PHP微信支付功能示例

import("wxpay.lib.AppPay#Config", EXTEND_PATH, ".php");import("wxpay.lib.WxPay#Api", EXTEND_PATH, ".php");//$this->weixinpay();$config = new /AppPayConfig();//订单号$appId = $config->GetAppId();$key = $config->GetKey();$money = 0.01 * 100;$orderSn = 'M201810241754107557';//订单号;$curTime = time();$input = new /WxPayUnifiedOrder();$input->SetBody("用户红包");$input->SetOut_trade_no($orderSn);$input->SetTotal_fee($money);$input->SetTrade_type("APP");$unifiedOrder = /WxPayApi::unifiedOrder($config, $input);if ($unifiedOrder['result_code'] == 'SUCCESS' && $unifiedOrder['return_code'] == 'SUCCESS') {  /*$unifiedOrder 组成：   * ["appid"] => string(18) "wx2xxxx49"  ["mch_id"] => string(10) "1xxxxxx01"  ["nonce_str"] => string(16) "1GnEUXTuTcFtJVtb"  ["prepay_id"] => string(36) "wx241933xxx68fa24ece70611692955"  ["result_code"] => string(7) "SUCCESS"  ["return_code"] => string(7) "SUCCESS"  ["return_msg"] => string(2) "OK"  ["sign"] => string(32) "7903xxxxx4710E460CB156"  ["trade_type"] => string(3) "APP"*/  $curTime = time();  // 第一部分  $wxpayResult = new /WxPayResults();  $wxpayResult->SetData('appid', $unifiedOrder['appid']);  $wxpayResult->SetData('partnerid', $unifiedOrder['mch_id']);  $wxpayResult->SetData('prepayid', $unifiedOrder['prepay_id']);  $wxpayResult->SetData('noncestr', $unifiedOrder['nonce_str']);  $wxpayResult->SetData('timestamp',$curTime);  $wxpayResult->SetData('package',"Sign=WXPay");  $wxpayResult->SetData('sign',"");  $wxpayResult->SetSign($config);  $data = $wxpayResult->GetValues();  // 第二部分  $data['appid'] = $unifiedOrder['appid'];  $data['partnerid'] = $unifiedOrder['mch_id'];  $data['prepayid'] = $unifiedOrder['prepay_id'];  $data['noncestr'] = $unifiedOrder['nonce_str'];;  $data['timestamp'] = $curTime;  $data['package'] = "Sign=WXPay";  $data['sign'] = $this->wxappPaySign($key, $data);//$unifiedOrder['sign'];//签名,具体签名方案参见微信公众号支付帮助文档;  $this->returnSuccess($data);} else {  Log::write(var_export($unifiedOrder, true));  $this->returnError(300, '微信支付失败');}private function wxappPaySign($key,$parameters){  $sign = md5(sprintf("appid=%s&noncestr=%s&package=%s&partnerid=%s&prepayid=%s×tamp=%s&key=%s",    $parameters['appid'],    $parameters['noncestr'],    $parameters['package'],    $parameters['partnerid'],    $parameters['prepayid'],    $parameters['timestamp'],    $key));  return strtoupper($sign);}