paypal, php - 将 paypal 付款集成到网站中

paypal, php - integrate a paypal payment into a website(paypal, php - 将 paypal 付款集成到网站中)

问题描述

大家好.

我有一个预订网站.这里我需要集成一个paypal支付.

I have a booking site. Here I need to integrate a paypal payment.

场景是这样的:X进入网站，填写一个表格，里面有很多细节(姓名、时间段、房间类型等等……大约20个字段).详细信息将发送到计算价格的脚本.

Scenario is like this: X enters into the site, fill in a form with a lot of details (name, period, room type, whatever... about 20 fields). The details are sent to a script that calculate the price.

现在我需要的是让用户付款.我必须使用授权&捕获来执行此操作(当然是为了能够在期限内取消付款).

Now what I need is to get the user to pay. I must use authorization & capture to do this (in order to be able to cancel a payment during the time limit of course).

首先尝试生成一个立即付款按钮.但是这种请求一个固定的价格(我的是生成的).

First try was to generate a pay now button. But this kind of request a fixed price (and mine is generated).

第二个是添加到购物车按钮.同样的事情.

Second was an add to cart button. Same thing.

经过一些研究，我发现我需要快速结账(我认为......不确定).我使用了来自 https://www.paypal-labs.com/integrationwizard 的代码生成器/ecpaypal/code.php.

After some research I found that express checkout is what I need (I think... not sure). I used the code generator from https://www.paypal-labs.com/integrationwizard/ecpaypal/code.php.

问题是这个还需要一些运输细节和其他无用的东西.我也没有看到我在哪里填写访问者姓名/信用/任何...

The problem is that this one require some shipping details also and other useless things. Also I don't see where I fill the visitors name/credit/whatever...

我只想要简单的付款.无论如何我可以使用表单并将值发送到指定的地址吗?或类似的东西?就像你知道的……任何普通的 API.

I just want a simple payment. Is anyway I can use a form and send the values to a specified address? Or something like that? Like you know... any normal API.

推荐答案

我最近完成了这个.您可以使用 PayPal 的 xclick 按钮将自定义数据(即价格和运费)发送到 PayPal.然后客户将通过 PayPal 付款并将即时付款通知发送到您选择的服务器上的文件，然后使用 IPN 验证数据并按照您的意愿处理订单.

I've recently done this. You can use PayPal's xclick button, to send custom data (that is, price and shipping) to PayPal. Then the customer will pay via PayPal and send an instant payment notification to a file on your server of your choice, then validate the data using the IPN and process the order how you like.

<form action="https://secure.paypal.com/uk/cgi-bin/webscr" method="post" name="paypal" id="paypal">
    <!-- Prepopulate the PayPal checkout page with customer details, -->
    <input type="hidden" name="first_name" value="<?php echo Firstname?>">
    <input type="hidden" name="last_name" value="<?php echo Lastname?>">
    <input type="hidden" name="email" value="<?php echo Email?>">
    <input type="hidden" name="address1" value="<?php echo Address?>">
    <input type="hidden" name="address2" value="<?php echo Address2?>">
    <input type="hidden" name="city" value="<?php echo City?>">
    <input type="hidden" name="zip" value="<?php echo Postcode?>">
    <input type="hidden" name="day_phone_a" value="">
    <input type="hidden" name="day_phone_b" value="<?php echo Mobile?>">

    <!-- We don't need to use _ext-enter anymore to prepopulate pages -->
    <!-- cmd = _xclick will automatically pre populate pages -->
    <!-- More information: https://www.x.com/docs/DOC-1332 -->
    <input type="hidden" name="cmd" value="_xclick" />
    <input type="hidden" name="business" value="paypal@email.com" />
    <input type="hidden" name="cbt" value="Return to Your Business Name" />
    <input type="hidden" name="currency_code" value="GBP" />

    <!-- Allow the customer to enter the desired quantity -->
    <input type="hidden" name="quantity" value="1" />
    <input type="hidden" name="item_name" value="Name of Item" />

    <!-- Custom value you want to send and process back in the IPN -->
    <input type="hidden" name="custom" value="<?php echo session_id().?>" />

    <input type="hidden" name="shipping" value="<?php echo $shipping_price; ?>" />
    <input type="hidden" name="invoice" value="<?php echo $invoice_id ?>" />
    <input type="hidden" name="amount" value="<?php echo $total_order_price; ?>" />
    <input type="hidden" name="return" value="http://<?php echo $_SERVER['SERVER_NAME']?>/shop/paypal/thankyou"/>
    <input type="hidden" name="cancel_return" value="http://<?php echo $_SERVER['SERVER_NAME']?>/shop/paypal/cancelled" />

    <!-- Where to send the PayPal IPN to. -->
    <input type="hidden" name="notify_url" value="http://<?php echo $_SERVER['SERVER_NAME']?>/shop/paypal/process" />
</form>

一旦客户付款，PayPal 会通知您的脚本，之后您可以做任何您想做的事情来处理成功的付款.

Once the customer pays, PayPal will notify your script, and you can do whatever you want after that to process a successful payment.

在您的 PHP 文件中处理付款:Paypal 开发者链接

To process the payment in your PHP file: Paypal Developers LINK

* NEVER TRUST ANY USER SUBMITTED DATA *

对于所有 PayPal 交易，用户可以编辑表单中的数据并提交不需要或不正确的数据.您应该将所有变量(例如 ID、金额、运费等)保存在数据库中，并在从 PayPal 收到 IPN 请求时进行验证(以确保它们匹配).

With all PayPal transactions, users can edit the data in the form and submit unwanted or incorrect data. You should save all your variables (such as ID, amount, shipping, etc...) in a database, and validate when the IPN request is received back from PayPal (to make sure they match).

以与处理 SQL 数据相同的安全性处理 PayPal 交易，避免所有变量，从不信任任何用户提交的数据并始终验证您的数据.

Treat a PayPal transaction with the same security as you do with SQL data, escape all variables, never trust any user submitted data and always validate your data.

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