封装网络请求

public class HttpUtils {
    //请求获取网络请求
    public  static   String  getHttpCon(Context mContext, String mPath, String mRam){
        String messages = "";
        try {
            URL murl = new URL(mPath);
            Log.i("shop", "doInBackground: " + mPath);
            HttpURLConnection connection = (HttpURLConnection) murl.openConnection();
            //设置请求发送
            connection.setRequestMethod(mRam);
            //请求超时
            connection.setConnectTimeout(5 * 1000);
            connection.setReadTimeout(5 * 1000);
            //数据流处理
            if (connection.getResponseCode() == 200) {
                //获取输入流
                InputStream inputStream = connection.getInputStream();
                //读取输入流
                byte[] b = new byte[1024 * 512]; //定义一个byte数组读取输入流
                ByteArrayOutputStream baos = new ByteArrayOutputStream(); //定义缓存流来保存输入流的数据
                int len = 0;
                while ((len = inputStream.read(b)) > -1) {  //每次读的len>-1 说明是是有数据的
                    baos.write(b, 0, len);  //三个参数  输入流byte数组   读取起始位置  读取终止位置
                }
                messages = baos.toString();
                inputStream.close();
                connection.disconnect();
            }
        } catch(Exception e){
            e.printStackTrace();
        }
        return messages;
    }

}