数据源mybatis tk.mybatis配置

package com.hy.datasource;

import com.alibaba.druid.pool.DruidDataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;

import org.springframework.boot.context.properties.ConfigurationProperties;
import tk.mybatis.mapper.autoconfigure.SpringBootVFS;
import tk.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
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 org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

/

MapperScan是tk.mybatis.spring.annotation.MapperScan
扫包扫到自定义BaseMapper会报错
解决方法，1：不扫包，自己的Mapper上加@Mapper注解（个人推荐）
2：把自定义BaseMapper放到扫包路径外 （一般做法）
3：配置markerInterface，（个人选择）
@author
@date 2019.1.22
*/
@Configuration
@EnableTransactionManagement
@MapperScan(basePackages = DataSouceConfig.PACKAGE, sqlSessionFactoryRef = “sessionFactory”) /, markerInterface=com.hy.base.dao.BaseDao.class/
public class DataSouceConfig {
public static final String PACKAGE = “com.hy.dao”;//这里不可以是”com.hy.dao.“，否则多数据源失效，始终是第1个数据源**
public static final String MAPPER = “classpath:com/hy/mapper/*/.xml”;
public static final String TYPEALIASESPACKAGE = “com.hy.model”;

/**<br />     * 定义数据源<br />     * 注意@Primary注解表示：自动装配时当出现多个Bean候选者时，被注解为@Primary的Bean将作为首选者，否则将抛出异常<br />     *<br />     * @return<br />     * @throws Exception<br />     */<br />    @Bean(name = "dataSource")<br />    @Primary<br />    @ConfigurationProperties(prefix = "jdbc.ds")<br />    //@Override<br />    public DataSource dataSource() throws Exception {<br />        DruidDataSource datasource = new DruidDataSource();<br />        //setMultiStatementAllow 允许多sql<br />        /*WallConfig wallConfig = new WallConfig();<br />        wallConfig.setMultiStatementAllow(true);<br />        WallFilter wallFilter =  new WallFilter();<br />        wallFilter.setConfig(wallConfig);<br />        List<Filter> filters2 = new ArrayList();<br />        filters2.add(wallFilter);<br />        datasource.setProxyFilters(filters2);*/<br />        return datasource;<br />    }
/**<br />     * 定义session工厂<br />     * 注：ualifier的意思是合格者，通过这个标示，表明了哪个实现类才是我们所需要的，<br />     * 我们修改调用代码，添加@Qualifier注解，需要注意的是@Qualifier的参数名称必须为我们之前定义@Service注解的名称之一！<br />     *<br />     * @param dataSource<br />     * @return<br />     * @throws Exception<br />     */<br />    @Bean(name = "sessionFactory")<br />    @Primary<br />    //@Override<br />    public SqlSessionFactory sessionFactory(@Qualifier("dataSource") DataSource dataSource) throws Exception {<br />        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();<br />        sessionFactory.setDataSource(dataSource);
    PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();<br />        sessionFactory.setVfs(SpringBootVFS.class); // 关键，将vfs设置为SpringBootVFS<br />        sessionFactory.setTypeAliasesPackage(TYPEALIASESPACKAGE);<br />        sessionFactory.setMapperLocations(resolver.getResources(DataSouceConfig.MAPPER));<br />        org.apache.ibatis.session.Configuration configuration = new org.apache.ibatis.session.Configuration();<br />        configuration.setMapUnderscoreToCamelCase(true);<br />        sessionFactory.setConfiguration(configuration);<br />        return sessionFactory.getObject();<br />    }
/**<br />     * 定义事务管理器<br />     *<br />     * @param dataSource<br />     * @return<br />     */<br />    @Bean(name = "transactionManager")<br />    //@Override<br />    public DataSourceTransactionManager transactionManager(@Qualifier("dataSource") DataSource dataSource) {<br />        return new DataSourceTransactionManager(dataSource);<br />    }

}