resultType:直接表示返回类型 resultMap:对外部resultMap的引用 二者不能同时使用 创建一个实体类Role和User public class Role { private Integer id; private String roleCode; private String roleName; //省略set.get方法 创建User类(在User中有roleId 1对多关系) public class User { private Integer id; pri
We can get Student along with the Address details using a nested ResultMap as follows: <resultMap type="Address" id="AddressResult"> <id property="addrId" column="addr_id"/> <result property="str