Java调用shell脚本解决传参和权限问题的方法

 /**
   * 执行shell
   * @param execCmd 使用命令 或 脚本标志位
   * @param para 传入参数
   */
  private static void execShell(boolean execCmd, String... para) {
    StringBuffer paras = new StringBuffer();
    Arrays.stream(para).forEach(x -> paras.append(x).append(" "));
    try {
      String cmd = "", shpath = "";
      if (execCmd) {
        // 命令模式
        shpath = "echo";
      } else {
      //脚本路径
        shpath = "/Users/yangyibo/Desktop/callShell.sh";
      }
      cmd = shpath + " " + paras.toString();
      Process ps = Runtime.getRuntime().exec(cmd);
      ps.waitFor();
      BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
      StringBuffer sb = new StringBuffer();
      String line;
      while ((line = br.readLine()) != null) {
        sb.append(line).append("
");
      }
      String result = sb.toString();
      System.out.println(result);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

 /**
   * 解决了 参数中包含 空格和脚本没有执行权限的问题
   * @param scriptPath 脚本路径
   * @param para 参数数组
   */
  private void execShell(String scriptPath, String ... para) {
    try {
      String[] cmd = new String[]{scriptPath};
      //为了解决参数中包含空格
      cmd=ArrayUtils.addAll(cmd,para);
      //解决脚本没有执行权限
      ProcessBuilder builder = new ProcessBuilder("/bin/chmod", "755",scriptPath);
      Process process = builder.start();
      process.waitFor();
      Process ps = Runtime.getRuntime().exec(cmd);
      ps.waitFor();
      BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
      StringBuffer sb = new StringBuffer();
      String line;
      while ((line = br.readLine()) != null) {
        sb.append(line).append("
");
      }
      //执行结果
      String result = sb.toString();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }