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.
Set Content-Disposition header
Set Content-Disposition header
https://blog.robotshell.org/2012/deal-with-http-header-encoding-for-file-download/
http://tools.ietf.org/html/rfc5987
http://tools.ietf.org/html/rfc6266