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();
        }
    }
}