feat: 完成后端基础功能开发，包括用户注册、问卷调查等功能

.cursorrules

@@ -60,3 +60,16 @@
 - 使用Git进行版本控制
 - 遵循语义化版本规范
 - 重要配置文件加入版本控制
+
+## 11. 文件操作
+- 当需要复制文件时，使用 `command cp` 命令
+- 如果发现目录不存在，首先确认自己当前目录是否正确
+- 如果需要创建目录，使用 `command mkdir -p` 命令
+- 不要尝试重新安装开发依赖工具，比如jdk, node，python等
+
+## 前端开发
+- 前端使用vue3开发
+- 代码必须严格遵守 eslint 规则
+- 前端项目使用yarn打包，用最新的4.x版
+- 前端项目根目录下需要有`.yarn.yml`配置文件
+- 前端启动开发服务器，需要把切换到前端目录以及启动开发服务器两个命令合并执行

backend/pom.xml

@@ -83,6 +83,11 @@
             <artifactId>jackson-databind</artifactId>
             <version>${jackson.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
 
         <!-- PageHelper -->
         <dependency>

backend/src/main/java/com/fasterxml/jackson/databind/JsonTypeHandler.java

@@ -1,51 +0,0 @@
-package com.fasterxml.jackson.databind;
-
-import java.sql.CallableStatement;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import org.apache.ibatis.type.BaseTypeHandler;
-import org.apache.ibatis.type.JdbcType;
-
-/**
- * 自定义的 JSON 类型处理器
- */
-public class JsonTypeHandler extends BaseTypeHandler<Object> {
-    private static final ObjectMapper MAPPER = new ObjectMapper();
-
-    @Override
-    public void setNonNullParameter(PreparedStatement ps, int i, Object parameter, JdbcType jdbcType)
-            throws SQLException {
-        try {
-            ps.setString(i, MAPPER.writeValueAsString(parameter));
-        } catch (Exception e) {
-            throw new SQLException("Error converting JSON to String", e);
-        }
-    }
-
-    @Override
-    public Object getNullableResult(ResultSet rs, String columnName) throws SQLException {
-        return parse(rs.getString(columnName));
-    }
-
-    @Override
-    public Object getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
-        return parse(rs.getString(columnIndex));
-    }
-
-    @Override
-    public Object getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
-        return parse(cs.getString(columnIndex));
-    }
-
-    private Object parse(String json) throws SQLException {
-        try {
-            if (json == null || json.isEmpty()) {
-                return null;
-            }
-            return MAPPER.readValue(json, Object.class);
-        } catch (Exception e) {
-            throw new SQLException("Error converting String to JSON", e);
-        }
-    }
-}

backend/src/main/java/ltd/qubit/survey/common/mybatis/InstantTypeHandler.java

@@ -0,0 +1,39 @@
+package ltd.qubit.survey.common.mybatis;
+
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.time.Instant;
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+
+/**
+ * Instant类型处理器
+ */
+public class InstantTypeHandler extends BaseTypeHandler<Instant> {
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, Instant parameter, JdbcType jdbcType)
+            throws SQLException {
+        ps.setTimestamp(i, Timestamp.from(parameter));
+    }
+
+    @Override
+    public Instant getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        Timestamp timestamp = rs.getTimestamp(columnName);
+        return timestamp != null ? timestamp.toInstant() : null;
+    }
+
+    @Override
+    public Instant getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        Timestamp timestamp = rs.getTimestamp(columnIndex);
+        return timestamp != null ? timestamp.toInstant() : null;
+    }
+
+    @Override
+    public Instant getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        Timestamp timestamp = cs.getTimestamp(columnIndex);
+        return timestamp != null ? timestamp.toInstant() : null;
+    }
+}

backend/src/main/java/ltd/qubit/survey/model/Option.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.model;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import lombok.Data;
 
 /**
@@ -36,5 +36,5 @@ public class Option {
     /**
      * 创建时间
      */
-    private LocalDateTime createdAt;
+    private Instant createdAt;
 }

backend/src/main/java/ltd/qubit/survey/model/Question.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.model;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import lombok.Data;
 
 /**
@@ -46,5 +46,5 @@ public class Question {
     /**
      * 创建时间
      */
-    private LocalDateTime createdAt;
+    private Instant createdAt;
 }

backend/src/main/java/ltd/qubit/survey/model/SurveyResponse.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.model;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import java.util.List;
 import lombok.Data;
 
@@ -37,5 +37,5 @@ public class SurveyResponse {
     /**
      * 创建时间
      */
-    private LocalDateTime createdAt;
+    private Instant createdAt;
 }

backend/src/main/java/ltd/qubit/survey/model/User.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.model;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import lombok.Data;
 
 /**
@@ -36,5 +36,5 @@ public class User {
     /**
      * 创建时间
      */
-    private LocalDateTime createdAt;
+    private Instant createdAt;
 }

backend/src/main/java/ltd/qubit/survey/service/impl/OptionServiceImpl.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.service.impl;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import java.util.List;
 import java.util.Optional;
 import lombok.RequiredArgsConstructor;
@@ -19,7 +19,7 @@ public class OptionServiceImpl implements OptionService {
 
