Arbitrate-Backend/ruoyi-common/src/main/java/com/ruoyi/common/utils/WxAppletNotifyUtils.java

package com.ruoyi.common.utils;

/**
 * @author wangqiong
 * @description 获取微信小程序url scheme
 * @date 2023-10-13 10:16
 */

import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;

public class WxAppletNotifyUtils {

    /**
     * scheme 跳转微信小程序，需中转H5

     */
    public static String jumpAppletSchemeUrl(){

         String  token= getAccessToken();

        //接口地址
        String url = "https://api.weixin.qq.com/wxa/generatescheme?access_token="+token;
        JSONObject body = JSONUtil.createObj();
        JSONObject jumpWxa = JSONUtil.createObj();
        jumpWxa.putOpt("path","pages/login");
        jumpWxa.putOpt("query","");
        jumpWxa.putOpt("env_version","release");
        body.putOpt("jump_wxa",jumpWxa);
        //链接过期类型：0时间戳 1间隔天数
        body.putOpt("expire_type",1);
        body.putOpt("is_expire",true);
        //指定失效天数，最多30
        body.putOpt("expire_interval",30);
        String post = HttpUtil.post(url,body.toJSONString(2));
        JSONObject result = JSONUtil.parseObj(post);
        if(result!=null && result.containsKey("openlink")){
         return    result.getStr("openlink");
        }
        return null;
    }


    //凭证调用
    public static String getAccessToken(){
        String token;
        //小程序APPID
        String appid="wx91cb8459dca561b4";//自行获取
        //小程序secret
        String secret="190aaa3bda96a65d25318fbb0e133fc6";//自己去公众号后台获取
        String httpUrl="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";

        httpUrl= httpUrl+"&appid="+appid+"&secret="+secret;
        //get请求
        String result = HttpUtil.get(httpUrl);
        //解析结果
        JSONObject jsonObject = JSONUtil.parseObj(result);
        //get AccessToken
        token=jsonObject.get("access_token",String.class,false);
        return token;
    }

}