java-在jar中调用一个exe文件

我试图在存在该smartpdf类的jar文件中调用“ dspdf.exe”.我计划将其提取到临时位置,并在程序结束时删除.但是,这似乎不起作用,将不胜感激.

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import org.omg.CORBA.portable.InputStream;


public class smartpdf {
 static String url="";
 static String output="output.pdf";

public static void main(String[] args) throws IOException{
 gui mygui = new gui();//gui will call the generate function when user selects
}

 public static void generate() throws IOException{
  InputStream src = (InputStream) smartpdf.class.getResource("dspdf.exe").openStream();
  File exeTempFile = File.createTempFile("dspdf", ".exe");
  FileOutputStream out = new FileOutputStream(exeTempFile);
  byte[] temp = new byte[32768];
  int rc;
  while((rc = src.read(temp)) > 0)
      out.write(temp, 0, rc);
  src.close();
  out.close();
  exeTempFile.deleteOnExit();
  Runtime.getRuntime().exec(exeTempFile.toString()+" "+url+" "+output  );
  //Runtime.getRuntime().exec("dspdf "+url+" "+output);
 }

}

编辑：
我得到的错误：

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

Exception in thread "main" java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoa
der.java:56)
Caused by: java.lang.ClassCastException: sun.net.www.protocol.jar.JarURLConnecti
on$JarURLInputStream cannot be cast to org.omg.CORBA.portable.InputStream
        at smartpdf.generate(smartpdf.java:18)
        at smartpdf.main(smartpdf.java:14)
        ... 5 more

解决方法:

您使用了错误的InputStream.将其更改为java.io.InputStream.

标签：jar,executable-jar,java
来源： https://codeday.me/bug/20191024/1920272.html