访问https://sourceforge.net/projects/jacob-project/
想要调启Windows里的程序需要对应的dll库，下载之后解压
将符合你电脑的dll文件复制到jdk目录下的bin目录。需要的jar可以从maven仓库依赖，也可以用下载的jacob.jar
package officeutil.web.utils;
import java.io.File;
import java.util.Date;
import org.apache.log4j.Logger;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
/***
* office文件转换为PDF文件
*
* @author leo.li
*
*/
public class JacobOffice2PdfUtil {
private String office_path = "C:/officeconvert/officefile/";
private String pdf_path = "C:/officeconvert/pdffile/";
private static final int wdFormatPDF = 17;
private static final int xlTypePDF = 0;
private static final int ppSaveAsPDF = 32;
private Logger logger = Logger.getLogger(JacobOffice2PdfUtil.class);
/**
* 转换office文件为PDF
*
* @param inputFileName
* @return
*/
public boolean office2pdf(String inputFileName, String username) {
String officeUserPath = String.format(office_path + "/%s/%s", username, inputFileName);
inputFileName = inputFileName.substring(0, inputFileName.lastIndexOf("."));
String pdfUserPath = String.format(pdf_path + "/%s/%s", username, inputFileName + ".pdf");
int time = convert2PDF(officeUserPath, pdfUserPath);
boolean result = false;
if (time == -4) {
logger.info("转化失败，未知错误...");
} else if (time == -3) {
result = true;
logger.info("原文件就是PDF文件,无需转化...");
} else if (time == -2) {
logger.info("转化失败，文件不存在...");
} else if (time == -1) {
logger.info("转化失败，请重新尝试...");
} else if (time < -4) {
logger.info("转化失败，请重新尝试...");
} else {
result = true;
logger.info("转化成功，用时： " + time + "s...");
}
return result;
}
/***
* 判断需要转化文件的类型（Excel、Word、ppt）
*
* @param inputFile
* @param pdfFile
*/
private int convert2PDF(String inputFile, String pdfFile) {
String kind = getFileSufix(inputFile);
File file = new File(inputFile);
if (!file.exists()) {
logger.info("文件不存在");
return -2;
}
if (kind.equals("pdf")) {
logger.info("原文件就是PDF文件");
return -3;
}
if (kind.equals("doc") || kind.equals("docx") || kind.equals("txt")) {
return word2PDF(inputFile, pdfFile);
} else if (kind.equals("ppt") || kind.equals("pptx")) {
return ppt2PDF(inputFile, pdfFile);
} else if (kind.equals("xls") || kind.equals("xlsx")) {
return Ex2PDF(inputFile, pdfFile);
} else {
return -4;
}
}
/***
* 判断文件类型
*
* @param fileName
* @return
*/
public static String getFileSufix(String fileName) {
int splitIndex = fileName.lastIndexOf(".");
return fileName.substring(splitIndex + 1);
}
/***
*
* Word转PDF
*
* @param inputFile
* @param pdfFile
* @return
*/
private int word2PDF(String inputFile, String pdfFile) {
try {
// 打开Word应用程序
ActiveXComponent app = new ActiveXComponent("KWPS.Application");
logger.info("开始转化Word为PDF...");
long date = new Date().getTime();
// 设置Word不可见
app.setProperty("Visible", new Variant(false));
// 禁用宏
app.setProperty("AutomationSecurity", new Variant(3));
// 获得Word中所有打开的文档，返回documents对象
Dispatch docs = app.getProperty("Documents").toDispatch();
// 调用Documents对象中Open方法打开文档，并返回打开的文档对象Document
Dispatch doc = Dispatch.call(docs, "Open", inputFile, false, true).toDispatch();
/***
*
* 调用Document对象的SaveAs方法，将文档保存为pdf格式
*
* Dispatch.call(doc, "SaveAs", pdfFile, wdFormatPDF word保存为pdf格式宏，值为17 )
*
*/
Dispatch.call(doc, "ExportAsFixedFormat", pdfFile, wdFormatPDF);// word保存为pdf格式宏，值为17
logger.info(doc);
// 关闭文档
long date2 = new Date().getTime();
int time = (int) ((date2 - date) / 1000);
Dispatch.call(doc, "Close", false);
// 关闭Word应用程序
app.invoke("Quit", 0);
return time;
} catch (Exception e) {
// TODO: handle exception
return -1;
}
}
/***
*
* Excel转化成PDF
*
* @param inputFile
* @param pdfFile
* @return
*/
private int Ex2PDF(String inputFile, String pdfFile) {
try {
ComThread.InitSTA(true);
ActiveXComponent ax = new ActiveXComponent("KET.Application");
logger.info("开始转化Excel为PDF...");
long date = new Date().getTime();
ax.setProperty("Visible", false);
ax.setProperty("AutomationSecurity", new Variant(3)); // 禁用宏
Dispatch excels = ax.getProperty("Workbooks").toDispatch();
Dispatch excel = Dispatch
.invoke(excels, "Open", Dispatch.Method,
new Object[] { inputFile, new Variant(false), new Variant(false) }, new int[9])
.toDispatch();
// 转换格式
Dispatch.invoke(excel, "ExportAsFixedFormat", Dispatch.Method, new Object[] { new Variant(0), // PDF格式=0
pdfFile, new Variant(xlTypePDF) // 0=标准 (生成的PDF图片不会变模糊) 1=最小文件
// (生成的PDF图片糊的一塌糊涂)
}, new int[1]);
// 这里放弃使用SaveAs
/*
* Dispatch.invoke(excel,"SaveAs",Dispatch.Method,new Object[]{ outFile, new
* Variant(57), new Variant(false), new Variant(57), new Variant(57), new
* Variant(false), new Variant(true), new Variant(57), new Variant(true), new
* Variant(true), new Variant(true) },new int[1]);
*/
long date2 = new Date().getTime();
int time = (int) ((date2 - date) / 1000);
Dispatch.call(excel, "Close", new Variant(false));
if (ax != null) {
ax.invoke("Quit", new Variant[] {});
ax = null;
}
ComThread.Release();
return time;
} catch (Exception e) {
// TODO: handle exception
return -1;
}
}
/***
* ppt转化成PDF
*
* @param inputFile
* @param pdfFile
* @return
*/
private int ppt2PDF(String inputFile, String pdfFile) {
logger.info("开始转化PPT为PDF...");
try {
ComThread.InitSTA(true);
ActiveXComponent app = new ActiveXComponent("KWPP.Application");
// app.setProperty("Visible", false);
long date = new Date().getTime();
Dispatch ppts = app.getProperty("Presentations").toDispatch();
Dispatch ppt = Dispatch.call(ppts, "Open", inputFile, true, // ReadOnly
// false, // Untitled指定文件是否有标题
false// WithWindow指定文件是否可见
).toDispatch();
Dispatch.invoke(ppt, "SaveAs", Dispatch.Method, new Object[] { pdfFile, new Variant(ppSaveAsPDF) },
new int[1]);
logger.info("PPT");
Dispatch.call(ppt, "Close");
long date2 = new Date().getTime();
int time = (int) ((date2 - date) / 1000);
app.invoke("Quit");
return time;
} catch (Exception e) {
logger.info(e);
// TODO: handle exception
return -1;
}
}
}