Java gets the project path, URL path

My Web project name is Iamgemodel.

Working space on D-plate

Get URL Related first:

Need is httpservletrequest request;

Get IP:

// Server Address

Get Port:

Request.getserverport ()           // port number

Get Project name (out: Indicates result):

// Out:/imagemodel

Get request full URL path:

Request.getrequesturi (); // Out :/imagemodel/image/list.do

Get Parameters:

Request.getquerystring ()  // parameter

To get the physical path:

Get the project physical root path:

Request.getsession (). Getservletcontext (). Getrealpath ("/"); // out:d:\eclipseworkspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\imagemodel\

Get the CLASSPATH (entity is a Class):

Entity.getclass (). getClassLoader (). GetResource ("/"). GetPath (); // Out :/d:/eclipseworkspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/imagemodel/web-inf /classes/

Get the file also ibid.

Get jar:

this. getclass (). getResourceAsStream (FileName);

Java gets the project path, URL path