java实现多个文件压缩成rar压缩包

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigDecimal;

public class test {

/**
 * @param args
 * @throws InterruptedException 
 * @throws IOException 
 * @throws IOException 
 * @throws InterruptedException 
 */
public static int fileToRar(String aimpath,String realPath) throws InterruptedException {
StringBuffer cmd= new StringBuffer("c:/Program Files/WinRAR/Rar.exe");//安装的winrar路径
cmd.append(" a -ep ");
cmd.append(aimpath);
cmd.append(realPath);
Process proc;
try {
proc = Runtime.getRuntime().exec(cmd.toString());
BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream(), "gbk"));
 String line;   
  while ((line = br.readLine()) != null) {   
    //System.out.println(line);   
  }