HttpUrlConnection工具类

package com.ligotop.core.utils;

import com.ligotop.core.exceptions.BusinessException;

import java.io.*;

import java.net.HttpURLConnection;

import java.net.URL;

public class HttpMethodUtil {

    public static String doPost(String url,String params){

        HttpURLConnection conn = null;

        BufferedReader reader = null;

        PrintWriter writer = null;

        String content = null;

        StringBuffer sbf = new StringBuffer();

        try{

            URL u = new URL(url);

            conn = (HttpURLConnection)u.openConnection();

            conn.setDoInput(true);

            conn.setDoOutput(true);

            conn.setRequestMethod("POST");

            conn.setReadTimeout(50000);

            conn.setConnectTimeout(60000);

            conn.setRequestProperty("accept","*/*");

            conn.setRequestProperty("connection","Keep-Alive");

            conn.setRequestProperty("content-Type","application/json");

            writer = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(),"UTF-8"));

            writer.print(params);

            writer.flush();

            reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));

            while((content = reader.readLine())!=null){

                sbf.append(content);

            }

        }catch(Exception e){

            e.printStackTrace();

        }finally{

            if(writer!=null){

                writer.close();

            }

            if(reader!=null){

                try {

                    reader.close();

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

            conn.disconnect();

        }

        return sbf.toString();

    }

    public static String doGet(String url){

        StringBuffer sbf = new StringBuffer();

        HttpURLConnection conn = null;

        BufferedReader br = null;

        String content = null;

        try{

            URL u = new URL(url);

            conn = (HttpURLConnection)u.openConnection();

            conn.setReadTimeout(50000);

            conn.setConnectTimeout(60000);

            conn.setRequestProperty("accept", "*/*");

            conn.setRequestProperty("connection", "Keep-Alive");

            if(conn.getResponseCode()==200){

                br = new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8"));

                while((content=br.readLine())!=null){

                    sbf.append(content);

                }

            }

        }catch(Exception e){

            e.printStackTrace();

            throw new BusinessException("请求数据失败");

        }finally{

            if(br!=null){

                try {

                    br.close();

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

            conn.disconnect();

        }

        return sbf.toString();

    }

}
巴特西

HttpUrlConnection工具类

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