HttpUtils

package com.example.util;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * @Author：tiguan
 * @E-mail：
 * @Date：2019/2/15 11:51 AM
 * @Description：描述信息
 */
public class HttpUtils {
    //判断网络
    public static boolean isNetConnect(Context context) {
        if (context != null) {
            ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo networkInfo = manager.getActiveNetworkInfo();
            if (networkInfo != null) {
                return networkInfo.isConnected();
            }
        }
        return false;
    }
    //请求数据
    public static String getNetData(String dataUrl){
        try {
            URL url = new URL(dataUrl);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.setReadTimeout(5*1000);
            connection.setConnectTimeout(5*1000);
            int code = connection.getResponseCode();
            if (code==HttpURLConnection.HTTP_OK){
                InputStream inputStream = connection.getInputStream();
                BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
                StringBuilder builder = new StringBuilder();
                String str = "";
                while ((str=reader.readLine())!=null){
                    builder.append(str);
                }
                return  builder.toString();
            }
        }catch (Exception e){
            e.printStackTrace();
        }
        return  "";
    }
    //请求图片
    public static Bitmap getNetPic(String picUrl){
        try {
            URL url = new URL(picUrl);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.setReadTimeout(5*1000);
            connection.setConnectTimeout(5*1000);
            int code = connection.getResponseCode();
            if (code==HttpURLConnection.HTTP_OK){
                InputStream inputStream = connection.getInputStream();
                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);

                return  bitmap;
            }
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }
}