二维码订单 - 如何防止客户不在现场下订单
根据我的理解，二维码只是一个静态链接，当我用手机摄像头扫描二维码时就会打开它。
一旦打开，顾客即使在离开餐厅后也可以保留浏览器选项卡。如果是这样的话，我想知道如何防止顽皮的顾客在不在餐厅时刷新页面并下订单。
一种可能的解决方案是强制客户每次提交订单时立即在线支付。然而，这个解决方案在现金支付仍然流行的国家不起作用。
另一种解决方案是让二维码仅在餐厅 WiFi 网络内有效。这种解决方案使客户更难下订单，这不是一件好事，特别是如果我们必须为年龄较大的受众提供服务。
我尝试用谷歌搜索这个主题，但我发现的只是二维码订购软件的链接。我想知道人们如何在这些产品中解决这个问题。如果您碰巧知道，如果您能与我分享，我将非常感激。
From my understanding, a QR code is just a static link which get opened up when I scan the code with my phone's camera.
Once opened, a customer can keep the browser tab even after he leaves the restaurant. If that's the case, I'm wondering how I can prevent a naughty customer from refreshing the page and placing an order when he's not physically at the restaurant.
One possible solution is to force the customer to pay online immediately everytime he submits an order. However, this solution doesn't work in countries where cash payment is still popular.
Another solution is to make the QR code work inside the restaurant WiFi network only. This solution makes it harder for customers to place an order which is not a good thing, especially if we have to serve older audience.
I tried to google this topic but all I found are links to QR ordering software. I wonder how people are solving this problem in those products. If you happen to know, I'd be very grateful if you could share it with me.
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在餐厅发布关键字。在结帐期间，顾客必须在字段中输入此关键字，以确认他们在提交订单之前在物理上存在。通常将关键字旋转（确保它始终与网站上的预期值匹配），以使人们很难在离开后远程订购。为了避免人为错误，您甚至可以按计划自动更新关键字的数字显示。
您甚至可以使关键字符合餐厅的主题，以使其似乎并不是太不合时宜。
Post a keyword in the restaurant. During checkout, the patron must enter this keyword in a field to authenticate that they are physically present before submitting an order. Rotate the keyword routinely (make sure it always matches the expected value on the site) to make it difficult for people to order remotely once they leave. To avoid human error, you could even have a digital display that automatically updates the keyword on schedule.
You could even make the keywords fit with the theme of the restaurant so that it doesn't seem too out of place.
我只能通过餐厅的wifi访问该网站
I'd make the site only accessible via the wifi in the restaurant