File tofile = new File(toFileName);
			if (tofile.exists()) {
				tofile.delete();
			}
			int formatValue = -1;
			if(toFileName.toLowerCase().endsWith(".pdf")){
				formatValue = wdFormatPDF;
			}else if(toFileName.toLowerCase().endsWith(".html")){
				formatValue = wdFormatHTML;
			}else if(toFileName.toLowerCase().endsWith(".txt")){
				formatValue = wdFormatTXT;
			}else{
				formatValue = -1;
			}
			if(formatValue != -1){
				System.out.println("转换文档 ["+fromfileName+"] >>> ["+toFileName+"]"); 
				Dispatch.invoke(doc, "SaveAs", Dispatch.Method, 
						new Object[] { toFileName, new Variant(formatValue) }, new int[1]);
			}else{
				System.out.println("转换文件到目标文档不被支持！["+fromfileName+"] >>> ["+toFileName+"]"); 
			}
			
			long end = System.currentTimeMillis();
			
			System.out.println("用时：" + (end - start) + "ms.");
		} catch (Exception e) {
			e.printStackTrace();
			System.out.println("========Error:文档转换失败：" + e.getMessage());
		} finally {
			Dispatch.call(doc, "Close", false);
			System.out.println("关闭文档");
			if (app != null)
				app.invoke("Quit", new Variant[] {});
		}
		// 如果没有这句话,winword.exe进程将不会关闭
		ComThread.Release();  
        ComThread.quitMainSTA();  
	}
	
	/**
	 * PPT(PowerPoint)文档转换
	 * 
	 * @param fromfileName
	 * @param toFileName
	 * @author SHANHY
	 */
	public void pptConvert(String fromfileName, String toFileName) {
		System.out.println("启动PPT...");
		ComThread.InitSTA();  
		
		long start = System.currentTimeMillis();
		ActiveXComponent app = null;
		Dispatch doc = null;
		try {
			app = new ActiveXComponent("Word.Application");//创建一个word对象
			app.setProperty("Visible", new Variant(false)); //不可见打开word
			app.setProperty("AutomationSecurity", new Variant(3)); //禁用宏
			Dispatch docs = app.getProperty("Documents").toDispatch();//获取文挡属性
			
			System.out.println("打开文档 >>> " + fromfileName);
			//Object[]第三个参数是表示“是否只读方式打开”
			doc = Dispatch.invoke(docs, "Open", Dispatch.Method, 
					new Object[] { fromfileName, new Variant(false), new Variant(true) }, new int[1]).toDispatch();
			File tofile = new File(toFileName);
			if (tofile.exists()) {
				tofile.delete();
			}
			int formatValue = -1;
			if(toFileName.toLowerCase().endsWith(".pdf")){
				formatValue = wdFormatPDF;
			}else if(toFileName.toLowerCase().endsWith(".html")){
				formatValue = wdFormatHTML;
			}else if(toFileName.toLowerCase().endsWith(".txt")){
				formatValue = wdFormatTXT;
			}else{
				formatValue = -1;
			}
			if(formatValue != -1){
				System.out.println("转换文档 ["+fromfileName+"] >>> ["+toFileName+"]"); 
				Dispatch.invoke(doc, "SaveAs", Dispatch.Method, 
						new Object[] { toFileName, new Variant(formatValue) }, new int[1]);
			}else{
				System.out.println("转换文件到目标文档不被支持！["+fromfileName+"] >>> ["+toFileName+"]"); 
			}
			
			long end = System.currentTimeMillis();
			
			System.out.println("用时：" + (end - start) + "ms.");
		} catch (Exception e) {
			e.printStackTrace();
			System.out.println("========Error:文档转换失败：" + e.getMessage());
		} finally {
			Dispatch.call(doc, "Close", false);
			System.out.println("关闭文档");
			if (app != null)
				app.invoke("Quit", new Variant[] {});
		}
		// 如果没有这句话,winword.exe进程将不会关闭
		ComThread.Release();  
		ComThread.quitMainSTA();  
	}

	public static void main(String[] args) {
		ConvertToPdf d = new ConvertToPdf();
		d.wordConvert("g:\\test.docx", "g:\\test.pdf");
	}

}

import com.jacob.activeX.ActiveXComponent; 
import com.jacob.com.Variant; 
import com.jacob.com.Dispatch; 

public class Word { 

    String strDir = "c:jacob_1.9"; 
    String strInputDoc = strDir + "file_in.doc"; 
    String strOutputDoc = strDir + "file_out.doc"; 
    String strOldText = "[label:import:1]"; 
    String strNewText = 
            "I am some horribly long sentence, so long that [insert anything]"; 
    boolean isVisible = true; 
    boolean isSaveOnExit = true; 

    public Word() { 
        ActiveXComponent oWord = new ActiveXComponent("Word.Application"); 
        oWord.setProperty("Visible", new Variant(isVisible)); 
        Dispatch oDocuments = oWord.getProperty("Documents").toDispatch(); 
        Dispatch oDocument = Dispatch.call(oDocuments, "Open", strInputDoc). 
                             toDispatch(); 
        Dispatch oSelection = oWord.getProperty("Selection").toDispatch(); 
        Dispatch oFind = oWord.call(oSelection, "Find").toDispatch(); 
        Dispatch.put(oFind, "Text", strOldText); 
        Dispatch.call(oFind, "Execute"); 
        Dispatch.put(oSelection, "Text", strNewText); 
        Dispatch.call(oSelection, "MoveDown"); 
        Dispatch.put(oSelection, "Text", 
                     "nSo we got the next line including BR.n"); 

        Dispatch oFont = Dispatch.get(oSelection, "Font").toDispatch(); 
        Dispatch.put(oFont, "Bold", "1"); 
        Dispatch.put(oFont, "Italic", "1"); 
        Dispatch.put(oFont, "Underline", "0"); 

        Dispatch oAlign = Dispatch.get(oSelection, "ParagraphFormat"). 
                          toDispatch(); 
        Dispatch.put(oAlign, "Alignment", "3"); 
        Dispatch oWordBasic = (Dispatch) Dispatch.call(oWord, "WordBasic"). 
                              getDispatch(); 
        Dispatch.call(oWordBasic, "FileSaveAs", strOutputDoc); 
        Dispatch.call(oDocument, "Close", new Variant(isSaveOnExit)); 
        oWord.invoke("Quit", new Variant[0]); 
    } 

    public static void main(String[] args) { 
        Word word = new Word(); 
    } 
} 

部分内容参考： http://www.cnblogs.com/vulcans/archive/2009/09/08/1562588.html

使用jacob调用Windows的com对象，转换Office文件为pdf、html等

原文：http://blog.csdn.net/catoop/article/details/43150671