简单的servlet和JSP的登记，包括三页和一个servlet，虽然美国..

代码说明：

简单的servlet/jsp注册，包括三个页面和一个servlet,虽然小一点，但是框架比较全，表单验证的js没写了，希望用的时候自己加上-Simple servlet/jsp Register, including the three pages and a servlet, although smaller, but the whole framework of comparison, the form validation js did not write, and hope to use the time to add their own