CommunityDataSourceConfig.java

package com.tanpu.community.dao;

import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.tanpu.community.api.CommunityConstant;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.session.SqlSessionFactory;
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.boot.jdbc.DataSourceBuilder;
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 org.springframework.jdbc.datasource.DataSourceTransactionManager;

import javax.sql.DataSource;

/**
 * created by xd on 2021/6/3
 */
@Configuration
@Slf4j
@MapperScan(basePackages = CommunityConstant.PACKAGE_BASE + ".dao.mapper.community", sqlSessionTemplateRef = "communitySqlSessionTemplate")
public class CommunityDataSourceConfig {
    @ConfigurationProperties(prefix = "spring.datasource.community")
    @Bean(name = "communityDataSource")
    @Primary
    public DataSource dataSource() {
        return DataSourceBuilder.create().build();
    }

    @Primary
    @Bean(name = "communitySqlSessionFactory")
    public SqlSessionFactory sqlSessionFactory(@Qualifier("communityDataSource") DataSource dataSource) throws Exception {
        MybatisSqlSessionFactoryBean bean = new MybatisSqlSessionFactoryBean();

        bean.setDataSource(dataSource);
        bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(
                "classpath*:mapper/community/*.xml"));

        return bean.getObject();
    }

    @Bean(name = "communityTransactionManager")
    @Primary
    public DataSourceTransactionManager communityTransactionManager(@Qualifier("communityDataSource") DataSource dataSource) {
        return new DataSourceTransactionManager(dataSource);
    }

    @Bean(name = "communitySqlSessionTemplate")
    @Primary
    public SqlSessionTemplate communitySqlSessionTemplate(@Qualifier("communitySqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
}