235 lines
8.5 KiB
Java
235 lines
8.5 KiB
Java
package com.szxgl.nft.utils;
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import com.alibaba.fastjson.JSONObject;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpHeaders;
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import org.apache.http.HttpStatus;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.config.CookieSpecs;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClientBuilder;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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/**
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* HttpClients 请求工具类
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*
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* @author Leon
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* @datetime 2018年8月13日 下午4:42:17
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*/
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public class HttpClientUtil {
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private static Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);
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private static final CloseableHttpClient httpClient;
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static {
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RequestConfig globalConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.IGNORE_COOKIES).setConnectTimeout(5000).setSocketTimeout(5000).build();
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httpClient = HttpClientBuilder.create().setDefaultRequestConfig(globalConfig).build();
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}
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public static JSONObject doPost(String url, JSONObject json) {
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// CloseableHttpClient client = HttpClients.custom().setDefaultRequestConfig(globalConfig).build();
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HttpPost httpPost = new HttpPost(url);
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JSONObject response = null;
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CloseableHttpResponse res = null;
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try {
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// 设置请求的header
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httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
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httpPost.setHeader("Accept", "application/json;charset=utf-8");
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//--------------------设置不使用长连接-----------------------------
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httpPost.setHeader(HttpHeaders.CONNECTION, "close");
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StringEntity s = new StringEntity(formatPostData(json), "UTF-8");
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//s.setContentEncoding("UTF-8");
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// s.setContentType("x-www-form-urlencoded");//发送json数据需要设置contentType
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httpPost.setEntity(s);
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res = httpClient.execute(httpPost);
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int statusCode = res.getStatusLine().getStatusCode();
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if (statusCode != HttpStatus.SC_OK) {
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logger.info("请求接口返回状态吗, getStatusCode=" + statusCode + ", getReasonPhrase=" + res.getStatusLine().getReasonPhrase());
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httpPost.abort();
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throw new Exception("HttpClient,error status code :" + statusCode);
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}
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HttpEntity entity = res.getEntity();
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if (entity != null) {
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String result = EntityUtils.toString(entity, "UTF-8");
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response = JSONObject.parseObject(result);
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}
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} catch (Exception e) {
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logger.error("HTTP-POST请求出错, URL=" + url + "请求数据：" + json, e);
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} finally {
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httpPost.releaseConnection();
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if (res != null) {
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try {
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EntityUtils.consume(res.getEntity());
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} catch (IOException e) {
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}
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try {
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res.close();
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} catch (IOException e) {
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}
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//----------------------关闭-----------------------------
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if (httpPost != null) {
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httpPost.releaseConnection();
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}
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}
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}
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return response;
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}
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public static String doPost(String url, Map<String, String> params, String charset) {
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if (StringUtils.isBlank(url)) {
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return null;
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}
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if (StringUtils.isBlank(charset)) {
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charset = "utf-8";
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}
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HttpPost httpPost = null;
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try {
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List<NameValuePair> pairs = null;
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if (params != null && !params.isEmpty()) {
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pairs = new ArrayList<NameValuePair>(params.size());
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for (Entry<String, String> entry : params.entrySet()) {
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String value = entry.getValue();
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if (value != null) {
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pairs.add(new BasicNameValuePair(entry.getKey(), value));
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}
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}
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}
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httpPost = new HttpPost(url);
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if (pairs != null && pairs.size() > 0) {
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httpPost.setEntity(new UrlEncodedFormEntity(pairs, charset));
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}
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CloseableHttpResponse response = httpClient.execute(httpPost);
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode != 200) {
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httpPost.abort();
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throw new RuntimeException("HttpClient,error status code :" + statusCode);
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}
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HttpEntity entity = response.getEntity();
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String result = null;
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if (entity != null) {
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result = EntityUtils.toString(entity, charset);
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}
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EntityUtils.consume(entity);
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response.close();
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// System.out.println("------------"+result);
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return result;
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} catch (Exception e) {
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if (httpPost != null) {
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httpPost.abort();
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}
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e.printStackTrace();
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}
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return null;
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}
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/**
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* GET请求
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*
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* @param url
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* @return
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*/
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public static JSONObject doGet(String url) {
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HttpGet httpGet = new HttpGet(url);
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CloseableHttpResponse res = null;
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JSONObject response = null;
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try {
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// 设置请求的header
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httpGet.setHeader("Content-Type", "application/json;charset=utf-8");
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httpGet.setHeader("Accept", "application/json;charset=utf-8");
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res = httpClient.execute(httpGet);
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int statusCode = res.getStatusLine().getStatusCode();
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if (statusCode != HttpStatus.SC_OK) {
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logger.info("请求接口返回状态码, getStatusCode=" + statusCode + ", getReasonPhrase=" + res.getStatusLine().getReasonPhrase());
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httpGet.abort();
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throw new Exception("HttpClient,error status code :" + statusCode);
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}
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HttpEntity entity = res.getEntity();
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if (entity != null) {
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String result = EntityUtils.toString(entity, "UTF-8");
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response = JSONObject.parseObject(result);
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}
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} catch (Exception e) {
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logger.error("HTTP-GET请求出错, URL=" + url, e);
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} finally {
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httpGet.releaseConnection();
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if (res != null) {
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try {
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EntityUtils.consume(res.getEntity());
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} catch (IOException e) {
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}
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try {
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res.close();
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} catch (IOException e) {
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}
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}
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}
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return response;
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}
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protected static String formatPostData(JSONObject json) {
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String result = null;
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try {
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JSONObject jsonObject = json;
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if (jsonObject != null) {
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result = "?";
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for (Entry<String, Object> entry : jsonObject.entrySet()) {
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if (StringUtils.isEmpty(result)) {
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result = entry.getKey() + "=" + entry.getValue();
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} else {
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result += "&" + entry.getKey() + "=" + entry.getValue();
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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protected static String formatPostData(String strdata) {
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String result = strdata;
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try {
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JSONObject jsonObject = JSONObject.parseObject(strdata);
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if (jsonObject != null) {
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result = "";
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for (Entry<String, Object> entry : jsonObject.entrySet()) {
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if (StringUtils.isEmpty(result)) {
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result = entry.getKey() + "=" + entry.getValue();
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} else {
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result += "&" + entry.getKey() + "=" + entry.getValue();
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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}
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