14.2. 接口注解

		
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
	<environments default="development">
		<environment id="development">
			<transactionManager type="JDBC" />
			<dataSource type="POOLED">
				<property name="driver" value="com.mysql.jdbc.Driver" />
				<property name="url" value="jdbc:mysql://192.168.6.1:3306/mybatis" />
				<property name="username" value="mybatis" />
				<property name="password" value="mybatis" />
			</dataSource>
		</environment>
	</environments>
	<mappers>
		<mapper class="cn.netkiller.mapper.UserMapper" />
	</mappers>
</configuration>
		
		

		
package cn.netkiller.mapper;

import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Param;

import cn.netkiller.model.User;

public interface UserMapper {
	@Select("SELECT * FROM `user` WHERE id = #{id}")
	public User findById(@Param("id") int id); 
}		
		
		

		
package cn.netkiller.test;

import java.io.InputStream;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import cn.netkiller.mapper.UserMapper;
import cn.netkiller.model.User;

public class AnnotationsTest {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String resource = "mybatis.xml";

		InputStream is = XmlTest.class.getClassLoader().getResourceAsStream(resource);
		SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(is);
		SqlSession session = sessionFactory.openSession();
		
		UserMapper mapper = session.getMapper(UserMapper.class);
		User user = mapper.findById(2);
		
		System.out.println(user.toString());
		
	}
}
		
		

原文出处：Netkiller 系列 手札
本文作者：陈景峯
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