支付到期时间

@@ -10,10 +10,11 @@ class AliwapReqparams
 	
 	public function __construct($_orderCode, $_totalFee, $_goodName, $client_ip, $_orderTime, $_paymentParameter="", $_isTest=false, $_payExpire = '')
 	{
+		//当前时间加六十秒，访问有误差。支付宝是yy-mm-dd HH:ii，没有秒
         if (empty($_payExpire)) {
-			$_payExpire = strtotime('+2 hours', $_orderTime);
+			$_payExpire = strtotime('+2 hours', $_orderTime) + 60;
 		} else {
-			$_payExpire = strtotime($_payExpire);
+			$_payExpire = strtotime($_payExpire) + 60;
 		}
 
         $this->orderCode = $_orderCode;
@@ -23,7 +24,7 @@ class AliwapReqparams
         $this->orderTime = $_orderTime;
         $this->paymentParameter = $_paymentParameter;
         $this->isTest = $_isTest;
-        $this->payExpire = date('Y-m-d H:i', $_payExpire);//到期时间
+        $this->payExpire = $_payExpire;//到期时间
 	}
 	
 	/**

@@ -39,7 +39,7 @@ class AliwapService
             /* 业务参数 */
             'payment_type' => $this->config->payment_type,
             'seller_id' => $this->config->partner,
-            'it_b_pay'  =>  $params->payExpire,
+            'it_b_pay'  =>  date('Y-m-d H:i', $params->payExpire),
             'payment_type' => $this->config->payment_type,
             'out_trade_no' => $params->orderCode,
             'subject' => $params->goodsName,