     @Override
     public Option create(Option option) {
-        option.setCreatedAt(LocalDateTime.now());
+        option.setCreatedAt(Instant.now());
         optionDao.insert(option);
         return option;
     }
@@ -58,7 +58,7 @@ public class OptionServiceImpl implements OptionService {
     @Override
     public List<Option> batchCreate(List<Option> options) {
         // 设置创建时间
-        LocalDateTime now = LocalDateTime.now();
+        Instant now = Instant.now();
         options.forEach(option -> option.setCreatedAt(now));
 
         // 批量插入

backend/src/main/java/ltd/qubit/survey/service/impl/QuestionServiceImpl.java

@@ -2,7 +2,7 @@ package ltd.qubit.survey.service.impl;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import java.time.LocalDateTime;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -32,7 +32,7 @@ public class QuestionServiceImpl implements QuestionService {
         if (question.getQuestionNumber() == null) {
             question.setQuestionNumber(questionDao.getNextQuestionNumber());
         }
-        question.setCreatedAt(LocalDateTime.now());
+        question.setCreatedAt(Instant.now());
         questionDao.insert(question);
         return question;
     }

backend/src/main/java/ltd/qubit/survey/service/impl/SurveyResponseServiceImpl.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.service.impl;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import java.util.List;
 import java.util.Optional;
 import lombok.RequiredArgsConstructor;
@@ -22,7 +22,7 @@ public class SurveyResponseServiceImpl implements SurveyResponseService {
 
     @Override
     public SurveyResponse create(SurveyResponse response) {
-        response.setCreatedAt(LocalDateTime.now());
+        response.setCreatedAt(Instant.now());
         surveyResponseDao.insert(response);
         return response;
     }
@@ -66,7 +66,7 @@ public class SurveyResponseServiceImpl implements SurveyResponseService {
     @Override
     public List<SurveyResponse> batchSave(List<SurveyResponse> responses) {
         // 设置创建时间
-        LocalDateTime now = LocalDateTime.now();
+        Instant now = Instant.now();
         responses.forEach(response -> response.setCreatedAt(now));
 
         // 批量插入
@@ -98,7 +98,7 @@ public class SurveyResponseServiceImpl implements SurveyResponseService {
         deleteByUserId(userId);
 
         // 设置用户ID和创建时间
-        LocalDateTime now = LocalDateTime.now();
+        Instant now = Instant.now();
         responses.forEach(response -> {
             response.setUserId(userId);
             response.setCreatedAt(now);

backend/src/main/java/ltd/qubit/survey/service/impl/UserServiceImpl.java

@@ -1,6 +1,6 @@
 package ltd.qubit.survey.service.impl;
 
-import java.time.LocalDateTime;
+import java.time.Instant;
 import java.util.List;
 import java.util.Optional;
 import lombok.RequiredArgsConstructor;
@@ -20,7 +20,7 @@ public class UserServiceImpl implements UserService {
 
     @Override
     public User create(User user) {
-        user.setCreatedAt(LocalDateTime.now());
+        user.setCreatedAt(Instant.now());
         userDao.insert(user);
         return user;
     }

backend/src/main/java/ltd/qubit/survey/utils/CustomObjectMapper.java

@@ -0,0 +1,29 @@
+package ltd.qubit.survey.utils;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import java.time.ZoneOffset;
+
+/**
+ * 自定义的ObjectMapper，支持Java 8日期时间类型
+ */
+public class CustomObjectMapper extends ObjectMapper {
+    public CustomObjectMapper() {
+        super();
+        // 注册Java 8日期时间模块
+        JavaTimeModule javaTimeModule = new JavaTimeModule();
+        registerModule(javaTimeModule);
+
+        // 配置序列化特性
+        setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        // 将日期序列化为时间戳（毫秒）
+        configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, true);
+        configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        // 设置默认时区为UTC
+        setTimeZone(java.util.TimeZone.getTimeZone(ZoneOffset.UTC));
+    }
+}

backend/src/main/resources/mybatis/mapper/SurveyResponseMapper.xml

@@ -6,7 +6,7 @@
         <id property="id" column="id"/>
         <result property="userId" column="user_id"/>
         <result property="questionId" column="question_id"/>
-        <result property="selectedOptions" column="selected_options" typeHandler="com.fasterxml.jackson.databind.JsonTypeHandler"/>
+        <result property="selectedOptions" column="selected_options" typeHandler="ltd.qubit.survey.common.mybatis.JsonTypeHandler"/>
         <result property="textAnswer" column="text_answer"/>
         <result property="createdAt" column="created_at"/>
     </resultMap>
@@ -19,7 +19,7 @@
     <!-- 插入 -->
     <insert id="insert" parameterType="ltd.qubit.survey.model.SurveyResponse" useGeneratedKeys="true" keyProperty="id">
         INSERT INTO survey_responses (user_id, question_id, selected_options, text_answer)
-        VALUES (#{userId}, #{questionId}, #{selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler}, #{textAnswer})
+        VALUES (#{userId}, #{questionId}, #{selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler}, #{textAnswer})
     </insert>
 
