springboot整合Mybatis

package priv.jarome.springboot.testssm.app; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.tomcat.jdbc.pool.DataSource; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.annotation.MapperScan; import org.mybatis.spring.boot.autoconfigure.MybatisProperties; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration; import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.PropertySource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; @SpringBootApplication @EnableAutoConfiguration(exclude = {DataSourceAutoConfiguration.class}) @ComponentScan(basePackages = {"priv.jarome.springboot.testssm.controller", "priv.jarome.springboot.testssm.service"}) @MapperScan("priv.jarome.springboot.testssm.dao") public class Application { private final static String DATASOURCE_PREIFX = "spring.datasource"; public static void main(String[] args) { SpringApplication.run(Application.class, args); } @Bean @ConfigurationProperties(prefix = DATASOURCE_PREIFX) public DataSource dataSource() { return new org.apache.tomcat.jdbc.pool.DataSource(); } @Bean public SqlSessionFactory sqlSessionFactoryBean() throws Exception { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setDataSource(dataSource()); PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mapper/*.xml")); return sqlSessionFactoryBean.getObject(); } @Bean public PlatformTransactionManager transactionManager() { return new DataSourceTransactionManager(dataSource()); } }