mysql.8 true com.mysql.cj.jdbc.Driver jdbc:mysql://localhost:3306/yggl $ProjectFileDir$ mysql.8 true com.mysql.cj.jdbc.Driver jdbc:mysql://localhost:3306/yggl $ProjectFileDir$ mysql.8 true com.mysql.cj.jdbc.Driver jdbc:mysql://localhost:3306 $ProjectFileDir$ mysql.8 true com.mysql.cj.jdbc.Driver jdbc:mysql://localhost:3306/library $ProjectFileDir$