專案地址
String filePath = request.getSession().getServletContext().getRealPath("/") + "upload/"

F:\Project\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\monkey\upload/

伺服器地址 
String projectServerPath = request.getScheme() + "://"+request.getServerName()+":" +
                            request.getServerPort() 
 
+ request.getContextPath() + "/upload/";


http://localhost:8080/monkey/upload/