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.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 org.springframework.transaction.PlatformTransactionManager; import javax.sql.DataSource; @Slf4j @Configuration public class Mysql1DataSourceConfig { @Bean(name = "mysql1DataSource") @ConfigurationProperties(prefix = "spring.datasource.mysql1") public DataSource mysql1DataSource() { // 1. 先用 builder 创建出来 HikariDataSource ds = DataSourceBuilder .create() .type(HikariDataSource.class) .build(); // 这里已经把 yml 里的 url/username/password 装好了 // 2. 再补连接初始化 SQL(每次拿到连接自动执行) ds.setConnectionInitSql( "SET SESSION profiling=0,long_query_time=10,sql_mode='TRADITIONAL';"); // 3. 如有需要还可继续补 ds.setMaximumPoolSize() 等 return ds; // return DataSourceBuilder.create().type(HikariDataSource.class).build(); } @Bean(name = "mysqlTransactionManager") public PlatformTransactionManager mysqlTransactionManager(@Qualifier("mysql1DataSource") DataSource dataSource) { return new DataSourceTransactionManager(dataSource); } @Bean(name = "mysql1SqlSessionFactory") // @Primary public SqlSessionFactory mysql1SqlSessionFactory(@Qualifier("mysql1DataSource") DataSource dataSource, @Qualifier("globalConfiguration1") org.apache.ibatis.session.Configuration globalConfiguration1) throws Exception { SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean(); sessionFactory.setDataSource(dataSource); sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:{mapper,cashMapper}/*.xml")); sessionFactory.setConfiguration(globalConfiguration1); return sessionFactory.getObject(); } @Bean(name = "mysql1SqlSessionTemplate") // @Primary public SqlSessionTemplate mysql1SqlSessionTemplate(@Qualifier("mysql1SqlSessionFactory") SqlSessionFactory sqlSessionFactory) { return new SqlSessionTemplate(sqlSessionFactory); } @Bean @ConfigurationProperties(prefix = "mybatis.configuration.mysql1") public org.apache.ibatis.session.Configuration globalConfiguration1() { return new org.apache.ibatis.session.Configuration(); } }