     <!-- 批量插入 -->
@@ -28,7 +28,7 @@
         VALUES
         <foreach collection="list" item="item" separator=",">
             (#{item.userId}, #{item.questionId},
-             #{item.selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler},
+             #{item.selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler},
              #{item.textAnswer})
         </foreach>
     </insert>
@@ -38,7 +38,7 @@
         UPDATE survey_responses
         SET user_id = #{userId},
             question_id = #{questionId},
-            selected_options = #{selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler},
+            selected_options = #{selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler},
             text_answer = #{textAnswer}
         WHERE id = #{id}
     </update>

backend/src/main/resources/mybatis/mybatis-config.xml

@@ -29,6 +29,9 @@
         <!-- JSON类型处理器 -->
         <typeHandler handler="ltd.qubit.survey.common.mybatis.JsonTypeHandler"
                      javaType="java.util.List"/>
+        <!-- Instant类型处理器 -->
+        <typeHandler handler="ltd.qubit.survey.common.mybatis.InstantTypeHandler"
+                     javaType="java.time.Instant"/>
     </typeHandlers>
 
     <!-- 映射器配置 -->

backend/src/main/resources/spring/applicationContext.xml

@@ -16,18 +16,8 @@
     <!-- 加载属性文件 -->
     <context:property-placeholder location="classpath:application.properties"/>
 
-    <!-- 配置ObjectMapper -->
+    <!-- 配置自定义ObjectMapper -->
-    <bean id="objectMapper" class="com.fasterxml.jackson.databind.ObjectMapper" primary="true">
+    <bean id="objectMapper" class="ltd.qubit.survey.utils.CustomObjectMapper" primary="true"/>
-        <property name="dateFormat">
-            <bean class="java.text.SimpleDateFormat">
-                <constructor-arg value="yyyy-MM-dd HH:mm:ss"/>
-            </bean>
-        </property>
-        <!-- 配置JSON序列化特性 -->
-        <property name="serializationInclusion">
-            <value type="com.fasterxml.jackson.annotation.JsonInclude.Include">NON_NULL</value>
-        </property>
-    </bean>
 
     <!-- 开启注解扫描，排除Controller -->
     <context:component-scan base-package="ltd.qubit.survey">

backend/target/classes/mybatis/mapper/SurveyResponseMapper.xml

@@ -6,7 +6,7 @@
         <id property="id" column="id"/>
         <result property="userId" column="user_id"/>
         <result property="questionId" column="question_id"/>
-        <result property="selectedOptions" column="selected_options" typeHandler="com.fasterxml.jackson.databind.JsonTypeHandler"/>
+        <result property="selectedOptions" column="selected_options" typeHandler="ltd.qubit.survey.common.mybatis.JsonTypeHandler"/>
         <result property="textAnswer" column="text_answer"/>
         <result property="createdAt" column="created_at"/>
     </resultMap>
@@ -19,7 +19,7 @@
     <!-- 插入 -->
     <insert id="insert" parameterType="ltd.qubit.survey.model.SurveyResponse" useGeneratedKeys="true" keyProperty="id">
         INSERT INTO survey_responses (user_id, question_id, selected_options, text_answer)
-        VALUES (#{userId}, #{questionId}, #{selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler}, #{textAnswer})
+        VALUES (#{userId}, #{questionId}, #{selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler}, #{textAnswer})
     </insert>
 
     <!-- 批量插入 -->
@@ -28,7 +28,7 @@
         VALUES
         <foreach collection="list" item="item" separator=",">
             (#{item.userId}, #{item.questionId},
-             #{item.selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler},
+             #{item.selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler},
              #{item.textAnswer})
         </foreach>
     </insert>
@@ -38,7 +38,7 @@
         UPDATE survey_responses
         SET user_id = #{userId},
             question_id = #{questionId},
-            selected_options = #{selectedOptions,typeHandler=com.fasterxml.jackson.databind.JsonTypeHandler},
+            selected_options = #{selectedOptions,typeHandler=ltd.qubit.survey.common.mybatis.JsonTypeHandler},
             text_answer = #{textAnswer}
         WHERE id = #{id}
     </update>

backend/target/classes/mybatis/mybatis-config.xml

@@ -29,6 +29,9 @@
         <!-- JSON类型处理器 -->
         <typeHandler handler="ltd.qubit.survey.common.mybatis.JsonTypeHandler"
                      javaType="java.util.List"/>
+        <!-- Instant类型处理器 -->
+        <typeHandler handler="ltd.qubit.survey.common.mybatis.InstantTypeHandler"
+                     javaType="java.time.Instant"/>
     </typeHandlers>
 
