{     "code": 200,     "msg": "success",     "data": {         "timeStamp": "1676551631",         "nonceStr": "6XZG5JD4H1Y79RFQOTI3VEPNSBCAW8MU",         "package": "prepay_id=wx16204711623191ebbca668131cddb30000",         "signType": "RSA",         "paySign": "wEdYtkdvKK+5v1JQDFmAJ5wO6Mb6fEnlglRw75AorkFMiVUILeBitRWFPuj1XfiWblHE25FbB7KohCTQBekVJjAE/CSudq1N2Geo0op1CVIYykF1iRKJjNK2Bi4zYfs7Yeh8B23ijUjsPpDoKkCKbiWCwUunki1+NvRTDjiXyNwCHPMRpHTWkusl3Ee7Y2krAylpcyxI/NwRDuCniuX9HJNMv/KOut6qWMXEonU7rLGUSshMBrYihwbZsxjHRFjpSdohENsQvT73gac3akMTYrjYzpz/1TOoEQTvsCKaQgoG3638Lx36effKawnr6oKS1RDsQB0U8xqhdQ3ke48OOA=="     } } prepay_id都获取正常，调起支付的时候，报jsapi缺少参数 total_free的问题。那位大神能给看看 下面是PHP的签名代码。现在不知道是获取prepay_id的问题，还是调起支付签名的问题？ //根据prepay_id, //微信小程序调起支付的参数和签名 $prepay_id = $wechatPayMsg; //时间戳 $timeStampMini = time() . ""; //随机串 $nonceStr = Order::rand_code(); $package = "prepay_id=" . $prepay_id; $miniMessage = $config["miniapp_id"] . chr(10) . $timeStampMini. chr(10) .$nonceStr . chr(10) .$package . chr(10); openssl_sign($miniMessage, $mini_sign, $private_key, 'sha256WithRSAEncryption'); $sign = base64_encode($mini_sign); $signType = "RSA"; $data = [ "timeStamp" => $timeStampMini, "nonceStr" => $nonceStr, "package" => $package, "signType" => $signType, "paySign" => $sign ];