DBConfig.java

package com.cesgroup.mybatis2.Config;

import com.alibaba.druid.pool.DruidDataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;

/**
 * <p>描述：</p>
 *
 * @Author lf
 * @Date 2020-1-2 11:36
 * @Version 1.0
 */
@Configuration
public class DBConfig {
    @Bean
    public DruidDataSource dataSource() {
        DruidDataSource ds = new DruidDataSource();
        ds.setDriverClassName("com.mysql.cj.jdbc.Driver");
        ds.setUrl("jdbc:mysql://localhost:3306/import_blog?characterEncoding=utf8&useSSL=true&serverTimezone=Asia/Shanghai");
        ds.setUsername("root");
        ds.setPassword("root");
        ds.setInitialSize(5);
        return ds;
    }

    //
    @Bean
    public DataSourceTransactionManager dataSourceTransactionManager() {
        return new DataSourceTransactionManager(dataSource());
    }

//  @Bean
//  public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
//    return new SqlSessionTemplate(sqlSessionFactory);
//  }

    @Bean
    public SqlSessionFactory sqlSessionFactory() throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource());
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath:mapper/BlogMapper.xml"));
        sessionFactory.setTypeAliasesPackage("com/Domain"); // 扫包
        // 配置路径
        sessionFactory.setConfigLocation(new ClassPathResource("sqlMapConfig.xml"));

        return sessionFactory.getObject();
    }


    // 包扫描
    @Bean
    public MapperScannerConfigurer mapperScannerConfigurer() {
        MapperScannerConfigurer mScannerConfigurer = new MapperScannerConfigurer();

        mScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");
        mScannerConfigurer.setBasePackage("com/Mapper"); // 扫mapper
        // 只扫描test.class 类型注解的mapper
//    mScannerConfigurer.setAnnotationClass(test.class);
        return mScannerConfigurer;
    }
}