httpclient工具类，post请求发送json字符串参数,中文乱码处理

 1 package com.Util;
 2 
 3 import com.google.common.base.Charsets;
 4 import org.apache.http.HttpEntity;
 5 import org.apache.http.client.methods.CloseableHttpResponse;
 6 import org.apache.http.client.methods.HttpPost;
 7 import org.apache.http.entity.StringEntity;
 8 import org.apache.http.impl.client.CloseableHttpClient;
 9 import org.apache.http.impl.client.HttpClients;
10 import org.apache.http.util.EntityUtils;
11 
12 public class HttpUtil {
13     public static String sendHttpPost(String url, String body) throws Exception {
14         CloseableHttpClient httpClient = HttpClients.createDefault();
15         HttpPost httpPost = new HttpPost(url);
16         httpPost.addHeader("Content-Type", "application/json;charset=UTF-8");
17         httpPost.setHeader("Accept", "application/json");
18         httpPost.setEntity(new StringEntity(body, Charsets.UTF_8));
19         CloseableHttpResponse response = httpClient.execute(httpPost);
20         System.out.println(response.getStatusLine().getStatusCode() + "\n");
21         HttpEntity entity = response.getEntity();
22         String responseContent = EntityUtils.toString(entity, "UTF-8");
23         response.close();
24         httpClient.close();
25         return responseContent;
26     }
27 
28 }