常見數據庫的驅動以及鏈接

MySQL:

   driver:com.mysql.jdbc.Driver

   url:   jdbc:mysql://ip:port/dbname?user=userName&password=pwd&characterEncoding=utf8&useUnicode=true 

  maven:

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.34</version>
        </dependency>