怎样写验证码？ [英] How to write the Captcha?

问题描述

我开发的，我想放置CAPTCHA登记表。我生成一个随机字符串，但如何将其转换成其他图像明智的我怎么能发展CAPTCHA code或任何引用。谢谢

I am developing a registration form in that i want to place the CAPTCHA . i generate a random string but how to convert that into the image other wise how can i develop the CAPTCHA code or any reference. thank you

推荐答案

试用验证码或支票出诶博客文章验证码使用Asp.Net ，我有时回信

Try out reCaptcha or check out eh blog post "Captcha Using Asp.Net" which I wrote sometime back.

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