     <!-- 映射器配置 -->

backend/target/classes/spring/applicationContext.xml

@@ -16,18 +16,8 @@
     <!-- 加载属性文件 -->
     <context:property-placeholder location="classpath:application.properties"/>
 
-    <!-- 配置ObjectMapper -->
+    <!-- 配置自定义ObjectMapper -->
-    <bean id="objectMapper" class="com.fasterxml.jackson.databind.ObjectMapper" primary="true">
+    <bean id="objectMapper" class="ltd.qubit.survey.utils.CustomObjectMapper" primary="true"/>
-        <property name="dateFormat">
-            <bean class="java.text.SimpleDateFormat">
-                <constructor-arg value="yyyy-MM-dd HH:mm:ss"/>
-            </bean>
-        </property>
-        <!-- 配置JSON序列化特性 -->
-        <property name="serializationInclusion">
-            <value type="com.fasterxml.jackson.annotation.JsonInclude.Include">NON_NULL</value>
-        </property>
-    </bean>
 
     <!-- 开启注解扫描，排除Controller -->
     <context:component-scan base-package="ltd.qubit.survey">

backend/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -1,3 +1,4 @@
+ltd/qubit/survey/common/mybatis/InstantTypeHandler.class
 ltd/qubit/survey/controller/GlobalExceptionHandler.class
 ltd/qubit/survey/dao/QuestionDao.class
 ltd/qubit/survey/model/PositionType.class
@@ -10,6 +11,7 @@ ltd/qubit/survey/controller/QuestionController.class
 ltd/qubit/survey/service/impl/UserServiceImpl.class
 ltd/qubit/survey/service/impl/QuestionServiceImpl.class
 ltd/qubit/survey/model/SurveyResponse.class
+ltd/qubit/survey/utils/CustomObjectMapper.class
 ltd/qubit/survey/model/User.class
 ltd/qubit/survey/service/QuestionService.class
 ltd/qubit/survey/common/mybatis/JsonTypeHandler.class
@@ -26,4 +28,3 @@ ltd/qubit/survey/service/SurveyResponseService.class
 ltd/qubit/survey/model/Option.class
 ltd/qubit/survey/model/QuestionType.class
 ltd/qubit/survey/service/BaseService.class
-com/fasterxml/jackson/databind/JsonTypeHandler.class

backend/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -8,8 +8,8 @@
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/model/User.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/service/impl/OptionServiceImpl.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/service/impl/QuestionServiceImpl.java
+/Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/common/mybatis/InstantTypeHandler.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/service/SurveyResponseService.java
-/Volumes/working/qubit/project/llm-survey/backend/src/main/java/com/fasterxml/jackson/databind/JsonTypeHandler.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/model/Option.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/controller/GlobalExceptionHandler.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/model/QuestionType.java
@@ -22,6 +22,7 @@
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/dao/SurveyResponseDao.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/controller/QuestionController.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/model/WorkArea.java
+/Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/utils/CustomObjectMapper.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/model/PositionType.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/dao/BaseDao.java
 /Volumes/working/qubit/project/llm-survey/backend/src/main/java/ltd/qubit/survey/controller/SurveyController.java

frontend/.eslintrc.js

@@ -0,0 +1,18 @@
+/* eslint-env node */
+module.exports = {
+  root: true,
+  extends: [
+    'plugin:vue/vue3-essential',
+    'eslint:recommended',
+    '@vue/eslint-config-prettier',
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest',
+  },
+  rules: {
+    'vue/multi-word-component-names': 'off',
+    'vue/no-v-model-argument': 'off',
+    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
+  },
+};

frontend/.prettierrc

@@ -0,0 +1,7 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "printWidth": 100,
+  "trailingComma": "es5"
+}

frontend/.yarnrc.yml

@@ -0,0 +1,2 @@
+nodeLinker: node-modules
+enableGlobalCache: true

frontend/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, viewport-fit=cover">
+    <title>LLM 问卷调查</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>

frontend/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "llm-survey",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview",
+    "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs --fix --ignore-path .gitignore"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "axios": "^1.6.7",
+    "pinia": "^2.1.7",
+    "vant": "^4.8.3",
+    "vue": "^3.4.15",
+    "vue-router": "^4.2.5"
+  },
+  "devDependencies": {
+    "@rollup/plugin-commonjs": "^28.0.2",
+    "@rollup/plugin-node-resolve": "^16.0.0",
+    "@vitejs/plugin-vue": "^5.0.3",
+    "@vue/eslint-config-prettier": "^9.0.0",
+    "esbuild": "^0.25.0",
+    "eslint": "^8.56.0",
+    "eslint-plugin-vue": "^9.21.1",
+    "less": "^4.2.0",
+    "postcss-px-to-viewport": "^1.1.1",
+    "prettier": "^3.2.5",
+    "rollup": "^4.34.8",
+    "unplugin-vue-components": "^0.26.0",
+    "vite": "^5.0.12"
+  },
+  "packageManager": "yarn@4.6.0"
+}

