使用jacob：只能是windows系统使用，
下载zip包，解压，得到一个jar和一个dll，jar导入到项目，dll放到C:\WINDOWS\system32目录下
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
public class TestWord{
public static void main(String[] args){
System.out.println(ChageFormat("c:\\","test.doc"));
}
public static boolean ChageFormat (String FolderPath,String FileName){
String FileFormat = "";
System.out.println(FolderPath);
FileFormat = FileName.substring(FileName.length()-4,FileName.length());
System.out.println(FileFormat);
if(FileFormat.equalsIgnoreCase(".doc"))
{
String DocFile = FolderPath +"\\"+ FileName;
System.out.println("word文件路径："+DocFile);
//word文件的完整路径
String HtmlFile = DocFile.substring(0, (DocFile.length() - 4)) + ".txt";//要是用htm的，把这里改成.htm
System.out.println("htm文件路径："+HtmlFile);
//html文件的完整路径
ActiveXComponent app = new ActiveXComponent("Word.Application");
//启动word
try
{
app.setProperty("Visible", new Variant(false));
//设置word程序非可视化运行
Dispatch docs = app.getProperty("Documents").toDispatch();
Dispatch doc = Dispatch.invoke(docs,"Open", Dispatch.Method, new Object[]{DocFile,new Variant(false), new Variant(true)}, new int[1]).toDispatch();
//打开word文件
Dispatch.invoke(doc,"SaveAs",Dispatch.Method, new Object[]{HtmlFile,new Variant(7)}, new int[1]);//需奥生成htm的话，改成 new Variant(8)，把上面的.txt,改成.htm
//作为htm格式保存文件
Dispatch.call(doc, "Close",new Variant(false));
//关闭文件
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
app.invoke("Quit", new Variant[] {});
//退出word程序
}
//转化完毕
return true;
}
return false;
}
}
