Squid_Ivanlee的博客

原创 Httpservletrequest与Servletrequest强制转换

Servletrequest强制转换HttpservletrequestHttpServletRequest和ServletRequest都是接口HttpServletRequest继承自ServletRequestHttpServletRequest比ServletRequest多了一些针对于Http协议的方法。如getHeader (String name)， getMethod () ，getSession () 等等。他们对应的实现类：javax.servlet.ServletReques