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Notice: Undefined index: out_trade_no in D:\phpStudy\WWW\bkp\order\wxzf\WxPayPubHelper\WxPayPubHelper.php on line 497

Notice: Undefined index: transaction_id in D:\phpStudy\WWW\bkp\order\wxzf\WxPayPubHelper\WxPayPubHelper.php on line 498

Notice: Undefined index: refund_id in D:\phpStudy\WWW\bkp\order\wxzf\WxPayPubHelper\WxPayPubHelper.php on line 499
退款查询接口中，out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个！

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