jdbc.driverClassName=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql://127.0.0.1:3306/leyou

jdbc.username=root

jdbc.password=

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();

    }

}