基于ASP．NET的彩色汉字验证码的原理及其实现

The Theory and Implementation of the Color Chinese Character Authentication Code Based on ASP.NET

本文首先介绍了如何在ASP．NET中处理汉字编码的原理，利用ASP．NET生成动态的彩色汉字验证码，并给出了实现生成动态的彩色汉字验证码的程序代码。

The article first introduced theory of how to deal with the Chinese character coding in ASP.NET environment, then generating dynamic color Chinese characters certification code by employing the ASP,NET language, and giving entire detail of the coding.