用于指纹识别，SDK 3.0 Pro分为1:1和1:N两个控件，其中接口属性和方法基本相同，而接口方法只有涉及1:N比对部分不同，因此以下综合说明两个控件，不同之处将分别标出和说明,SDK is a software development kit (SDK) that enables a wide range of applications to use fingerprint recognition. Software developers can integrate biometrics into their software as programming languages, stand-alone applications and web applications as needed- all through a single, intuitive interface.