“djh”
5 天以前 7acaebcb01438578ded72491f39105db893982ef
1
2
3
4
5
6
7
8
9
10
11
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.gkhy.exam.system.mapper.ExExerciseAnswerMapper">
    <delete id="clearExerciseRecord">
        delete from ex_exercise_answer where bank_id=#{bankId} and student_id=#{studentId}
    </delete>
 
    <select id="getExerciseAnswer" resultType="com.gkhy.exam.system.domain.ExExerciseAnswer">
        select * from ex_exercise_answer where bank_id=#{bankId} and question_id=#{questionId} and student_id=#{studentId} limit 1
    </select>
</mapper>