如何在spring中读取properties配置文件里面的信息
转载??? ??? <property name="driverClass">
??? ??? ??? <value>${jdbc.driverClassName}</value>
??? ??? </property>
??? ??? <property name="jdbcUrl">
??? ??? ??? <value>${jdbc.url}</value>
??? ??? </property>
??? ??? <property name="user">
??? ??? ??? <value>${jdbc.username}</value>
??? ??? </property>
??? ??? <property name="password">
??? ??? ??? <value>${jdbc.password}</value>
??? ??? </property>
??? </bean>

jdbc.properties文件写的信息。

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test
jdbc.username=root
jdbc.password=root