我只想查询userName和userAge,结果user类的所有属性都跑出来了....
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- Amo_lt 2017-10-11 09:06关注
<!-- Book全部字段 --> <resultMap id="BaseResultMap" type="com.lgsc.cjbd.book.model.Book"> <id column="book_id" property="bookId" jdbcType="BIGINT" /> <result column="book_name" property="bookName" jdbcType="VARCHAR" /> <result column="press" property="press" jdbcType="VARCHAR" /> <result column="author" property="author" jdbcType="VARCHAR" /> <result column="translator" property="translator" jdbcType="VARCHAR" /> <result column="isbn" property="isbn" jdbcType="CHAR" /> </resultMap> <!-- 定义resultMap,type为HashMap --> <resultMap id="PartBookMap" type="java.util.HashMap"> <id column="book_id" property="bookId" jdbcType="BIGINT" /> <result column="book_name" property="bookName" jdbcType="VARCHAR" /> <result column="author" property="author" jdbcType="VARCHAR" /> </resultMap> <!-- 查询语句 --> <select id="selectPartBook" resultMap="PartBookMap"> select book_id, book_name, author from book </select>
如上,将你的字段写到一个map里,然后返回那个map。参考链接:http://blog.csdn.net/u014710520/article/details/73569257
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