frontend/src/App.vue

@@ -0,0 +1,27 @@
+<template>
+  <router-view v-slot="{ Component }">
+    <component :is="Component" />
+  </router-view>
+</template>
+
+<script setup>
+// 根组件逻辑
+</script>
+
+<style>
+/* 全局样式 */
+html,
+body {
+  margin: 0;
+  padding: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
+    'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  height: 100%;
+}
+
+#app {
+  height: 100%;
+}
+</style>

frontend/src/api/survey.js

@@ -0,0 +1,47 @@
+import request from '@/utils/request';
+
+// 获取用户的问题列表
+export function getUserQuestions(userId) {
+  return request({
+    url: `/question/user/${userId}`,
+    method: 'get',
+  });
+}
+
+// 获取问题的选项列表
+export function getQuestionOptions(questionId) {
+  return request({
+    url: `/question/${questionId}/option`,
+    method: 'get',
+  });
+}
+
+// 获取下一个问题
+export function getNextQuestion(userId, currentQuestionNumber, selectedOptions) {
+  return request({
+    url: '/question/next',
+    method: 'get',
+    params: {
+      userId,
+      currentQuestionNumber,
+      selectedOptions,
+    },
+  });
+}
+
+// 提交问卷答案
+export function submitSurvey(userId, responses) {
+  return request({
+    url: `/survey/submit/${userId}`,
+    method: 'post',
+    data: responses,
+  });
+}
+
+// 获取用户的问卷答案
+export function getUserResponses(userId) {
+  return request({
+    url: `/survey/user/${userId}`,
+    method: 'get',
+  });
+}

frontend/src/api/user.js

@@ -0,0 +1,26 @@
+import request from '@/utils/request';
+
+// 用户注册
+export function register(data) {
+  return request({
+    url: '/user/register',
+    method: 'post',
+    data,
+  });
+}
+
+// 检查手机号是否已注册
+export function checkPhone(phone) {
+  return request({
+    url: `/user/check/${phone}`,
+    method: 'get',
+  });
+}
+
+// 根据ID获取用户信息
+export function getUserInfo(id) {
+  return request({
+    url: `/user/${id}`,
+    method: 'get',
+  });
+}

frontend/src/main.js

@@ -0,0 +1,12 @@
+import { createApp } from 'vue';
+import { createPinia } from 'pinia';
+import App from './App.vue';
+import router from './router';
+import 'vant/lib/index.css';
+
+const app = createApp(App);
+
+app.use(createPinia());
+app.use(router);
+
+app.mount('#app');

frontend/src/router/index.js

@@ -0,0 +1,43 @@
+import { createRouter, createWebHistory } from 'vue-router';
+
+const router = createRouter({
+  history: createWebHistory(import.meta.env.BASE_URL),
+  routes: [
+    {
+      path: '/',
+      name: 'home',
+      component: () => import('@/views/HomeView.vue'),
+    },
+    {
+      path: '/register',
+      name: 'register',
+      component: () => import('@/views/RegisterView.vue'),
+    },
+    {
+      path: '/survey',
+      name: 'survey',
+      component: () => import('@/views/SurveyView.vue'),
+      meta: { requiresAuth: true },
+    },
+  ],
+});
+
+// 路由守卫
+router.beforeEach(async (to, from, next) => {
+  const userId = localStorage.getItem('userId');
+
+  // 如果是从注册页面来的，允许直接进入需要认证的页面
+  if (from.name === 'register' && to.meta.requiresAuth) {
+    next();
+    return;
+  }
+
+  // 其他情况下检查认证
+  if (to.meta.requiresAuth && !userId) {
+    next({ name: 'register' });
+  } else {
+    next();
+  }
+});
+
+export default router;

frontend/src/stores/survey.js

@@ -0,0 +1,105 @@
+import { defineStore } from 'pinia';
+import { ref } from 'vue';
+import {
+  getUserQuestions,
+  getQuestionOptions,
+  getNextQuestion,
+  submitSurvey,
+  getUserResponses
+} from '@/api/survey';
+import { showToast } from 'vant';
+
+export const useSurveyStore = defineStore('survey', () => {
+  const currentQuestion = ref(null);
+  const questionOptions = ref([]);
+  const userResponses = ref([]);
+  const currentQuestionNumber = ref(0);
+  const isCompleted = ref(false);
+
+  // 获取用户的问题列表
+  async function fetchUserQuestions(userId) {
+    try {
+      const response = await getUserQuestions(userId);
+      return response.data;
+    } catch (error) {
+      showToast('获取问题列表失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 获取问题的选项列表
+  async function fetchQuestionOptions(questionId) {
+    try {
+      const response = await getQuestionOptions(questionId);
+      questionOptions.value = response.data;
+      return response.data;
+    } catch (error) {
+      showToast('获取问题选项失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 获取下一个问题
+  async function fetchNextQuestion(userId, selectedOptions) {
+    try {
+      const response = await getNextQuestion(userId, currentQuestionNumber.value, selectedOptions);
+      if (response.data) {
+        currentQuestion.value = response.data;
+        currentQuestionNumber.value++;
+        await fetchQuestionOptions(response.data.id);
+      } else {
+        isCompleted.value = true;
+      }
+      return response.data;
+    } catch (error) {
+      showToast('获取下一个问题失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 提交问卷答案
+  async function submitSurveyResponses(userId, responses) {
+    try {
+      const response = await submitSurvey(userId, responses);
+      userResponses.value = responses;
+      return response.data;
+    } catch (error) {
+      showToast('提交问卷失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 获取用户的问卷答案
+  async function fetchUserResponses(userId) {
+    try {
+      const response = await getUserResponses(userId);
+      userResponses.value = response.data;
+      return response.data;
+    } catch (error) {
+      showToast('获取问卷答案失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 重置问卷状态
+  function resetSurvey() {
+    currentQuestion.value = null;
+    questionOptions.value = [];
+    currentQuestionNumber.value = 0;
+    isCompleted.value = false;
+  }
+
+  return {
+    currentQuestion,
+    questionOptions,
+    userResponses,
+    currentQuestionNumber,
+    isCompleted,
+    fetchUserQuestions,
+    fetchQuestionOptions,
+    fetchNextQuestion,
+    submitSurveyResponses,
+    fetchUserResponses,
+    resetSurvey,
+  };
+});

