backend/eladmin-system/src/main/java/me/zhengjie/config/mybatis/DataSourceConfigPrimary.java.txt

package me.zhengjie.config.mybatis;

import javax.sql.DataSource;

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.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;

@Configuration
@MapperScan(basePackages = "me.zhengjie.mapper.db1.**", sqlSessionFactoryRef = "primarySqlSessionFactory")
public class DataSourceConfigPrimary {
    /**
     * 配置主数据源
     * 
     * @return
     */
    @Bean(name = "primaryDataSource")
    @Primary
    @ConfigurationProperties("spring.datasource.druid")
    public DataSource dataSource() {
        return DruidDataSourceBuilder.create().build();
    }

    @Bean(name = "primarySqlSessionFactory")
    @Primary
    public SqlSessionFactory sqlSessionFactory(@Qualifier("primaryDataSource") DataSource dataSource)
            throws Exception {
        SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
        bean.setDataSource(dataSource);
        bean.setMapperLocations(
                new PathMatchingResourcePatternResolver().getResources("classpath*:me.zhengjie.mapper.db1/*.xml"));
        return bean.getObject();
    }

    @Bean("primarySqlSessionTemplate")
    @Primary
    public SqlSessionTemplate sqlSessionTemplate(
            @Qualifier("primarySqlSessionFactory") SqlSessionFactory sessionFactory) {
        return new SqlSessionTemplate(sessionFactory);
    }
}