JAVA提交
package com.marco.common; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.URI; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; import org.apache.http.StatusLine; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; import org.apache.log4j.Logger; /** * @author 马弦 * @date 2017年10月23日 下午2:49 * HttpClient工具类 */ public class HttpUtil { private static Logger logger = Logger.getLogger(HttpUtil.class); /** * get请求 * @return */ public static String doGet(String url) { try { HttpClient client = new DefaultHttpClient(); //发送get请求 HttpGet request = new HttpGet(url); HttpResponse response = client.execute(request); /**请求发送成功,并得到响应**/ if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { /**读取服务器返回过来的json字符串数据**/ String strResult = EntityUtils.toString(response.getEntity()); return strResult; } } catch (IOException e) { e.printStackTrace(); } return null; } /** * post请求(用于key-value格式的参数) * @param url * @param params * @return */ public static String doPost(String url, Map params){ BufferedReader in = null; try { // 定义HttpClient HttpClient client = new DefaultHttpClient(); // 实例化HTTP方法 HttpPost request = new HttpPost(); request.setURI(new URI(url)); //设置参数 List<NameValuePair> nvps = new ArrayList<NameValuePair>(); for (Iterator iter = params.keySet().iterator(); iter.hasNext();) { String name = (String) iter.next(); String value = String.valueOf(params.get(name)); nvps.add(new BasicNameValuePair(name, value)); //System.out.println(name +"-"+value); } request.setEntity(new UrlEncodedFormEntity(nvps,HTTP.UTF_8)); HttpResponse response = client.execute(request); int code = response.getStatusLine().getStatusCode(); if(code == 200){ //请求成功 in = new BufferedReader(new InputStreamReader(response.getEntity() .getContent(),"utf-8")); StringBuffer sb = new StringBuffer(""); String line = ""; String NL = System.getProperty("line.separator"); while ((line = in.readLine()) != null) { sb.append(line + NL); } in.close(); return sb.toString(); } else{ // System.out.println("状态码:" + code); return null; } } catch(Exception e){ e.printStackTrace(); return null; } } /** * post请求(用于请求json格式的参数) * @param url * @param params * @return */ public static String doPost(String url, String params) throws Exception { CloseableHttpClient httpclient = HttpClients.createDefault(); HttpPost httpPost = new HttpPost(url);// 创建httpPost httpPost.setHeader("Accept", "application/json"); httpPost.setHeader("Content-Type", "application/json"); String charSet = "UTF-8"; StringEntity entity = new StringEntity(params, charSet); httpPost.setEntity(entity); CloseableHttpResponse response = null; try { response = httpclient.execute(httpPost); StatusLine status = response.getStatusLine(); int state = status.getStatusCode(); if (state == HttpStatus.SC_OK) { HttpEntity responseEntity = response.getEntity(); String jsonString = EntityUtils.toString(responseEntity); return jsonString; } else{ logger.error("请求返回:"+state+"("+url+")"); } } finally { if (response != null) { try { response.close(); } catch (IOException e) { e.printStackTrace(); } } try { httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } return null; } }
相关推荐
Kafka 2020-09-18
Wepe0 2020-10-30
杜倩 2020-10-29
windle 2020-10-29
minerd 2020-10-28
mengzuchao 2020-10-22
Junzizhiai 2020-10-10
bxqybxqy 2020-09-30
风之沙城 2020-09-24
kingszelda 2020-09-22
大唐帝国前营 2020-08-18
yixu0 2020-08-17
TangCuYu 2020-08-15
xiaoboliu00 2020-08-15
songshijiazuaa 2020-08-15
xclxcl 2020-08-03
zmzmmf 2020-08-03
newfarhui 2020-08-03
likesyour 2020-08-01