frontend/src/stores/user.js

@@ -0,0 +1,61 @@
+import { defineStore } from 'pinia';
+import { ref } from 'vue';
+import { register, checkPhone, getUserInfo } from '@/api/user';
+import { showToast } from 'vant';
+
+export const useUserStore = defineStore('user', () => {
+  const userId = ref(localStorage.getItem('userId') || '');
+  const userInfo = ref(null);
+
+  // 注册用户
+  async function registerUser(data) {
+    try {
+      const response = await register(data);
+      userId.value = response.data.id;
+      localStorage.setItem('userId', userId.value);
+      return response;
+    } catch (error) {
+      showToast('注册失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 检查手机号是否已注册
+  async function checkPhoneNumber(phone) {
+    try {
+      const response = await checkPhone(phone);
+      return response.data;
+    } catch (error) {
+      showToast('检查手机号失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 获取用户信息
+  async function fetchUserInfo(id) {
+    try {
+      const response = await getUserInfo(id);
+      userInfo.value = response.data;
+      return response.data;
+    } catch (error) {
+      showToast('获取用户信息失败：' + error.message);
+      throw error;
+    }
+  }
+
+  // 退出登录
+  function logout() {
+    userId.value = '';
+    userInfo.value = null;
+    localStorage.removeItem('userId');
+  }
+
+  return {
+    userId,
+    userInfo,
+    registerUser,
+    checkPhoneNumber,
+    fetchUserInfo,
+    logout,
+  };
+});

frontend/src/utils/request.js

@@ -0,0 +1,32 @@
+import axios from 'axios';
+import { showToast } from 'vant';
+
+const request = axios.create({
+  baseURL: '/api',
+  timeout: 10000,
+});
+
+// 请求拦截器
+request.interceptors.request.use(
+  (config) => {
+    // 可以在这里添加 token 等认证信息
+    return config;
+  },
+  (error) => {
+    return Promise.reject(error);
+  }
+);
+
+// 响应拦截器
+request.interceptors.response.use(
+  (response) => {
+    return response.data;
+  },
+  (error) => {
+    const message = error.response?.data?.message || '请求失败，请稍后重试';
+    showToast(message);
+    return Promise.reject(error);
+  }
+);
+
+export default request;

frontend/src/views/HomeView.vue

@@ -0,0 +1,106 @@
+<template>
+  <div class="home-view">
+    <van-nav-bar title="LLM 问卷调查" />
+
+    <div class="content">
+      <van-image
+        class="logo"
+        width="200"
+        height="200"
+        src="/logo.png"
+        fit="contain"
+      />
+
+      <h1 class="title">欢迎参与 LLM 问卷调查</h1>
+      <p class="description">
+        本问卷旨在了解您对大语言模型（LLM）的使用体验和看法。您的反馈对我们非常重要。
+      </p>
+
+      <div class="action-buttons">
+        <van-button
+          v-if="!userStore.userId"
+          round
+          block
+          type="primary"
+          @click="router.push('/register')"
+        >
+          开始参与
+        </van-button>
+
+        <template v-else>
+          <van-button
+            round
+            block
+            type="primary"
+            @click="router.push('/survey')"
+          >
+            继续答题
+          </van-button>
+
+          <van-button
+            round
+            block
+            type="default"
+            @click="onLogout"
+            class="logout-btn"
+          >
+            退出登录
+          </van-button>
+        </template>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { useRouter } from 'vue-router';
+import { useUserStore } from '@/stores/user';
+import { showToast } from 'vant';
+
+const router = useRouter();
+const userStore = useUserStore();
+
+function onLogout() {
+  userStore.logout();
+  showToast('已退出登录');
+}
+</script>
+
+<style scoped>
+.home-view {
+  min-height: 100vh;
+  background-color: #f7f8fa;
+}
+
+.content {
+  padding: 40px 20px;
+  text-align: center;
+}
+
+.logo {
+  margin-bottom: 20px;
+}
+
+.title {
+  font-size: 24px;
+  font-weight: bold;
+  color: #323233;
+  margin-bottom: 16px;
+}
+
+.description {
+  font-size: 16px;
+  color: #666;
+  line-height: 1.5;
+  margin-bottom: 40px;
+}
+
+.action-buttons {
+  max-width: 300px;
+  margin: 0 auto;
+}
+
+.logout-btn {
+  margin-top: 16px;
+}
+</style>

