date
August 13, 2005
Author
gauss
Types of
JSP
content
Forward with Redirect
Forward
With redirect
In the front desk development process, you may often encounter the operation of forwarding pages, it is obvious that Forward and Redirect, but which one is used, what is the difference between them, now I will understand my own understanding and How to apply when developing is written for everyone to refer to:
(1) Common:
They have implemented pages implemented according to their own conditions.
(2) difference
category
concept
Share data
application
REDIRECT
URL re-direction: can be any URL
Can't share data in Request
Generally used to return to the main page and jump to other websites when the user logs in
Forward
Page Forwarding: Only other web components of the same web application
Forwarding the page and forwarding the page to the data in common request
Generally used for user login, forward to the corresponding module according to the role, etc.
(3) Example:
For example, the client accesses index.jsp with xxx / index.jsp? Name = GAUSS & PWD = 123, and the
(4) Pay attention
Generally, there is a page DEFAULT.JSP submitted data before the index.jsp page, then the data submitted by the defaultl.jsp page can be obtained in the login.jsp page, not the data submitted by the index.jsp page, the index.jsp page is just The execution is a forwarding operation. Of course, it can be added to the business operation. He can get the request data, use XXX / INDEX.JSP? Name = GAUSS & PWD = 123, login is omitted to omit the previous page in front of Index.jsp. Submitted data
