Notice: Undefined index: out_trade_no in D:\phpStudy\WWW\order_nopay\wxzf\demo\refund.php on line 15
Notice: Undefined index: refund_fee in D:\phpStudy\WWW\order_nopay\wxzf\demo\refund.php on line 17
Notice: Undefined index: out_refund_no in D:\phpStudy\WWW\order_nopay\wxzf\demo\refund.php on line 19
Notice: Undefined index: money in D:\phpStudy\WWW\order_nopay\wxzf\demo\refund.php on line 21
Notice: Undefined index: transaction_id in D:\phpStudy\WWW\order_nopay\wxzf\WxPayPubHelper\WxPayPubHelper.php on line 442
退款申请接口中,out_trade_no、transaction_id至少填一个!