Android 使用CMD命令

已知，Android是Linux系统，

在执行Linux 命令之前，需要 chmod 777 ，否则会报 权限拒绝，如下是执行命令   netstat -ntu | grep tcp | awk '{print $5}   时的写法

 

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public static void execR() {     try {         String command = "chmod 777";         Runtime runtime = Runtime.getRuntime();         Process proc = runtime.exec(command);         Process proc1 = runtime.exec("netstat -ntu | grep tcp | awk '{print $5}'");         InputStream inIs = null;         inIs = proc1.getInputStream();         ByteArrayOutputStream baos = new ByteArrayOutputStream();         int read = -1;         while ((read = inIs.read()) != -1) {             baos.write(read);         }         byte[] data = baos.toByteArray();         String result = new String(data);         if (inIs != null) {             inIs.close();         }         LogUtil.i("执行",result);     } catch (IOException e) {         e.printStackTrace();     } }