NetWordUtils

package com.bwie.zhoukao2demo;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.util.Log;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;/** * author:Created by WangZhiQiang on 2017-09-27. */public class NetWordUtils {    private static String  tag = "NetWordUtils";    /**     * 获取网络json     *     * @param urlString     * @return     */    public static String getNetjson(String urlString) {        try {            URL url = new URL(urlString);            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();            urlConnection.setRequestMethod("GET");//若果是get请求可以不用配置; 其他请求必须配置            urlConnection.setConnectTimeout(8000);//设置链接超时间            InputStream inputStream = urlConnection.getInputStream();//获取网络返回的输入流;            //可拼接的字符串            StringBuilder stringBuilder = new StringBuilder();            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));            String temp = "";            while ((temp = bufferedReader.readLine()) != null) {                stringBuilder.append(temp);                temp = "";            }            //这个是网络获取的数据            String data = stringBuilder.toString();            Log.e(tag, "getData: " + data);            return data;        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return "";    }    /**     * 获取网络图片的工具类     *     * @param urlString     * @return     */    public static Bitmap getNetBitmap(String urlString) {        try {            //用URL封装链接地址;            URL url = new URL(urlString);            //用url打开链接            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();            //联网的状态码            int responseCode = urlConnection.getResponseCode();            if(responseCode ==200){                //链接上获取输入流                InputStream inputStream = urlConnection.getInputStream();                //把流直接转换成bitmap(系统提供的BitmapFactory)                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);//BitmapFactory是个工具类,系统提供的                return bitmap;            }else {                Log.e(tag, "网络状态码:: "+responseCode );            }        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }}