这是一个生成验证码工具类（支持中文），而且有一个验证中文相等的方法，为了让你更明白的了解这个工具类的用法，用它的Action也在里面。-This is a verification code generation tool class (support Chinese), and there is a verification Chinese equivalent method, in order to let you understand more about this tool of such usage, with its Action also in it。