Returns remote ip address.
Returns remote ip address.
Return the true servlet path.
Return the true servlet path. When servletPath provided by container is empty,It will return requestURI-contextpath'
查找当前调用的action对应的.do
例如http://localhost/myapp/dd.do 返回/dd.do
http://localhost/myapp/dir/to/dd.do 返回/dir/to/dd.do
Return Useragent of request.
Return Useragent of request.