The whole process of introducing dependencies in the maven project (screenshot)

1. Enter the maven official website ;

2. Search for the dependencies we need in the top middle search box (here, take MySQL as an example)

3. Click to select the version, here is 8.0.17 as an example

 4. After entering, see the maven in the middle

5. Copy this code

6. Dependent files posted to the project

7. Reload downloads this dependency, which can be found under External Libraries, and the introduction is successful.