使用Actionscript3.0实现加减法验证码

The Use of Actionscript3.0 Realize Addition and Subtraction Verification Code

验证码是软件系统中必不可少的安全技术,它可以有效地防止恶意的录入。Flash应用程序现在广泛地被使用,在Flash中实现验证码是这类软件所必须的。Flash软件的开发语言Actionscript拥有丰富的绘图API,通过这些API完全可以实现软件所需的验证码。

The verification code is software system essential safety technology,which can effectively prevent malicious input.The Flash application is now widely used,in the Flash to achieve verification code is the software required.Development of Flash software in ActionScript language with rich graphics API,through the API can realize completely the software required for the verification code.