2022-2-14 learning xiangniuke project - section 23, section 5, development login and exit functions

login_ticket Structure , among ticket It's important
status 0 Indicates valid ,1 Indicates expiration

newly build LoginTicket The entity class

Dao Layer of mapper

Inject a string , Return to one LoginTicket Entity class

LoginTicket selectByTicket(String ticket);

Insert a... Into the database loginTicket Entity class ,

int insertLoginTicket(LoginTicket loginTicket);

When the user exits or expires , take ticket The status of is changed to inactive

int updateStatus(String ticket, int status);

Write with notes sql sentence

Generate primary key automatically

mappertest test

Successfully inserted

test select and update

success

service Layer writes the logic of user login

Handle null values

Verify whether the account does not exist , Or the account is not activated

Verify password , Be careful md5 As long as the input values are the same , It turns out the same thing
What is stored in the database is md5 Calculated password

Instantiation loginticket, And put in mapper

Util Of constant Two interfaces are set expired time, One general one , A tick to remember my

Inject context-path


Check whether the verification code matches session The same in
If the verification code is empty , Or pass in the comparison code It's empty , Or the verification code is not equal to code, The output “ The verification code is wrong ”, And jump to the login page

Define the expiration time , To check remmeber me Subject to

Check the account number , password , call service Login of layer

modify login.html,requestmapping Will go to controller lookup , Would call /login Of post Method

to username,password Wait for name, Want to be with controller The parameter names of the methods in are consistent

Verification Code

Remember me

After processing login failure ,param yes Thymeleaf Treatment mode , You can get the parameters of the original method

Dealing with passwords

Handle and remember me

The page after processing login failure displays
Wrong account number , Depending on usernameMsg Is it empty

Empathy , Dealing with passwords

Process verification code

controller Of codeMsg And the following UsernameMsg and PasswordMsg

Test login page

After outputting the correct verification code


Enter the correct verification code and account number , Successful jump

loginticket in

The business layer , Pass on ticket, Set the account status to 1（ Quit immediately ）

Set exit path

Test exit login

You can see status Turn into 1, success