package com.labelwall.flash.config;
import com.alibaba.druid.pool.DruidDataSource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ClassPathResource;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.init.DataSourceInitializer;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.orm.jpa.DefaultJpaDialect;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import java.util.Properties;
/**
* @EnableJpaRepositories 开启Jpa的支持
* @Author sunlin
* @Date 2019/4/18 17:17
* @Describe
*/
@Slf4j
@Configuration
@EnableJpaRepositories(
basePackages = "com.labelwall.flash.mysql.dao", entityManagerFactoryRef = "mysqlFactoryBean", transactionManagerRef = "mysqlTransaciton"
)
public class MysqlDatasourceConfig {
@Qualifier("mysqlDataSource")
@Autowired
private DataSource dataSource;
/**
* 初始化数据源 !
*/
@Bean(name = "mysqlDataSource")
@ConfigurationProperties(prefix = "mysql.datasource")
public DataSource manDataSource() {
return new DruidDataSource();
}
/**
* 创建事物管理器 !
*/
@Bean(name = "mysqlTransaciton")
public PlatformTransactionManager manTransactionManager() {
//4
EntityManagerFactory factory = manEntityManagerFactory().getObject();
return new JpaTransactionManager(factory);
}
@Bean(name = "mysqlFactoryBean")
public LocalContainerEntityManagerFactoryBean manEntityManagerFactory() {
//5
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
factory.setDataSource(dataSource);
// 实体类包扫描路径
factory.setPackagesToScan("com.labelwall.flash.mysql.pojo");
// 设置适配器
factory.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
Properties jpaProperties = new Properties();
jpaProperties.put("hibernate.hbm2ddl.auto", "none");
jpaProperties.put("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
jpaProperties.put("hibernate.show-sql", true);
factory.setJpaProperties(jpaProperties);
return factory;
}
}
package com.labelwall.flash.config;
import com.al
阅读背景：
SpringBoot多数据源之JPA的配置
来源：互联网
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