HTTP请求代理类（GET 、 POST 、PUT 、DELETE）

package com.jm.http.tools;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.log4j.Logger;

/**
 * HTTP请求代理类
 *
 * @author hsw
 * @version 1.0, 2007-7-3
 */
public class UrlOpreate {

    private static Logger logger = Logger.getLogger(UrlOpreate.class);

    /**
     * POST
     **/
    public static String sendPostRequest(String requestUrl, String payload) {
        StringBuffer jsonString = new StringBuffer();
        HttpURLConnection connection=null;
        BufferedReader br=null;
        try {
            URL url = new URL(requestUrl);
            connection = (HttpURLConnection) url.openConnection();

            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");

            connection.setRequestProperty("user-agent", "Mozilla/5.0 (compatible; MSIE 11.0; Windows NT 6.1; Trident/5.0)");
            connection.setRequestProperty("Accept", "application/json");
            connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
            connection.setReadTimeout(300000);
            connection.setConnectTimeout(300000);

            OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
            writer.write(payload);
            writer.close();
            br = new BufferedReader(new InputStreamReader(connection.getInputStream()));

            String line;
            while ((line = br.readLine()) != null) {
                    jsonString.append(line);
            }
            br.close();
            connection.disconnect();

        }catch(Exception e){
            e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(connection.getErrorStream()) );
             String line;
            try {
                while ((line = br.readLine()) != null) {
                    jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }finally{
            connection.disconnect();
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return jsonString.toString();
    }
    public static String sendPostRequestH(String requestUrl, String payload) {
        StringBuffer jsonString = new StringBuffer();
        HttpURLConnection connection=null;
        BufferedReader br=null;
        try {
            URL url = new URL(requestUrl);
            connection = (HttpURLConnection) url.openConnection();

            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Accept", "application/json");
            connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
            connection.setRequestProperty("resultData", payload);
            OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
            writer.write("");
            writer.close();
            br = new BufferedReader(new InputStreamReader(connection.getInputStream()));

            String line;
            while ((line = br.readLine()) != null) {
                    jsonString.append(line);
            }
            br.close();
            connection.disconnect();

        }catch(Exception e){
            e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(connection.getErrorStream()) );
             String line;
            try {
                while ((line = br.readLine()) != null) {
                    jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }finally{
            connection.disconnect();
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return jsonString.toString();
    }

    /**
     * PUT
     **/

    public static String doPut(String strUrl,String param){
        StringBuffer jsonString = new StringBuffer();
        HttpURLConnection httpCon=null;
        BufferedReader br=null;
        try{
            URL url = new URL(strUrl);
            httpCon = (HttpURLConnection) url.openConnection();
            httpCon.setDoOutput(true);
            httpCon.setRequestMethod("PUT");
            OutputStreamWriter out = new OutputStreamWriter(
                httpCon.getOutputStream());
            out.write(param);
            out.close();
               br = new BufferedReader(new InputStreamReader(httpCon.getInputStream()));

             String line;
             while ((line = br.readLine()) != null) {
                     jsonString.append(line);
             }

        }catch(Exception e){
            e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(httpCon.getErrorStream()) );
             String line;
             try {
                while ((line = br.readLine()) != null) {
                         jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }finally{
            httpCon.disconnect();
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return jsonString.toString();
    } 

    public static String getHTML2(String urlToRead) throws Exception {
        StringBuilder result = new StringBuilder();
        URL url = new URL(urlToRead);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("PUT");
        try{
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));

            String line;
            while ((line = rd.readLine()) != null) {
               result.append(line);
            }
            rd.close();
        }catch(Exception e){

             System.out.println(conn.getResponseCode());

        }

        return result.toString();
     }

    /**
     * GET
     **/
    public static String getHTML(String urlToRead) throws Exception {
        BufferedReader br=null;
        StringBuilder result =null;
        HttpURLConnection conn=null;
        try{
            result = new StringBuilder();
            URL url = new URL(urlToRead);
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = br.readLine()) != null) {
               result.append(line);
            }
        }catch(Exception e){
            e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(conn.getErrorStream()) );
             String line;
            try {
                while ((line = br.readLine()) != null) {
                    result.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }finally{
            conn.disconnect();
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        return result.toString();
     }
    public static String getHTML(String urlToRead,String payload) throws Exception {
        StringBuffer jsonString = new StringBuffer();
        BufferedReader br=null;
        URL url = new URL(urlToRead);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        try {

