Various methods. Paypal is a quick and easy option, or you can go with a service like Authorize.net which will cost a bit, but will also provide a quick and commonly-used payment-gateway.
Depending on the ecommerce solution you're using, there are likely several creditcard-modules already developed by the community of users.
两种最简单的方法是 PayPal 和 Google Checkout。还存在许多其他因素。取决于你到底想要什么。此外，根据您的网站，可以使用几种现成的购物车解决方案（ZenCart？）。
Two of the most easy ways are PayPal and Google Checkout. many others also exist. Depends on what exactly you want. Also, depending on your website, several ready-made solutions for shopping carts are available (ZenCart?).
As others have said PayPal is good tool amongst others to use. Having successfully done an integration with PayPal, I found the integration to be very straight forward and painless. Here is the link to the developer site, where you can find documentation, code samples and sandbox access to simulate Credit Card Transactions. I hope this helps.
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各种方法。 Paypal 是一个快速且简单的选择，或者您也可以使用 Authorize.net 这会花费一些，但也会提供一个快速且常用的支付网关。
根据您使用的电子商务解决方案，用户社区可能已经开发了多个信用卡模块。
Various methods. Paypal is a quick and easy option, or you can go with a service like Authorize.net which will cost a bit, but will also provide a quick and commonly-used payment-gateway.
Depending on the ecommerce solution you're using, there are likely several creditcard-modules already developed by the community of users.
两种最简单的方法是 PayPal 和 Google Checkout。还存在许多其他因素。取决于你到底想要什么。此外，根据您的网站，可以使用几种现成的购物车解决方案（ZenCart？）。
Two of the most easy ways are PayPal and Google Checkout. many others also exist. Depends on what exactly you want. Also, depending on your website, several ready-made solutions for shopping carts are available (ZenCart?).
正如其他人所说，PayPal 是一个很好用的工具。成功与 PayPal 集成后，我发现集成非常直接且轻松。 这里是开发者网站的链接，您可以在其中找到文档、代码示例和沙箱访问权限模拟信用卡交易。我希望这有帮助。
As others have said PayPal is good tool amongst others to use. Having successfully done an integration with PayPal, I found the integration to be very straight forward and painless. Here is the link to the developer site, where you can find documentation, code samples and sandbox access to simulate Credit Card Transactions. I hope this helps.