微信模板消息发送

由于现在公众号需要，增加了一个用户购买成功后推送消息。

代码：

   /**
     * 发送自定义的模板消息
     * @param $touser
     * @param $template_id
     * @param $url
     * @param $data
     * @param string $topcolor
     * @return bool
     */
    public function template($touser = '', $template_id = '', $url = '', $data = '', $topcolor = '#7B68EE') {
        $template = array(
            'touser' => $open_id,//用户openid
            'template_id' => 'AC6gmr61YOpCFVQ27rLsUSGsgnZhBlw3JpxKjQZjsSw',//模板id
            'url' => $url,//跳转的链接
            'topcolor' => $topcolor,//颜色
            'data' => array(//发送的数据
                'first' => array('value' => '您好，您购买商品成功了'),
                'keyword1' => array('value' => '商品1'),
                'keyword2' => array('value' => date('Y年m月d日 H:i', time())),
                'keyword3' => array('value' => '10元'),
                'keyword4' => array('value' => time()),
                'remark' => array('value' => '查看详情'),
            )
        );
        $json_template = json_encode($template);
        if (!isset($_SESSION['wechat_access_token']) || !isset($_SESSION['expires_in']) || $_SESSION['expires_in'] <= time()) {
            $result = $this->getWechatAccessToken();
            $_SESSION['expires_in'] = $result['expires_in'] + time();
            $_SESSION['wechat_access_token'] = $result['access_token'];
        }
        $url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=" . $wechat_access_token;
        $dataRes = $this->http_request($url, $json_template);
        $return_array = json_decode($dataRes, TRUE);
        if ($return_array['errcode'] == 0) {
            return true;
        } else {
            return false;
        }
    }

//获取 access_token

https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET

//curl

    function http_request($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);
        // 我们在POST数据哦！
        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;
    }