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HttpClientUtils.java
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96 lines (90 loc) · 2.98 KB
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package com.space.utils.http;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpEntity;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
/**
*
* @author zhuzhe
* 2017/12/11
* HttpClient工具类
*/
@Slf4j
public class HttpClientUtils {
/**
* 以jsonString形式发送HttpPost的Json请求，String形式返回响应结果
* @param url
* @param jsonString
* @return
*/
public static String sendPostJsonStr(String url, String jsonString) throws IOException {
if (jsonString==null||jsonString.isEmpty()) {
return sendPost(url);
}
String resp = "";
StringEntity entityStr = new StringEntity(jsonString,
ContentType.create("text/plain", "UTF-8"));
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(entityStr);
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
resp = EntityUtils.toString(entity, "UTF-8");
EntityUtils.consume(entity);
} catch (ClientProtocolException e) {
log.error(e.getMessage());
} catch (IOException e) {
log.error(e.getMessage());
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
log.error(e.getMessage());
}
}
}
if (resp == null || resp.equals("")) {
return "";
}
return resp;
}
/**
* 发送不带参数的HttpPost请求
*
* @param url
* @return
*/
public static String sendPost(String url) throws IOException {
// 1.获得一个httpclient对象
CloseableHttpClient httpclient = HttpClients.createDefault();
// 2.生成一个post请求
HttpPost httppost = new HttpPost(url);
CloseableHttpResponse response = null;
try {
// 3.执行get请求并返回结果
response = httpclient.execute(httppost);
} catch (IOException e) {
log.error(e.getMessage());
}
// 4.处理结果，这里将结果返回为字符串
HttpEntity entity = response.getEntity();
String result = null;
try {
result = EntityUtils.toString(entity);
} catch (ParseException | IOException e) {
log.error(e.getMessage());
}
return result;
}
}