HttpUtils 发送HTTP/HTTPS/{get/post}请求

Posted light-zhang

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import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.gson.Gson;

/**
 * HTTP请求辅助工具
 * 
 * @project iweixin
 * @fileName WeixinUtil.java
 * @Description
 * @author light-zhang
 * @date 2018年5月29日下午3:29:42
 * @version 1.0.0
 */
public class HttpUtils {

    private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);

    /**
     * 发送GET请求
     * 
     * @param url
     * @param obj
     * @return
     */
    public static <T> T doGet(String url, Class<T> _class) {
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpGet httpGet = new HttpGet(url);
        try {
            HttpResponse response = httpClient.execute(httpGet);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                logger.debug("*********************doGet-URL****************" + url);
                return new Gson().fromJson(EntityUtils.toString(entity, "utf-8"), _class);
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 发送POST请求
     * 
     * @param url
     * @param _class
     * @return
     */
    public static <T> T doPost(String url, Class<T> _class) {
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost httpPost = new HttpPost(url);
        try {
            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                logger.debug(
                        "*********************doPost-URL****************" + url);
                return new Gson().fromJson(EntityUtils.toString(entity, "utf-8"), _class);
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}

 

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