Mybatis相關筆記（待補充）

封裝結果集

	<resultMap id="BaseResultMap" type="com.fs.model.system.ExamQuestion">
		<id column="title_id" jdbcType="INTEGER" property="titleId" />
		<result column="title_name" jdbcType="VARCHAR" property="titleName" />
		<result column="title_score" jdbcType="INTEGER" property="titleScore" />
		<result column="title_type" jdbcType="INTEGER" property="titleType" />
		<result column="exam_name" jdbcType="VARCHAR" property="examName" />
		<!-- 對象 -->
		<association property="answer" javaType="com.fs.model.system.ExamAnswer">
			<result column="answer_id" jdbcType="INTEGER" property="answerId"/>
			<result column="answer_right" jdbcType="VARCHAR" property="answerRight"/>
			<result column="title_id" jdbcType="INTEGER" property="titleId"/>
		</association>
		<!-- 集合 -->
		<collection property="options" ofType="com.fs.model.system.ExamOptions">
			<result column="option_id" jdbcType="INTEGER" property="optionId"/>
			<result column="option_desc" jdbcType="VARCHAR" property="optionDesc"/>
			<result column="option_flag" jdbcType="VARCHAR" property="optionFlag"/>
			<result column="title_id" jdbcType="INTEGER" property="titleId"/>
		</collection>
	</resultMap>

返回自增主鍵

	<insert id="addQuestion" parameterType="com.fs.model.system.ExamQuestion">
		<selectKey keyProperty="titleId" resultType="int" order="AFTER">
			SELECT LAST_INSERT_ID()
		</selectKey>
		INSERT INTO exam_question VALUES (#{titleId}, #{titleName}, #{titleScore}, #{titleType},"隨機考試")
	</insert>

動態sql語句(列表篩選條件)

  <select id="queryRecordByPage" resultMap="BaseResultMap">
    select 
    <include refid="Base_Column_List" />
    from exam_record
    <where>
    	<if test="userName != null and userName != ''">
    		and user_name = #{userName}
    	</if>
    	<if test="startDate != null and startDate != ''">
    		and start_time &gt;= CONCAT(#{startDate},' 00:00:00')
    	</if>
    	<if test="endDate != null and endDate != ''">
    		and start_time &lt;= CONCAT(#{endDate},' 23:59:59')
    	</if>
    	<if test="examState != null and examState != ''">
    		and exam_state = #{examState}
    	</if>
    </where>
  </select>