012_ Access denied for user ‘root‘@‘localhost‘ (using password: YES)

I encountered a problem while running the project today , Specifically bug The page is as follows ：

The corresponding error messages are as follows ：

The general meaning is ：

• Denied access ？
• User name error ？
• The password is correct ？

Tell me something I'm confused about ：

• I am here Idea Built in MySQL Connected successfully
• Therefore, there is no problem of wrong user name or password

Later, I found many similar wrong netizens on the Internet. The solutions are summarized as follows ：

• Configuration file format problem （8.0 This version uses this ）

com.mysql.cj.jdbc.Driver

• stay URL The following information is spliced in the back

useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true&useUnicode=true&useJDBCCompliantTimezoneShift=true&characterEncoding=utf8

Good, it's all revised , Just didn't solve my problem . As for how I solved it . harm ~ Is in the MySQL In the connection configuration of, remember to give The connection password is enclosed in single quotation marks ''
ahhhh , I really made a big joke , harm ！！！！ Now I remember ！

Hey , You can visit it ！！！

Leave your little heart ~