答题开发

src/main/java/com/wrj/driver/server/controller/WrjQuestionPracticeTotalController.java

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+package com.wrj.driver.server.controller;
+
+
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * <p>
+ * 用户答题统计表 前端控制器
+ * </p>
+ *
+ * @author Automated procedures
+ * @since 2025-06-30
+ */
+@RestController
+@RequestMapping("/wrjQuestionPracticeTotal")
+public class WrjQuestionPracticeTotalController {
+
+}

src/main/java/com/wrj/driver/server/entity/WrjQuestionPracticeTotal.java

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+package com.wrj.driver.server.entity;
+
+import java.io.Serializable;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ * 用户答题统计表
+ * </p>
+ *
+ * @author Automated procedures
+ * @since 2025-06-30
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+public class WrjQuestionPracticeTotal implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 题目标识
+     */
+    private Long questionId;
+
+    /**
+     * 用户标识
+     */
+    private Long userId;
+
+    /**
+     * 答题次数
+     */
+    private Long answerNumber;
+
+    /**
+     * 答题正确次数
+     */
+    private Long rightNumber;
+
+
+}

src/main/java/com/wrj/driver/server/mapper/WrjQuestionPracticeTotalMapper.java

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+package com.wrj.driver.server.mapper;
+
+import com.wrj.driver.server.entity.WrjQuestionPracticeTotal;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Param;
+
+/**
+ * <p>
+ * 用户答题统计表 Mapper 接口
+ * </p>
+ *
+ * @author Automated procedures
+ * @since 2025-06-30
+ */
+public interface WrjQuestionPracticeTotalMapper extends BaseMapper<WrjQuestionPracticeTotal> {
+
+    WrjQuestionPracticeTotal selectByUserIdAndQuestionId(@Param("userId") Long userId, @Param("questionId") Long questionId);
+
+    int updateAnswerNumber(@Param("userId") Long userId, @Param("questionId") Long questionId, @Param("answerNum") int answerNum, @Param("rightNum") int rightNum);
+}

src/main/java/com/wrj/driver/server/service/IWrjQuestionPracticeTotalService.java

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+package com.wrj.driver.server.service;
+
+import com.wrj.driver.server.entity.WrjQuestionPracticeTotal;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+ * <p>
+ * 用户答题统计表 服务类
+ * </p>
+ *
+ * @author Automated procedures
+ * @since 2025-06-30
+ */
+public interface IWrjQuestionPracticeTotalService extends IService<WrjQuestionPracticeTotal> {
+
+}

src/main/java/com/wrj/driver/server/service/impl/WrjQuestionPracticeTotalServiceImpl.java

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+package com.wrj.driver.server.service.impl;
+
+import com.wrj.driver.server.entity.WrjQuestionPracticeTotal;
+import com.wrj.driver.server.mapper.WrjQuestionPracticeTotalMapper;
+import com.wrj.driver.server.service.IWrjQuestionPracticeTotalService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ * 用户答题统计表 服务实现类
+ * </p>
+ *
+ * @author Automated procedures
+ * @since 2025-06-30
+ */
+@Service
+public class WrjQuestionPracticeTotalServiceImpl extends ServiceImpl<WrjQuestionPracticeTotalMapper, WrjQuestionPracticeTotal> implements IWrjQuestionPracticeTotalService {
+
+}

src/main/resources/mapper/WrjQuestionPracticeTotalMapper.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="com.wrj.driver.server.mapper.WrjQuestionPracticeTotalMapper">
+
+    <select id="selectByUserIdAndQuestionId"
+            resultType="com.wrj.driver.server.entity.WrjQuestionPracticeTotal">
+        select
+        *
+        from wrj_question_practice_total
+        where question_id = #{questionId} and user_id = #{userId}
+    </select>
+
+    <update id="updateAnswerNumber">
+        update wrj_question_practice_total
+        set answer_number = answer_number + #{answerNum},
+        right_number = right_number + #{rightNum}
+        where question_id = #{questionId} and user_id = #{userId}
+    </update>
+</mapper>