spring boot+spring mvc+spring整合开发QQ音乐微信小程序（含简单服务端）的代码详情-代码-最代码

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001package com.xin.music.utils;
002 
003import org.apache.http.Header;
004import org.apache.http.HttpEntity;
005import org.apache.http.HttpResponse;
006import org.apache.http.NameValuePair;
007import org.apache.http.client.HttpClient;
008import org.apache.http.client.entity.UrlEncodedFormEntity;
009import org.apache.http.client.methods.HttpGet;
010import org.apache.http.client.methods.HttpPost;
011import org.apache.http.impl.client.HttpClients;
012import org.apache.http.message.BasicNameValuePair;
013import org.apache.http.util.EntityUtils;
014import org.springframework.stereotype.Component;
015 
016import java.util.ArrayList;
017import java.util.Iterator;
018import java.util.List;
019import java.util.Map;
020 
021/**
022 * HttpClient工具类
023 */
024@Component
025public class HttpClientUtil {
026 
027 
028    /**
029     * 模拟post请求，获取返回数据
030     * @param url
031     * @param map
032     * @param charest
033     * @param headerList
034     * @return
035     */
036    public static String doPost(String url, Map<String, Object> map, String charest, List<Header> headerList) {
037        HttpClient httpClient = null;
038        HttpPost httpPost = null;
039        String result = null;
040        try {
041            httpClient = HttpClients.createDefault();
042            httpPost = new HttpPost(url);
043            //设置请求头，反盗链
044            for(Header header:headerList){
045//                httpPost.setHeader(header.getName(),header.getValue());
046                httpPost.setHeader(header);
047            }
048            //设置参数
049            List<NameValuePair> list = new ArrayList<>();
050            Iterator iterator = map.entrySet().iterator();
051            while (iterator.hasNext()) {
052                Map.Entry<String, Object> elem = (Map.Entry<String, Object>) iterator.next();
053                list.add(new BasicNameValuePair(elem.getKey(), (String) elem.getValue()));
054            }
055            if (list.size() > 0) {
056                //封装实体
057                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, charest);
058                httpPost.setEntity(entity);
059            }
060            //拿到返回结果
061            HttpResponse response = httpClient.execute(httpPost);
062            if (response != null) {
063                HttpEntity resEntity = response.getEntity();
064                if (resEntity != null) {
065                    result = EntityUtils.toString(resEntity, charest);
066                }
067            }
068        } catch (Exception e) {
069            e.printStackTrace();
070        }
071        return result;
072    }
073 
074    /**
075     * 模拟get请求
076     * @param url
077     * @param headerList
078     * @param charest
079     * @return
080     */
081    public static String doGet(String url, List<Header> headerList, String charest){
082 
083        HttpClient httpClient = null;
084        HttpGet httpGet = null;
085        String result = null;
086        try {
087            httpClient = HttpClients.createDefault();
088            httpGet = new HttpGet(url);
089            //设置请求头
090            for(Header header:headerList){
091                httpGet.setHeader(header);
092            }
093            HttpResponse httpResponse = httpClient.execute(httpGet);
094            if(httpResponse!=null){
095                HttpEntity httpEntity = httpResponse.getEntity();
096                if(httpEntity!=null){
097                    result = EntityUtils.toString(httpEntity,charest);
098                }
099            }
100        }catch (Exception e){
101            e.printStackTrace();
102        }
103        return result;
104    }
105}