各数据库url指定

#mssql
driverClassName=com.microsoft.jdbc.sqlserver.SQLServerDriver
url=jdbc:sqlserver://127.0.0.1:1433;DatabaseName=students

#mssql jtds
driverClassName=net.sourceforge.jtds.jdbc.Driver
url=jdbc:jtds:sqlserver://127.0.0.1:1433;DatabaseName=test

#mysql
driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF8

#orcale
driverClassName=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@localhost:1521:test

#access
driverClassName=sun.jdbc.odbc.JdbcOdbcDriver
url=jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=mdb\\students.mdb