1.获取到token，
2.把需要的信息加到模板里，转码推送.

 /**
    * 发送模板消息
    */
     public function send_notice($openid,$data){
     //获取access_token

     if (Session::get('access_token')){
     $access_token2=Session::get('access_token');
     }else{
            $appid = config('appid');
            $secret = config('appsecret');
     $json_token=$this->curl_post("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $secret . "");

      
     $access_token1=json_decode($json_token,true);
     $access_token2=$access_token1['access_token'];
     Session::set('access_token',$access_token2,7200);
     }
     //模板消息
     $json_template = $this->json_tempalte($openid,$data);

     $url="https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$access_token2;

     $res=$this->curl_post($url,urldecode($json_template));
     $res=explode(',', $res);
     if ($res[0]==0){
     return '发送成功';
     }else{
     return '发送失败';
     }
     }
     /**
     * 将模板消息json格式化
     */
     public function json_tempalte($openid,$data){
     //模板消息
     $tenpalate_id =config('tenpalate_id');
     $time=date( "Y-m-d", $data['create_time']);
     $url =config('url');
     $template=array(
     'touser'=>"$openid", //用户openid
     'template_id'=>"$tenpalate_id", //在公众号下配置的模板id
     'url'=>"$url", //点击模板消息会跳转的链接
     'topcolor'=>"#7B68EE",
     'data'=>array(
     'first'=>array('value'=>urlencode("有新的预约来了~"),'color'=>"#FF0000"),
     'keyword1'=>array('value'=>urlencode($time),'color'=>'#FF0000'), //keyword需要与配置的模板消息对应
     'keyword2'=>array('value'=>urlencode($data['site']),'color'=>'#FF0000'),
     'keyword3'=>array('value'=>urlencode($data['order_cate_id']),'color'=>'#FF0000'),
     //'keyword4'=>array('value'=>urlencode('测试状态'),'color'=>'#FF0000'),
     'remark' =>array('value'=>urlencode($data['remark']),'color'=>'#FF0000'), )
     );
     $json_template=json_encode($template);
     return $json_template;
     }
     /**
     * @param $url
     * @param array $data
     * @return mixed
     * curl请求
     */
     function curl_post($url , $data=array()){
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
     // POST数据
     curl_setopt($ch, CURLOPT_POST, 1);
     // 把post的变量加上
     curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
     $output = curl_exec($ch);
     curl_close($ch);
     return $output;
     }