Add the following variables to form2: publisticcreatonlyform2getinstance = newform2 ();
When called in Form 1
form 2 . getinstance . show()；
It can guarantee the security of a single instance and thread.
How to realize jsp page jump?
1. Jsp page jump: submit the form.
The code is as follows:
! -First hop mode: submit the form->
formname = " form " method = " post " action = " page 2 . JSP " & gt；
input type = " submit " value = " jump to 1 " >
/form & gt；
The second way of 2.Jsp page jump: Javascript implementation
The code is as follows:
script type = " text/JavaScript " & gt；
functionnext(){
window . location = " page 2 . JSP "； }
/script & gt；
The Third Way of 3.Jsp Page Jumping: Redirect Point
The code is as follows:
! -redirect->;
%// 1.
response . send redirect(" page 2 . JSP ")；
% & gt
Form The form selects multiple files to upload, why not jump to page submission?
To achieve the above functions, you can use the form master, and you don't have to write code. You can just drag the fields ready-made by the form master, and a form will be built.
How does vb open the login box frmLogin first and then jump to the main form?
This frmlogin is the name of the new form. Set the startup object in the menu-Project-Project 1 property to frmlogin, which is the first startup form of the project. You can make some strategies in frmlogin, and start the next form after the user name and password are correct.
Set the startup object to frmlogin in the menu > Project > Project 1 property. It seems that this thing is only available in enterprise VB. In the new form, there are many choices. Create a new form2, change its name, add some controls, and it will come out.
How does elementui realize data interaction between front-end and back-end?
The foreground and background of the project are separated, and formal requirements are not adopted. The requests for page refresh and page jump are all completed by ajax.
Write a js file with myeclipse. How can I jump to another webpage after logging in successfully?
The simplest thing is to restore login.jsp and welcome.jsp in the statistical catalogue.
Login creates a user name and password (necessary for login verification) and puts them in the form. The action in the table will write welcome.jsp. You can add a submit button to the form. After clicking, the action will be executed and you will jump to the welcome page.
You can also jump directly with ahref= "connect ">, just like a hyperlink.