从HTML表单过帐任意数量的记录 [英] POSTing an arbitrary number of records from an HTML form

问题描述

我正在制作一个网页，其中有一个产品列表，每个产品旁边都有一个字段，客户可以在其中输入他们要订购的数量.产品列表是从数据库生成的，因此产品数量未知.有没有一种方法可以发布所订购的每种产品的数量以及每种产品的ID(来自数据库)?

I'm making a web page in which I have a list of products, along with a field next to each product in which a customer is meant to enter the quantity they want to order. The list of products is generated from a database and therefore the number of products isn't known. Is there a way of POSTing the quantity of each product ordered along with the IDs (from the database) of each product?

谢谢

本

推荐答案

您可以使用数组符号创建表单字段，例如:

You can create form fields with array notation, for example:

<input type="text" name="quantity[productid]">

因此，您可以像这样在表单中动态生成一些字段:

So you could dynamically generate some fields in your form like this:

<input type="text" name="quantity[3]">
<input type="text" name="quantity[4]">
<input type="text" name="quantity[2]">

然后在PHP中它将变成一个可以轻松循环的数组:

And then in PHP it will become an array you can loop over easily:

foreach ($_POST['quantity'] as $productId => $quantity) {
    echo (int) $productId . ':' . (int) $quantity;
    //etc.
}

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