lz_csan/src/main/java/com/example/config/DataSource2Config.java

package com.example.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.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.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;

import javax.sql.DataSource;


@Configuration
@MapperScan(basePackages = "com.example.db2.dao", sqlSessionTemplateRef = "db2SqlSessionTemplate")
public class DataSource2Config {

        @Bean(name = "db2DataSource")
        @ConfigurationProperties(prefix = "spring.datasource.hikari.db2")
        public DataSource testDataSource() {
            return DataSourceBuilder.create().build();
        }

        @Bean(name = "db2SqlSessionFactory")
        public SqlSessionFactory testSqlSessionFactory(@Qualifier("db2DataSource") DataSource dataSource) throws Exception {
            SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
            bean.setDataSource(dataSource);
            bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mapper/db2/*.xml"));
            return bean.getObject();
        }

        @Bean(name = "db2TransactionManager")
        public DataSourceTransactionManager testTransactionManager(@Qualifier("db2DataSource") DataSource dataSource) {
            return new DataSourceTransactionManager(dataSource);
        }

        @Bean(name = "db2SqlSessionTemplate")
        public SqlSessionTemplate testSqlSessionTemplate(@Qualifier("db2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
            return new SqlSessionTemplate(sqlSessionFactory);
        }
}