Java执行bat批处理文件，并关闭cmd窗口

package com.baobaotao.test;  
  
import java.io.IOException;  
  
public class CmdMain {  
    public static void main(String[] args) {  
  
        // 执行批处理文件  
        String strcmd = "cmd /c start  E:\\run.bat";  
        Runtime rt = Runtime.getRuntime();  
        Process ps = null;  
        try {  
            ps = rt.exec(strcmd);  
        } catch (IOException e1) {  
            e1.printStackTrace();  
        }  
        try {  
            ps.waitFor();  
        } catch (InterruptedException e) {  
            // TODO Auto-generated catch block  
            e.printStackTrace();  
        }  
        int i = ps.exitValue();  
        if (i == 0) {  
            System.out.println("执行完成.");  
        } else {  
            System.out.println("执行失败.");  
        }  
        ps.destroy();  
        ps = null;  
  
        // 批处理执行完后，根据cmd.exe进程名称  
        // kill掉cmd窗口  
        new CmdMain().killProcess();  
  
    }  
  
    public void killProcess() {  
        Runtime rt = Runtime.getRuntime();  
        Process p = null;  
        try {  
            rt.exec("cmd.exe /C start wmic process where name='cmd.exe' call terminate");  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
    }  
}