请求地址"https://api.weixin.qq.com/cgi-bin/message/wxopen/template/uniform_send?access_token=" + accessToken;
请求参数：{
    "touser":"ov2cR5Xt-kDoypst8ej*******",
    "mp_template_msg":{
        "data":{
            "character_string4":{
                "color":"#173177",
                "value":"2020022411033727882"
            },
            "amount2":{
                "color":"#173177",
                "value":"100万元"
            },
            "date3":{
                "color":"#173177",
                "value":"2021年5月7日12:02:29"
            },
            "thing1":{
                "color":"#173177",
                "value":"充值成功100万"
            }
        },
        "appid":"*****",
        "template_id":"DCc1iVY8oyKVQISEr1xBlOScC2Yl5oHclb*******",
        "miniprogram":{
            "pagepath":"pages/newHomePage/newHomePage",
            "appid":"wxfbb0714f70******"
        },
        "url":"http://weixin.qq.com/download"
    }
}
其中accessToken和touser都是小程序的openid
小程序和公招已关联