Atitit spring5 集成 mybatis 注解班
目录
1.1. 0. 创建配置文件——application.properties 1
1.3. MyBatisConfiguartion 类 配置扫描mappers 2
码文件内容
Spring MVC之最简Mybatis配置(全注解) - 幻世 - CSDN博客.html
写入一下内容：
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/test?useSSL=false&useUnicode=true&characterEncoding=UTF-8
spring.datasource.username=root
spring.datasource.password=123456
---------------------
package springMybatis;
import java.util.List;
import java.util.Map;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
@Mapper
//iocSpring5demo.MybatisMapperCls
public interface MybatisMapperCls {
//@Autowired
//public SqlSessionTemplate sqlSessionTemplate1;
/*
* 这是基于注解的映射方式，实现对数据的增删改查，将sql语句直接写在注解的括号中
* 这是一个接口，其不需要类去实现它
* 下边分别是插入，删除，修改，查询一个记录，查询所有的记录
* */
@Select("${sql_intag}")
public List<Map> query(@Param("sql_intag") String sql);
}
package springMybatis;
import javax.sql.DataSource;
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.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
/**
* @author tony ittimeline@163.com
* @date 2018-02-24-上午11:13
* @website wwww.ittimeline.net
* @see
* @since JDK8u162
*/
@Configuration
//@//Import(DruidDataSourceConfiguraiton.class)
@MapperScan(basePackages ="springMybatis")
public class MyBatisConfiguartion {
@Bean
public DataSource dataSource() {
AtiDateSource instance = new AtiDateSource();
return instance;
// configure and return the necessary JDBC DataSource
}
// @Bean
// public DataSource dataSource() {
// BasicDataSource dataSource = new BasicDataSource();
//
// dataSource.setDriverClassName("com.mysql.jdbc.Driver");
// dataSource.setUrl("jdbc:mysql://localhost:3306/mb?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8");
// dataSource.setUsername(""); // 这里填写数据库用户名
// dataSource.setPassword(""); // 这里填写数据库密码
//
// return dataSource;
// }
//
@Bean
public DataSourceTransactionManager transactionManager() {
return new DataSourceTransactionManager(dataSource());
}
@Bean
public SqlSessionFactoryBean sqlSessionFactoryBean() throws Exception {
SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
sessionFactory.setDataSource(dataSource());
// sessionFactory.setTypeAliasesPackage("me.firstsnow.model");
return sessionFactory;
}
/*
@Bean(name = "sqlSessionFactory")
public SqlSessionFactory sqlSessionFactoryBean(DataSource dataSource){
*/
/**
*
* @param sqlSessionFactory
* @return
*/
@Bean
public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory){
return new SqlSessionTemplate(sqlSessionFactory);
}
}
package springMybatis;
import java.util.List;
import java.util.Map;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import com.alibaba.fastjson.JSON;
@MapperScan(basePackages= {"iocSpring5demo"})
public class SpringMybayisStartDemoAnno {
public static void main(String[] args) {
// 创建spring 基于注解配置的容器
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(AppConfig.class);
// 获取通过注解注入容器的UserService
MybatisMapperCls MybatisMapperCls1 = context.getBean(MybatisMapperCls.class);
// 调用userService的方法执行
List<Map> message = MybatisMapperCls1.query("select * from user_tab");
// userService.addUser("user2");
// 输出结果
System.out.println( JSON.toJSONString(message));
// 关闭容器,释放JVM资源
context.close();
}
}
package springMybatis;
import javax.sql.DataSource;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.core.io.ClassPathResource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;
import org.springframework.transaction.support.TransactionTemplate;
@EnableTransactionManagement
@EnableAspectJAutoProxy
@Configuration /** 该注解表示这个类是一个Spring的配置类 **/
@ComponentScan(basePackages = {
"springMybatis" }) /***
* 该注解表示启用spring的组件扫描功能，并且配置了扫描包net.xqlee.project.
* demo下的所有类
**/
//@//MapperScan(basePackages= {"springMybatis"})
public class AppConfig implements TransactionManagementConfigurer {
@Bean
public DataSource dataSource() {
AtiDateSource instance = new AtiDateSource();
return instance;
// configure and return the necessary JDBC DataSource
}
@Bean
@Override
public PlatformTransactionManager annotationDrivenTransactionManager() {
// return txManager();
return new DataSourceTransactionManager(dataSource());
}
}