SpringBoot 2.0 更优雅的配置注入
application.properties
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://127.0.0.1:3306/leyou jdbc.username=root jdbc.password=
JdbcConfig .java
package cn.itcast.config; import com.alibaba.druid.pool.DruidDataSource; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import javax.sql.DataSource; //配置文件注解 @Configuration public class JdbcConfig { @Bean @ConfigurationProperties(prefix = "jdbc") public DataSource dataSource(){ return new DruidDataSource(); } }