package com.gk.hotwork.Domain.Utils;
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import org.apache.http.Header;
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import org.apache.http.HttpStatus;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.util.EntityUtils;
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import org.apache.log4j.LogManager;
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import org.apache.log4j.Logger;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.Map;
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public class HttpUtils {
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private static final Logger logger = LogManager.getLogger(HttpUtils.class);
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public static final String DEF_CHATSET = "UTF-8";
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public static final int DEF_CONN_TIMEOUT = 30000;
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public static final int DEF_READ_TIMEOUT = 30000;
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public static String userAgent = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29";
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/**
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*
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* @param strUrl 请求地址
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* @param params 请求参数
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* @param method 请求方法
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* @return 网络请求字符串
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* @throws Exception
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*/
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public static String net(String strUrl, Map params, String method) throws Exception {
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HttpURLConnection conn = null;
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BufferedReader reader = null;
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String rs = null;
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try {
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StringBuffer sb = new StringBuffer();
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if(method==null || method.equals("GET")){
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strUrl = strUrl+"?"+urlencode(params);
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}
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URL url = new URL(strUrl);
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conn = (HttpURLConnection) url.openConnection();
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if(method==null || method.equals("GET")){
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conn.setRequestMethod("GET");
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}else{
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conn.setRequestMethod("POST");
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conn.setDoOutput(true);
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}
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conn.setRequestProperty("User-agent", userAgent);
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conn.setUseCaches(false);
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conn.setConnectTimeout(DEF_CONN_TIMEOUT);
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conn.setReadTimeout(DEF_READ_TIMEOUT);
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conn.setInstanceFollowRedirects(false);
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conn.connect();
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if (params!= null && method.equals("POST")) {
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try {
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DataOutputStream out = new DataOutputStream(conn.getOutputStream());
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out.writeBytes(urlencode(params));
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} catch (Exception e) {
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// TODO: handle exception
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}
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}
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InputStream is = conn.getInputStream();
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reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));
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String strRead = null;
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while ((strRead = reader.readLine()) != null) {
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sb.append(strRead);
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}
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rs = sb.toString();
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (reader != null) {
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reader.close();
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}
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if (conn != null) {
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conn.disconnect();
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}
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}
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return rs;
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}
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//将map型转为请求参数型
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public static String urlencode(Map<String,Object>data) {
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StringBuilder sb = new StringBuilder();
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for (Map.Entry i : data.entrySet()) {
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try {
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sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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}
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return sb.toString();
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}
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//post json
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// public static String sendPost(String url, String data) {
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// String response = null;
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// try {
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// HttpClient httpclient = null;
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// HttpResponse httpresponse = null;
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// HttpPost httppost = null;
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//
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// try {
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// httpclient = HttpClients.createDefault();
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// httppost = new HttpPost(url);
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// StringEntity stringentity = new StringEntity(data,
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// ContentType.create("application/json", "UTF-8"));
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// httppost.setEntity(stringentity);
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// httpresponse = httpclient.execute(httppost);
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// response = EntityUtils
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// .toString(httpresponse.getEntity());
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// // 检验返回码
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// int statusCode = httpresponse.getStatusLine().getStatusCode();
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// if(statusCode != HttpStatus.SC_OK){
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// logger.error("请求出错: "+statusCode);
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// if (statusCode == 307) {
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// Header header = httpresponse.getFirstHeader("location"); // 跳转的目标地址是在 HTTP-HEAD上
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// String newuri = header.getValue(); // 这就是跳转后的地址，再向这个地址发出新申请
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// logger.error(newuri);
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//
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// httppost = new HttpPost(newuri);
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// StringEntity newstringentity = new StringEntity(data,
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// ContentType.create("application/json", "UTF-8"));
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// httppost.setEntity(newstringentity);
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// httpresponse = httpclient.execute(httppost);
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// response = EntityUtils
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// .toString(httpresponse.getEntity());
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//
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// logger.error("请求出错: "+httpresponse.getStatusLine().getStatusCode());
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// }
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//
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// }
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// } catch (Exception e){
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// e.printStackTrace();
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// }finally {
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// if(httppost != null){
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// try {
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// httppost.releaseConnection();
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// Thread.sleep(500);
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// } catch (InterruptedException e) {
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// e.printStackTrace();
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// }
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// }
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// }
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// return response;
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// }
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public static String sendPost(String url, String data) {
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String resData = null;
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try {
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RequestConfig config = RequestConfig.custom().setRedirectsEnabled(false).build();//不允许重定向
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CloseableHttpClient client = HttpClients.custom().setDefaultRequestConfig(config).build();
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// CloseableHttpClient client = HttpClients.createDefault();
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HttpPost post = new HttpPost(url);
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post.setHeader("Content-Type", "application/json;charset=UTF-8");
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StringEntity se = new StringEntity(data, "UTF-8");
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se.setContentEncoding("UTF-8");
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se.setContentType("application/json");
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post.setEntity(se);
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CloseableHttpResponse response = client.execute(post);
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resData = EntityUtils.toString(response.getEntity());
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// 检验返回码
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int statusCode = response.getStatusLine().getStatusCode();
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if(statusCode != HttpStatus.SC_OK){
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logger.error("请求出错: "+statusCode);
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if (statusCode == 307) {
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Header header = response.getFirstHeader("Location"); // 跳转的目标地址是在 HTTP-HEAD上
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String newuri = header.getValue(); // 这就是跳转后的地址，再向这个地址发出新申请
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logger.error(newuri);
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post = new HttpPost(newuri);
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StringEntity newstringentity = new StringEntity(data,
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ContentType.create("application/json", "UTF-8"));
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post.setEntity(newstringentity);
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response = client.execute(post);
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resData = EntityUtils.toString(response.getEntity());
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logger.error("请求出错: "+response.getStatusLine().getStatusCode());
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}
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}
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client.close();
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logger.info(resData);
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} catch (Exception e) {
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logger.error(e.getMessage(), e);
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}
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return resData;
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}
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}
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