java读取jar包里文件内容

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import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

public class ReadOutJarFile{


    publicstatic void main(String[] args) throws Exception{
       String jarName="C://test.jar";//Jar包所在的位置
       StringfileName="com/111.txt";//文件在jar包里的路径
       JarFile jarFile = newJarFile(jarName);//读入jar文件
       JarEntry entry =jarFile.getJarEntry(fileName);
       InputStream input =jarFile.getInputStream(entry);//读入需要的文件
       readFile(input);
       jarFile.close();
   }

    privatestatic void readFile(InputStream input) throws Exception{
       InputStreamReader isr = new InputStreamReader(input);
       BufferedReader reader = newBufferedReader(isr);
       Stringline;
       while ((line = reader.readLine()) != null){
           System.out.println(line);
       }
       reader.close();
   }
}