【新增】mysql判分关键点，【修改】mysql判分全部读文件，后面改到云数据库上

exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/ExamMysqlKeyword.java

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+package pc.exam.pp.module.exam.dal.dataobject;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+@TableName(value = "exam_mysql_keyword", autoResultMap = true)
+@Data
+@Accessors(chain = true)
+@NoArgsConstructor
+@AllArgsConstructor
+public class ExamMysqlKeyword {
+
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.INPUT)
+    private String keywordId;
+    /**
+     * 答案id
+     */
+    private String answerId;
+    /**
+     * 关键字
+     */
+    private String keyword;
+    /**
+     * 权值
+     */
+    private String scoreRate;
+}

exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/question/ExamMysqlKeywordMapper.java

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+package pc.exam.pp.module.exam.dal.mysql.question;
+
+import org.apache.ibatis.annotations.Mapper;
+import pc.exam.pp.module.exam.dal.dataobject.ExamMysqlKeyword;
+
+import java.util.List;
+
+@Mapper
+public interface ExamMysqlKeywordMapper {
+
+    List<ExamMysqlKeyword> selectListByAnswerId(String answerId);
+
+    String selectByAnswerIds(List<String> answerIdList);
+}

exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/exam/ExamMysqlKeywordMapper.xml

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+<?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="pc.exam.pp.module.exam.dal.mysql.question.ExamMysqlKeywordMapper">
+
+    <resultMap type="ExamMysqlKeyword" id="ExamMysqlKeywordResult">
+        <result property="keywordId"    column="keyword_id"    />
+        <result property="answerId"    column="answer_id"    />
+        <result property="keyword"    column="keyword"    />
+        <result property="scoreRate"    column="score_rate"    />
+    </resultMap>
+
+    <sql id="selectExamMysqlKeywordVo">
+        select keyword_id, answer_id, keyword, score_rate from exam_mysql_keyword
+    </sql>
+    <select id="selectListByAnswerId" resultMap="ExamMysqlKeywordResult">
+
+        <include refid="selectExamMysqlKeywordVo"/>
+        where answer_id =#{answerId}
+    </select>
+    <select id="selectByAnswerIds" resultType="java.lang.String" parameterType="java.util.List">
+        SELECT CAST(SUM(CAST(score_rate AS UNSIGNED)) AS CHAR)
+        FROM exam_mysql_keyword
+        WHERE answer_id IN
+        <foreach collection="list" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </select>
+
+
+
+
+
+</mapper>