package com.hxwy.erp.common.utils;import com.alibaba.fastjson.JSONObject;import org.springframework.util.StreamUtils;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpStatus;import org.apache.commons.httpclient.NameValuePair;import org.apache.commons.httpclient.methods.PostMethod;import java.nio.charset.Charset;import java.util.ArrayList;import java.util.List;import java.util.Map;public class HttpClientUtils { public static JSONObject doPost(String url, JSONObject json) { HttpClient httpClient = new HttpClient(); PostMethod method = new PostMethod(url); List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); if (json != null) { for (Map.Entry<String, Object> entry : json.entrySet()) { nameValuePairs.add(new NameValuePair(entry.getKey(), entry.getValue().toString())); } } NameValuePair[] param = nameValuePairs.toArray(new NameValuePair[nameValuePairs.size()]); method.addParameters(param); try { int statusCode = httpClient.executeMethod(method); return JSONObject.parseObject(StreamUtils.copyToString(method.getResponseBodyAsStream(), Charset.forName("utf-8"))); } catch (Exception e) { e.printStackTrace(); } finally { method.releaseConnection(); } return new JSONObject();}}
来源：https://www.cnblogs.com/yyhhblog/p/11715130.html