怎样配置MySQL的ResultMap
在配置MySQL的ResultMap时,可以依照以下步骤进行操作:
<resultMap id="userMap" type="User">
<id property="id" column="id" />
<result property="username" column="username" />
<result property="email" column="email" />
</resultMap>
<select id="getUserById" resultMap="userMap">
SELECT * FROM users WHERE id = #{id}
</select>
public class User {
private int id;
private String username;
private String email;
// getters and setters
}
通过以上步骤,就能够配置MySQL的ResultMap,实现查询结果与Java对象之间的映照关系,方便在MyBatis中进行数据操作。
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