Java web to realize automatic login function

This example shares the specific code of Java Web to realize the automatic login function for your reference. The specific contents are as follows

The main idea is: when a user visits the home page of the website, the browser will first check whether the user's user name is logged in again in the cookie in the browser. If so, it will directly jump to the user's login interface. If not, it will redirect to the login interface and create the user's login cookie on the server. When responding, Return the created cookie to the browser for saving.

1、 Check whether the cookie exists when the user visits the home page.

2、 Confirm that the user login cookie does not exist, and create the user login cookie during manual login.

3、 View layer when login is successful

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.