添加JDBC
1.SQL Server
SQL Server2005 下载 sqljdbc_4.0
https://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=11774
jdbc.properties
jdbc.driverClassName=com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc.url=jdbc:sqlserver://localhost:1433; DatabaseName=SpringStudy
jdbc.username=sa
jdbc.password=Qwert123456
Mysql
下载JDBC
http://dev.mysql.com/downloads/connector/j/3.1.html
jdbc.properties
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/web_demo?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=123456