gold-java/src/main/java/com/example/demo/config/Mysql2DataSourceConfig.java

package com.example.demo.config;

import com.zaxxer.hikari.HikariDataSource;
import lombok.extern.slf4j.Slf4j;
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 javax.sql.DataSource;

@Slf4j
@Configuration
@MapperScan(
        basePackages = "com.example.demo.mapper.bean", // 扫描coin包
        sqlSessionTemplateRef = "mysql2SqlSessionTemplate"
)
public class Mysql2DataSourceConfig {

    @Bean(name = "mysql2DataSource")
    @ConfigurationProperties(prefix = "spring.datasource.mysql2")
    public DataSource mysql2DataSource() {
        return DataSourceBuilder.create().type(HikariDataSource.class).build();
    }
    @Bean(name = "mysql2SqlSessionFactory")
//    @Primary
    public SqlSessionFactory mysql2SqlSessionFactory(@Qualifier("mysql2DataSource") DataSource dataSource,
                                                     @Qualifier("globalConfiguration2") org.apache.ibatis.session.Configuration globalConfiguration2) throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:jindouMapper/*.xml"));
        sessionFactory.setConfiguration(globalConfiguration2);
        return sessionFactory.getObject();
    }

    @Bean(name = "mysql2SqlSessionTemplate")
//    @Primary
    public SqlSessionTemplate mysql2SqlSessionTemplate(@Qualifier("mysql2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
    @Bean
    @ConfigurationProperties(prefix = "mybatis.configuration.mysql2")
    public org.apache.ibatis.session.Configuration globalConfiguration2() {
        return new org.apache.ibatis.session.Configuration();
    }
}