jdbcmysqllocalhoust3306gmalluseUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT2B8

The given URL is a JDBC connection URL for connecting to a MySQL database.

• jdbc:mysql:// specifies the JDBC driver and the database type (MySQL).
• localhost:3306/gmall specifies the host (localhost) and port (3306) of the MySQL server, as well as the name of the database (gmall).
• useUnicode=true enables the use of Unicode characters.
• characterEncoding=utf-8 sets the character encoding to UTF-8.
• useSSL=false disables the use of SSL for the connection.
• serverTimezone=GMT%2B8 sets the server timezone to GMT+8