mybatis常用注解，mybatis 多表查詢-一對多(方法一 常用)

常用方法

public class User implements Serializable {private Integer id;private String username;private String address;private String sex;private Date birthday;
}

public class Account implements Serializable {private Integer id;private Integer uid;private Double money;
}

public class AccountUser extends Account {private String username;private String address;
}

<mapper namespace="com.dao.IAccountDao"> 
<!-- 配置查詢所有操作--> 
<select id="findAll" resultType="accountuser"> select a.*,u.username,u.address from account a,user u where a.uid =u.id; 
</select> 
</mapper>