frontend/src/views/RegisterView.vue

@@ -0,0 +1,181 @@
+<template>
+  <div class="register-view">
+    <van-nav-bar title="用户注册" />
+
+    <van-form @submit="onSubmit" class="register-form">
+      <van-cell-group inset>
+        <van-field
+          v-model="formData.phone"
+          name="phone"
+          label="手机号"
+          placeholder="请输入手机号"
+          :rules="[
+            { required: true, message: '请填写手机号' },
+            { pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号' }
+          ]"
+          @blur="onPhoneBlur"
+        />
+
+        <van-field
+          v-model="formData.name"
+          name="name"
+          label="姓名"
+          placeholder="请输入姓名"
+          :rules="[{ required: true, message: '请填写姓名' }]"
+        />
+
+        <van-field
+          v-model="displayWorkArea"
+          name="workArea"
+          label="工作内容"
+          readonly
+          clickable
+          placeholder="请选择工作内容"
+          :rules="[{ required: true, message: '请选择工作内容' }]"
+          @click="showWorkAreaPicker = true"
+        />
+        <van-popup v-model:show="showWorkAreaPicker" position="bottom">
+          <van-picker
+            :columns="workAreaOptions"
+            @confirm="onWorkAreaConfirm"
+            @cancel="showWorkAreaPicker = false"
+            show-toolbar
+            title="选择工作内容"
+          />
+        </van-popup>
+
+        <van-field
+          v-model="displayPositionType"
+          name="positionType"
+          label="岗位性质"
+          readonly
+          clickable
+          placeholder="请选择岗位性质"
+          :rules="[{ required: true, message: '请选择岗位性质' }]"
+          @click="showPositionTypePicker = true"
+        />
+        <van-popup v-model:show="showPositionTypePicker" position="bottom">
+          <van-picker
+            :columns="positionTypeOptions"
+            @confirm="onPositionTypeConfirm"
+            @cancel="showPositionTypePicker = false"
+            show-toolbar
+            title="选择岗位性质"
+          />
+        </van-popup>
+      </van-cell-group>
+
+      <div class="submit-btn">
+        <van-button round block type="primary" native-type="submit">
+          注册
+        </van-button>
+      </div>
+    </van-form>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive } from 'vue';
+import { useRouter } from 'vue-router';
+import { useUserStore } from '@/stores/user';
+import { showToast, showNotify } from 'vant';
+
+const router = useRouter();
+const userStore = useUserStore();
+
+const formData = reactive({
+  phone: '',
+  name: '',
+  workArea: '',
+  positionType: '',
+});
+
+const showWorkAreaPicker = ref(false);
+const showPositionTypePicker = ref(false);
+const displayWorkArea = ref('');
+const displayPositionType = ref('');
+
+const workAreaOptions = [
+  { text: '研发', value: 'RD' },
+  { text: '项目', value: 'PROJECT' },
+  { text: '保险', value: 'INSURANCE' },
+  { text: '财务', value: 'FINANCE' },
+  { text: '运营', value: 'OPERATION' },
+  { text: '客服', value: 'CUSTOMER_SERVICE' },
+  { text: '综合管理', value: 'ADMIN' }
+];
+
+const positionTypeOptions = [
+  { text: '管理岗', value: 'MANAGEMENT' },
+  { text: '技术岗', value: 'TECHNICAL' },
+  { text: '业务岗', value: 'BUSINESS' },
+  { text: '职能支持岗', value: 'SUPPORT' }
+];
+
+// 手机号失去焦点时检查是否已注册
+async function onPhoneBlur() {
+  if (formData.phone && /^1[3-9]\d{9}$/.test(formData.phone)) {
+    try {
+      const isRegistered = await userStore.checkPhoneNumber(formData.phone);
+      if (isRegistered) {
+        showToast('该手机号已注册');
+        formData.phone = '';
+      }
+    } catch (error) {
+      console.error('检查手机号失败:', error);
+    }
+  }
+}
+
+// 工作内容选择确认
+function onWorkAreaConfirm({ selectedOptions }) {
+  console.log(selectedOptions);
+  formData.workArea = selectedOptions[0].value;
+  displayWorkArea.value = selectedOptions[0].text;
+  showWorkAreaPicker.value = false;
+  console.log(formData.workArea);
+  console.log(displayWorkArea.value);
+}
+
+// 岗位性质选择确认
+function onPositionTypeConfirm({ selectedOptions }) {
+  formData.positionType = selectedOptions[0].value;
+  displayPositionType.value = selectedOptions[0].text;
+  showPositionTypePicker.value = false;
+}
+
+// 提交表单
+async function onSubmit() {
+  try {
+    await userStore.registerUser(formData);
+    // 使用 showNotify 显示成功提示，不会干扰用户操作
+    showNotify({
+      type: 'success',
+      message: '注册成功',
+      duration: 2000,
+      position: 'top'
+    });
+    // 等待提示显示后再跳转
+    setTimeout(() => {
+      router.replace('/survey');
+    }, 500);
+  } catch (error) {
+    console.error('注册失败:', error);
+  }
+}
+</script>
+
+<style scoped>
+.register-view {
+  min-height: 100vh;
+  background-color: #f7f8fa;
+}
+
+.register-form {
+  padding: 20px;
+}
+
+.submit-btn {
+  margin: 16px;
+}
+</style>

