package com.mindskip.xzs.utility;
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import org.apache.http.HttpEntity;
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import org.apache.http.client.methods.HttpGet;
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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.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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/**
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* @version 2.2.0
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* @description: 微信工具类
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* Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
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* @date 2021 /9/7 9:45
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*/
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public class WechatUtil {
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private static final Logger logger = LoggerFactory.getLogger(WechatUtil.class);
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private static final String openIdUrl = "https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code";
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/**
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* 获取openId
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*
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* @param appId the app id
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* @param secret the secret
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* @param code the code
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* @return the open id
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*/
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public static String getOpenId(String appId, String secret, String code) {
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try (CloseableHttpClient httpClient = HttpClientBuilder.create().build()) {
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String requestUrl = String.format(openIdUrl, appId, secret, code);
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HttpGet httpGet = new HttpGet(requestUrl);
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HttpEntity responseEntity = httpClient.execute(httpGet).getEntity();
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if (responseEntity != null) {
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String responseStr = EntityUtils.toString(responseEntity);
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if (responseStr.contains("openid")) {
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WechatResponse wechatResponse = JsonUtil.toJsonObject(responseStr, WechatResponse.class);
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return wechatResponse.getOpenid();
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}
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}
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} catch (IOException e) {
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logger.error(e.getMessage(), e);
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}
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return null;
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}
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}
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