// 发送模板消息
function send_template_message($data,$appId,$appSecret){
  $access_token = get_access_token($appId,$appSecret);
  $url = 'https://api.weixin.qq.com/cgi-bin/message/template/send?access_token='.$access_token;
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
  curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8','Content-Length: ' . strlen($data)));
  ob_start();
  curl_exec($ch);
  $return_content = ob_get_contents();
  ob_end_clean();
  $return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  return array($return_code, $return_content);
}

$data = array(
  'first' => array(
    'value'=> urlencode('您好,你购买的商品已经发货了'),
    'color' => '#743A3A',
  ),
    'orderMoneySum' => array('value' => urlencode('222'),
    'color' => '#743A3A',
  ),
    'orderProductName' => array('value' => urlencode('111'),
    'color' => '#743A3A',
  ),
    'Remark' => array('value' => urlencode('你的订单已提交,我们尽快发货'),
    'color' => '#743A3A',
  ),
);

$array = array(
  'touser' => $openid,
  'template_id' => $template_id,
   'url' => urlencode($url),
  'topcolor'=>'#FF0000',
  'data' => $data,
 );

send_template_message(urldecode(json_encode($array)),$this->appId,$this->appSecret);

因为每个模板不一样,所有data数据也是有区别