二维码生成和识别，支持多种二维码格式，内附二维码生成工具。包含所有源代码。,Two-dimensional code generation and recognition, support a variety of two-dimensional code format, containing two-dimensional code generation tool. Contains all the source code.

验证识别码,是一个小小的工具，包内是源码文件。-ID verification is a small tool bag is the source file.