package com.sinata.web.controller.tool.weChat;
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import cn.hutool.http.HttpRequest;
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import cn.hutool.http.HttpResponse;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 微信工具类
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*/
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@Slf4j
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@Component
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public class WeChatUtil {
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@Value("456")
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private String wxAppletsAppid;
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@Value("123")
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private String wxAppletsAppSecret;
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// @Value("${wx.appid}")
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private String webAppId;
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// @Value("${wx.appSecret}")
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private String webAppSecret;
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/**
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* 小程序使用jscode获取openid
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* @param jscode
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* @return
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*/
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public Map<String, Object> code2Session(String jscode) {
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String url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + wxAppletsAppid + "&secret=" + wxAppletsAppSecret
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+ "&js_code=" + jscode + "&grant_type=authorization_code";
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HttpRequest get = HttpUtil.createGet(url);
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HttpResponse response = get.execute();
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int status = response.getStatus();
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if(200 != status){
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throw new RuntimeException(response.body());
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}
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JSONObject jsonObject = JSON.parseObject(response.body());
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int errcode = jsonObject.getIntValue("errcode");
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Map<String, Object> map = new HashMap<>();
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map.put("errcode", errcode);
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if(errcode == 0){//成功
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map.put("openid", jsonObject.getString("openid"));
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map.put("sessionKey", jsonObject.getString("session_key"));
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map.put("unionid", jsonObject.getString("unionid"));
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return map;
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}
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if(errcode == -1){//系统繁忙，此时请开发者稍候再试
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map.put("msg", jsonObject.getString("errmsg"));
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return map;
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}
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if(errcode == 40029){//code 无效
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map.put("msg", jsonObject.getString("errmsg"));
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return map;
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}
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if(errcode == 45011){//频率限制，每个用户每分钟100次
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map.put("msg", jsonObject.getString("errmsg"));
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return map;
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}
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return null;
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}
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}
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