小程序 php wecahtpay PHP 微信公众号 小程序获取支付参数。微信支付

PHP 微信公众号，小程序获取支付参数。微信支付

发布时间：-09-26 11:19,

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PHP

首先下载微信官方demo放入项目中

地址：/top-songshijie/WechatPay

引入其中所需的文件，复制以下代码直接使用即可

public function _initialize() { parent::_initialize(); require_once

EXTEND_PATH . "WechatPay/lib/WxPay.Api.php"; require_once EXTEND_PATH .

"WechatPay/example/WxPay.JsApiPay.php"; require_once EXTEND_PATH .

"WechatPay/lib/WxPay.Notify.php"; require_once EXTEND_PATH .

'WechatPay/example/log.php'; } public function pay($openId , $price , $order_sn

, $url) { $price = intval($price * 100); $tools = new \JsApiPay(); $input = new

\WxPayUnifiedOrder(); $input->SetBody(""); $input->SetAttach("");

$input->SetOut_trade_no($order_sn); $input->SetTotal_fee($price);

$input->SetTime_start(date("YmdHis")); $input->SetTime_expire(date("YmdHis",

time() + 600)); $input->SetGoods_tag(""); $input->SetNotify_url($url);

$input->SetTrade_type("JSAPI"); $input->SetOpenid($openId); $config = new

\WxPayConfig(); $order = \WxPayApi::unifiedOrder($config, $input);

$jsApiParameters = $tools->GetJsApiParameters($order); return

json_decode($jsApiParameters); } //回调 public function pay_notify() { $config =

new \WxPayConfig(); $notify = new \WxPayNotify(); $order = new OrderModel();

$user = new UsersModel(); $notify->Handle($config, false); $xml =

file_get_contents("php://input"); $base = new \WxPayResults(); $data =

$base->FromXml($xml); //验签 if ($base->CheckSign($config)) { $order_sn =

$data['out_trade_no']; } }