一乘陪、 Jacob 環(huán)境配置

① 下載Office套件

② 下載Jacob-1.1.8.jar包

鏈接：https://sourceforge.net/projects/jacob-project/

解壓后獲得3個(gè)文件：
   jacob.jar
   jacob-1.1.8-x64.dll
   jacob-1.1.8-x86.dll
   （dll文件：Java應(yīng)用程序中調(diào)用COM組件和Win32程序庫(kù)）

③ 拷貝dll文件

根據(jù)JDK的版本（32位/64位）佳遂，選擇對(duì)應(yīng)版本的dll文件，將文件拷貝到%JAVA_HOME%\jre\bin目錄下
    
例：C:\Program Files\Java\jdk1.8.0_121\bin\jacob-1.18-x64.dll 

④ 項(xiàng)目中引用jacob.jar

二、Jacob示例

word/excel/ppt 轉(zhuǎn) PDF

import java.io.File;

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

/**
 * COM組件[Word\Excel\PPT]轉(zhuǎn)換PDF 轉(zhuǎn)換器
 * @author Seven
 *
 */
public class PdfConverter {
    
    /**
     * 轉(zhuǎn)換類型
     */
    public static final int TYPE_WORD = 0;
    public static final int TYPE_EXCEL = 1;
    public static final int TYPE_PPT = 2;
    
    /**
     * 轉(zhuǎn)換類型
     */
    public static  Integer converterType ;
    /**
     * 源文件(路徑 + 文件名)
     */
    public static  String  source;
    /**
     * 目標(biāo)文件(路徑 + 文件名)
     */
    public static  String  dest;
    
    
    public static void main(String[] args) {
        
        try {
            init(); //初始化參數(shù)配置
            converter();//啟動(dòng)轉(zhuǎn)換功能
        } catch (Exception e) {
            e.printStackTrace();
        }
        
    }
    
    private static void init(){
        converterType = PdfConverter.TYPE_PPT;
        source = "C:\\Users\\Seven\\Desktop\\測(cè)試demo.pptx" ;
        dest = "C:\\Users\\Seven\\Desktop\\測(cè)試demo.pdf" ;
    }
    
    private static void converter() throws Exception{
        File file = new File(source);
        
        if(!file.exists()){
            throw new Exception("轉(zhuǎn)換文件不存在");
        }
        
        switch(converterType){
            case TYPE_WORD :
                word2Pdf(source,dest);
                break;
            case TYPE_EXCEL :
                excel2Pdf(source,dest);
                break;
            case TYPE_PPT :
                ppt2Pdf(source,dest);
                break;
            default:
                throw new Exception("文件轉(zhuǎn)換類型不存在");
        }
    }

    public static void word2Pdf(String sourcePath, String destPath)
            throws Exception {

        ActiveXComponent word = null;
        Dispatch documents = null;
        
        try {
            //初始化線程
            ComThread.InitMTA(true);
            
            //初始化應(yīng)用
            word = new ActiveXComponent("Word.Application");
            
            //設(shè)置應(yīng)用屬性
            Dispatch.put(word.getObject(), "Visible", new Variant(false));
            Dispatch.put(word.getObject(), "DisplayAlerts", new Variant(0));
            
            //通過(guò)應(yīng)用打開(kāi)文檔
            documents = word.invokeGetComponent("Documents")
                              .invokeGetComponent("Open", new Variant(sourcePath));
            //調(diào)用對(duì)應(yīng)的方法
            Dispatch.invoke(documents, 
                            "SaveAs",
                            Dispatch.Method, 
                            new Object[] {destPath , new Variant(17) }, 
                            new int[1]);  

        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            try {
                //退出應(yīng)用
                if (word != null) {
                    word.invoke("Quit", new Variant(false));
                }
            } catch (Exception e) {
                    e.printStackTrace();
            } finally {
                //關(guān)閉文檔和應(yīng)用
                if (documents != null)
                    documents.safeRelease();
                if (word != null)
                    word.safeRelease();
                
                //釋放線程
                ComThread.Release();
            }
        }
    }
    
    public static void excel2Pdf(String sourcePath, String destPath)
            throws Exception {

        ActiveXComponent excel = null;
        Dispatch workBooks = null;
        try {
            ComThread.InitMTA(true);
            excel = new ActiveXComponent("Excel.Application");
            Dispatch.put(excel.getObject(), "Visible", new Variant(false));
            Dispatch.put(excel.getObject(), "DisplayAlerts", new Variant(false));

            workBooks = excel.invokeGetComponent("Workbooks")
                                .invokeGetComponent("Open", new Variant(sourcePath));
            
            Dispatch.invoke(workBooks,
                            "ExportAsFixedFormat",  
                            Dispatch.Method, 
                            new Variant[]{new Variant(0),new Variant(destPath)},
                            new int[1]);
            
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            try {
                if (excel != null) {
                    excel.invoke("Quit");
                }
            } catch (Exception e) {
                 e.printStackTrace();
            } finally {
                if (workBooks != null)
                    workBooks.safeRelease();
                if (excel != null)
                    excel.safeRelease();
                
                ComThread.Release();
            }
        }
    }
    
    public static void ppt2Pdf(String sourcePath, String destPath)
            throws Exception {

        ActiveXComponent ppt = null;
        Dispatch presentations = null;
        try {
            ComThread.InitMTA(true);
            ppt = new ActiveXComponent("PowerPoint.application");
            Dispatch.put(ppt.getObject(), "DisplayAlerts", new Variant(false));
        
            presentations = ppt.invokeGetComponent("Presentations")
                    .invokeGetComponent("Open", new Variant(sourcePath));
            
             Dispatch.invoke(presentations, 
                    "SaveAs",
                    Dispatch.Method, 
                    new Object[] {destPath , new Variant(32) }, 
                    new int[1]);  
        
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            try {
                if (ppt != null) {
                    ppt.invoke("Quit");
                }
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                if (presentations != null)
                    presentations.safeRelease();
                if (ppt != null)
                    ppt.safeRelease();
                
                ComThread.Release();
            }
        }
    }
}