<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>4.1.19</version>
        </dependency>

import cn.hutool.http.HttpRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

public class HttpUtil {

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

    /**
     * post请求超时时间
     */
    private static final int TIME_OUT = 30 * 1000;

    public static final String POST = "POST";

    public static final String GET = "GET";


    /**
     * 发送GET请求
     *
     * @param url
     * @param paramMap
     * @return
     */
    public static String huToolGet(String url, Map<String, Object> paramMap) {
        return huToolGetWithHeader(url, paramMap, new HashMap<>(4));
    }

    /**
     * 发送get请求
     *
     * @param url
     * @param paramMap
     * @return
     */
    public static String huToolGetWithHeader(String url, Map<String, Object> paramMap, Map<String, String> headMap) {
        String result = "";
        try {
            result = HttpRequest.get(url)
                    .addHeaders(headMap)
                    .form(paramMap)
                    .timeout(TIME_OUT)
                    .execute()
                    .body();
        } catch (Exception e) {
            logger.error("【GET请求出错】{}", url, e);
        } finally {
            logger.info("【POST】url:{},headMap:{},paramMap:{},result:{}", url, JSON.toJSONString(headMap),
                    JSON.toJSONString(paramMap), result);

        }
        return result;
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param paramMap
     * @return
     */
    public static String huToolPost(String url, Map<String, Object> paramMap) {
        return huToolPostWithHeader(url, paramMap, new HashMap<>(4));
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param paramMap
     * @return
     */
    public static String huToolPostWithHeader(String url, Map<String, Object> paramMap, Map<String, String> headMap) {
        String result = "";
        try {
            result = HttpRequest.post(url)
                    .addHeaders(headMap)
                    .form(paramMap)
                    .timeout(TIME_OUT)
                    .execute()
                    .body();
        } catch (Exception e) {
            logger.error("【POST请求出错】{}", url, e);
        } finally {
            logger.info("【POST】url:{},headMap:{},paramMap:{},result:{}", url, JSON.toJSONString(headMap)
                    , JSON.toJSONString(paramMap), result);
        }
        return result;
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param headMap
     * @param body
     * @return
     */
    public static String huToolPostWithHeaderBody(String url, Map<String, String> headMap, String body) {
        String result = "";
        try {
            result = HttpRequest.post(url)
                    .addHeaders(headMap)
                    .body(body)
                    .timeout(TIME_OUT)
                    .execute()
                    .body();
        } catch (Exception e) {
            logger.error("【POST请求出错】{}", url, e);
        } finally {
            logger.info("【POST】url:{},body:{},headMap:{},result:{}", url, body, JSON.toJSONString(headMap), result);
        }
        return result;
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param body
     * @return
     */
    public static String huToolPostWithBody(String url, String body) {
        return huToolPostWithHeaderBody(url, null, body);
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param headMap
     * @param body
     * @return
     */
    public static String huToolPostWithBodyParam(String url, Map<String, Object> paramMap, String body) {
        String result = "";
        try {
            result = HttpRequest.post(url)
                    .form(paramMap)
                    .body(body)
                    .timeout(TIME_OUT)
                    .execute()
                    .body();
        } catch (Exception e) {
            logger.error("【POST请求出错】{}", url, e);
        } finally {
            logger.info("【POST】url:{},body:{},paramMap:{},result:{}", url, body, JSON.toJSONString(paramMap), result);
        }
        return result;
    }

    /**
     * 发送post请求
     *
     * @param url
     * @param paramMap
     * @return
     */
    public static String huToolPostFile(String url, Map<String, Object> paramMap, Map<String, String> headMap) {
        HashMap<String, String> headMap2 = new HashMap<>(8);
        headMap2.put("Content-Type", "multipart/form-data;");
        if (headMap != null) {
            for (Map.Entry<String, String> item : headMap.entrySet()) {
                headMap2.put(item.getKey(), item.getValue());
            }
        }
        String result = "";
        try {
            result = HttpRequest.post(url)
                    .addHeaders(headMap2)
                    .form(paramMap)
                    .timeout(TIME_OUT)
                    .execute()
                    .body();
        } catch (Exception e) {
            logger.error("【POST请求出错】{}", url, e);
        }
        return result;
    }
}