各类数据库：数据源配置

Spring 管理读取数据源

--jdbc.properties
1）mysql 
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncodeing=utf-8
jdbc.username=root
jdbc.password=123456

2)sqlserver 
jdbc.driverClassName=net.sourceforge.jtds.jdbc.Driver
jdbc.url=jdbc:jtds:sqlserver://localhost:1433/test
jdbc.username=sa
jdbc.password=sa

3)oracle 
jdbc.driverClassName=oracle.jdbc.driver.OracleDriver
jdbc.url=jdbc:orcale:thin://localhost:1521/nquser
jdbc.username=wapcms
jdbc.password=wapcms

--Spring-applicationContext-data.xml 

            class="org.springframework.jdbc.datasource.DriverManagerDataSource">
                    value="${jdbc.driverClassName}" />
       
       
       
   
            class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
       
           
                classpath:jdbc.properties