HttpClient发送Post请求（一）

pom

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.3</version>
</dependency>

code

package com.xxxxxx.xxxxx;

import java.io.IOException;
import java.nio.charset.Charset;
import org.apache.http.HttpEntity;
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.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
* @author wushucheng
* @version 创建时间：2017年6月28日 下午5:20:23
* @TODO 类说明
*/
public class HttpUtil {

public static String post(String url, String body){

String result = null;
CloseableHttpClient client = null;
CloseableHttpResponse response = null;
try {
client = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
StringEntity stringEntity = new StringEntity(body, Charset.forName("UTF-8"));
httpPost.setEntity(stringEntity);
response = client.execute(httpPost);
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity);
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally{
if(response != null){
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(client != null){
try {
client.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

return result;
}

}

attention