1. Download the lombok.jar package
2. Install the lombok plugin and perform the following operations to install it:
cmd-> enter the directory where lombok.jar is located -> execute the command java -jar lombok.jar -> select the eclipse installation directory -> click the install/update button to install
3. Restart eclipse and introduce the lombok.jar package into the project
4. After the installation is complete, use the annotations @Setter, @Getter, etc.