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我对多种产品使用标准的 Paypal 方法。我想在 Paypal 小部件中显示每笔交易的订单号。此订单号必须在 Paypal 小部件中对买家可见。有人能说如何向买家显示订单号吗?
您可以附加自定义字段并传递订单号。
'< input type="hidden" name="custom" value="#你的订单号#" >'