api/controller/ApiWechat.php

public function getSignPackage($jsapiTicket,$redirectUrl,$appid,$jsApiList) {
        $url = $redirectUrl;
        $timestamp = time();
        $nonceStr = $this->createNonceStr();
        // 这里参数的顺序要按照 key 值 ASCII 码升序排序
        $string = "jsapi_ticket=".$jsapiTicket."&noncestr=".$nonceStr."×tamp=".$timestamp."&url=".$url."";
        $signature = sha1($string);

        $signPackage = array(
            "debug"    =>true,
            "appId"     => $appid,
            "nonceStr"  => $nonceStr,
            "timestamp" => $timestamp,
            "signature" => $signature,
            "jsApiList" => $jsApiList,
            "openTagList"=>["wx-open-subscribe"]
        );
        return $signPackage;
    }

前端 notice.html

<wx-open-subscribe template="CH930CkG426xV2OZ2-4BL5SPD33Jon55GjgZp_GyrBc" id="subscribe-btn">
  <script type="text/wxtag-template" slot="style">
    <style>
      .subscribe-btn {
        color: #fff;
        background-color: #07c160;
      }
    </style>
  </script>
  <script type="text/wxtag-template">
    <button id="subscribe-btn">
      一次性模版消息订阅              
    </button>
  </script>
</wx-open-subscribe>
<script src="https://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>
<script src="https://res2.wx.qq.com/open/js/jweixin-1.6.0.js" ></script>
<script>
$(document).ready(function(){
        // 在这里写你的代码...
        $.getJSON("https://zhyframe.fzh.fun/app/index.php?i=1023&from=wxapp&c=entry&a=wxapp&do=api_wechat|getJssdkConfig&url=https%3a%2f%2fzhyframe.fzh.fun%2fnotice.html", function(res){
            var data = res.data;
            wx.config(data);
        });
    });
var btn = document.getElementById('subscribe-btn');

btn.addEventListener('success', function (e) {            
  console.log('success', e.detail);
});   
btn.addEventListener('error',function (e) {             
  console.log('fail', e.detail);
});
</script>