时光醉清风,总有人会记得

package com.mymultidata.ahuang.config;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;
/**
 * @Author: hl
 * @Description: TODO
 * @Date: 13:55 2018/4/24
 * @Modified By:
 * @Version 1.0
 */
@Configuration
public class DataSourceConfig {
    @Bean("primaryDataSource")
    @Qualifier("primaryDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.primary")
    public DataSource primaryDataSource(){
        return DataSourceBuilder.create().build();
    }

    @Bean("secondaryDataSource")
    @Qualifier("secondaryDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.secondary")
    public DataSource secondaryDataSource(){
        return DataSourceBuilder.create().build();
    }
}

 package com.mymultidata.ahuang.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.orm.jpa.JpaProperties;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import javax.persistence.EntityManager;
import javax.sql.DataSource;
import java.util.Map;
/**
 * @Author: hl
 * @Description: TODO
 * @Date: 14:23 2018/4/24
 * @Modified By:
 * @Version 1.0
 */
@Configuration
@EnableTransactionManagement
//entityManagerFactoryRef:引用实体管理工厂
// transactionManagerRef:引用事务管理工厂
// basePackages:设置jpa的repository接口类的包路径,可配置多个
@EnableJpaRepositories(
        entityManagerFactoryRef = "entityManagerFactoryPrimary",
        transactionManagerRef = "transactionManagerPrimary",
        basePackages = {"com.mymultidata.ahuang.repository.jpa.jpa1"})
public class PrimaryConfig {
    @Autowired
    @Qualifier("primaryDataSource")
    private DataSource primaryDataSource;//注入primary数据源

    @Autowired(required = false)
    private JpaProperties jpaProperties;//注入jpa全局参数

    @Primary
    @Bean(name = "entityManagerPrimary")
    public EntityManager entityManager(EntityManagerFactoryBuilder builder){
        return entityManagerFactoryPrimary(builder).getObject().createEntityManager();
    }

    @Primary
    @Bean(name = "entityManagerFactoryPrimary")
    public LocalContainerEntityManagerFactoryBean entityManagerFactoryPrimary (EntityManagerFactoryBuilder builder) {
        return builder
                .dataSource(primaryDataSource)
                .properties(getVendorProperties(primaryDataSource))
                .packages("com.mymultidata.ahuang.domain.jpa.jpa1") //设置实体类所在位置
                .persistenceUnit("primaryPersistenceUnit")
                .build();
    }

    private Map<String, String> getVendorProperties(DataSource dataSource) {
        return jpaProperties.getHibernateProperties(dataSource);
    }

    @Primary
    @Bean(name = "transactionManagerPrimary")
    public PlatformTransactionManager transactionManagerPrimary(EntityManagerFactoryBuilder builder) {
        return new JpaTransactionManager(entityManagerFactoryPrimary(builder).getObject());
    }
}

package com.mymultidata.ahuang.config;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import javax.sql.DataSource;
/**
 * @Author: hl
 * @Description: TODO
 * @Date: 15:05 2018/4/24
 * @Modified By:
 * @Version 1.0
 */
@Configuration
//basePackages:设置mapperj接口类所在位置
@MapperScan(basePackages = {"com.mymultidata.ahuang.repository.mybatis.mapper1"},sqlSessionTemplateRef ="secondarySqlSessionTemplate" )
public class secondaryConfig {
    @Autowired
    @Qualifier("secondaryDataSource")
    private DataSource dataSource;

    @Bean(name = "secondarySqlSessionFactory")
    public SqlSessionFactory testSqlSessionFactory() throws Exception {
        SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
        bean.setDataSource(dataSource);
        bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mybatis/mapper/mapper1/*/*.xml"));//设置mapper.xml路径,路径中之所以加了'*'号，是为了项目的功能划分,方便分析,如果你的映射文件不做功能划分的话，可以改为"classpath:mybatis/mapper/mapper1/*.xml"
        return bean.getObject();
    }
    @Bean(name = "secondaryTransactionManager")
    public DataSourceTransactionManager testTransactionManager(@Qualifier("secondaryDataSource") DataSource dataSource) {
        return new DataSourceTransactionManager(dataSource);
    }

    @Bean(name = "secondarySqlSessionTemplate")
    public SqlSessionTemplate testSqlSessionTemplate(@Qualifier("secondarySqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
}