            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setRequestMethod("GET");
            connection.setRequestProperty("Accept", "application/json");
            connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
            OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
            writer.write(payload);
            writer.close();
            br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
            String line;
            while ((line = br.readLine()) != null) {
                    jsonString.append(line);
            }
            br.close();
            connection.disconnect();
        } catch (Exception e) {
             e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(connection.getErrorStream()) );
             String line;
            try {
                while ((line = br.readLine()) != null) {
                    jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }
        return jsonString.toString();
     }
    public static String getHTMLXQ(String urlToRead,String payload) throws Exception {
        StringBuffer jsonString = new StringBuffer();
        BufferedReader br=null;
        URL url = new URL(urlToRead);
        //http://nealcai.iteye.com/blog/2084442
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        try {
            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setRequestMethod("GET");
            connection.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
            connection.setRequestProperty("Connection", "keep-alive");
            connection.setRequestProperty("Cookie", "Hm_lvt_1db88642e346389874251b5a1eded6e3=1529975814,1530498921,1530522215,1530522465; __utma=1.2081209674.1521790939.1527061820.1530522218.3; __utmz=1.1530522218.3.3.utmcsr=baidu|utmccn=(organic)|utmcmd=organic; device_id=eee17d8ff8702c633d2e5aef40091e3b; _ga=GA1.2.2081209674.1521790939; aliyungf_tc=AQAAANJkmXYQ0AUADTpltt1aHoUGzyIQ; xq_a_token=7443762eee8f6a162df9eef231aa080d60705b21; xq_a_token.sig=3dXmfOS3uyMy7b17jgoYQ4gPMMI; xq_r_token=9ca9ab04037f292f4d5b0683b20266c0133bd863; xq_r_token.sig=6hcU3ekqyYuzz6nNFrMGDWyt4aU; Hm_lpvt_1db88642e346389874251b5a1eded6e3=1530522562; _gid=GA1.2.257714409.1530498922; u=941530498925106; __utmc=1; s=e81dkxiqhm");
            connection.setRequestProperty("Referer", "https://xueqiu.com/S/SH600507/ZYCWZB");
            connection.setRequestProperty("Accept-Encoding", "gzip, deflate, br");
            connection.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2");
            connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0");
            connection.setRequestProperty("Host", "xueqiu.com");
            connection.setRequestProperty("Upgrade-Insecure-Requests", "1");
            connection.setRequestProperty("Cache-Control", "max-age=0");
            connection.connect();
            OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
            writer.write(payload);
            writer.close();
            br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = br.readLine()) != null) {
                    jsonString.append(line);
            }
            br.close();
            connection.disconnect();
        } catch (Exception e) {
             e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(connection.getErrorStream()) );
             String line;
            try {
                while ((line = br.readLine()) != null) {
                    jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }
        return jsonString.toString();
     }

    /**
     * DELETE
     **/
    public static void deleteHTML(String urlToRead) throws Exception {
        URL url = new URL(urlToRead);
        HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
        httpCon.setDoOutput(true);
        httpCon.setRequestProperty(
            "Content-Type", "application/x-www-form-urlencoded" );
        httpCon.setRequestMethod("DELETE");
        httpCon.connect();
        httpCon.disconnect(); 

    }

    public static String deleteHTML(String strUrl,String param){
        StringBuffer jsonString = new StringBuffer();
        HttpURLConnection httpCon=null;
        BufferedReader br=null;
        try{
            URL url = new URL(strUrl);
            httpCon = (HttpURLConnection) url.openConnection();
            httpCon.setDoOutput(true);
            httpCon.setRequestMethod("DELETE");
            OutputStreamWriter out = new OutputStreamWriter(
                httpCon.getOutputStream());
            out.write(param);
            out.close();
               br = new BufferedReader(new InputStreamReader(httpCon.getInputStream()));

             String line;
             while ((line = br.readLine()) != null) {
                     jsonString.append(line);
             }

        }catch(Exception e){
            e.printStackTrace();
             br = new BufferedReader(new InputStreamReader(httpCon.getErrorStream()) );
             String line;
             try {
                while ((line = br.readLine()) != null) {
                         jsonString.append(line);
                 }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }finally{
            httpCon.disconnect();
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return jsonString.toString();
    } 

}