frontend/src/views/SurveyView.vue

@@ -0,0 +1,183 @@
+<template>
+  <div class="survey-view">
+    <van-nav-bar
+      title="问卷调查"
+      left-text="返回"
+      left-arrow
+      @click-left="onBack"
+    />
+
+    <div v-if="!surveyStore.isCompleted" class="survey-content">
+      <div v-if="surveyStore.currentQuestion" class="question-card">
+        <van-cell-group inset>
+          <van-cell>
+            <template #title>
+              <div class="question-title">
+                {{ surveyStore.currentQuestionNumber }}. {{ surveyStore.currentQuestion.content }}
+              </div>
+            </template>
+          </van-cell>
+
+          <van-radio-group v-model="selectedOption">
+            <van-cell-group>
+              <van-cell
+                v-for="option in surveyStore.questionOptions"
+                :key="option.id"
+                clickable
+                @click="selectedOption = option.id"
+              >
+                <template #title>
+                  <van-radio :name="option.id">{{ option.content }}</van-radio>
+                </template>
+              </van-cell>
+            </van-cell-group>
+          </van-radio-group>
+        </van-cell-group>
+
+        <div class="action-buttons">
+          <van-button
+            round
+            block
+            type="primary"
+            :disabled="!selectedOption"
+            @click="onNextQuestion"
+          >
+            下一题
+          </van-button>
+        </div>
+      </div>
+
+      <van-empty v-else description="加载中..." />
+    </div>
+
+    <div v-else class="survey-completed">
+      <van-empty description="问卷已完成">
+        <template #image>
+          <van-icon name="success" size="64" color="#07c160" />
+        </template>
+      </van-empty>
+      <van-button
+        round
+        type="primary"
+        class="restart-button"
+        @click="onRestartSurvey"
+      >
+        重新开始
+      </van-button>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+import { useRouter } from 'vue-router';
+import { useUserStore } from '@/stores/user';
+import { useSurveyStore } from '@/stores/survey';
+import { showToast } from 'vant';
+
+const router = useRouter();
+const userStore = useUserStore();
+const surveyStore = useSurveyStore();
+
+const selectedOption = ref('');
+const responses = ref([]);
+
+// 返回上一页
+function onBack() {
+  router.back();
+}
+
+// 获取下一个问题
+async function onNextQuestion() {
+  if (!selectedOption.value) {
+    showToast('请选择一个选项');
+    return;
+  }
+
+  try {
+    // 保存当前答案
+    responses.value.push({
+      questionId: surveyStore.currentQuestion.id,
+      optionId: selectedOption.value,
+    });
+
+    // 获取下一个问题
+    const nextQuestion = await surveyStore.fetchNextQuestion(
+      userStore.userId,
+      selectedOption.value
+    );
+
+    // 如果没有下一个问题，提交答案
+    if (!nextQuestion) {
+      await surveyStore.submitSurveyResponses(userStore.userId, responses.value);
+      showToast('问卷提交成功');
+    }
+
+    // 重置选项
+    selectedOption.value = '';
+  } catch (error) {
+    console.error('获取下一个问题失败:', error);
+  }
+}
+
+// 重新开始问卷
+function onRestartSurvey() {
+  surveyStore.resetSurvey();
+  responses.value = [];
+  initSurvey();
+}
+
+// 初始化问卷
+async function initSurvey() {
+  try {
+    await surveyStore.fetchNextQuestion(userStore.userId);
+  } catch (error) {
+    console.error('初始化问卷失败:', error);
+    showToast('初始化问卷失败，请重试');
+  }
+}
+
+// 组件挂载时初始化
+onMounted(() => {
+  if (!userStore.userId) {
+    router.replace('/register');
+    return;
+  }
+  initSurvey();
+});
+</script>
+
+<style scoped>
+.survey-view {
+  min-height: 100vh;
+  background-color: #f7f8fa;
+}
+
+.survey-content {
+  padding: 20px;
+}
+
+.question-card {
+  margin-bottom: 20px;
+}
+
+.question-title {
+  font-size: 16px;
+  font-weight: bold;
+  line-height: 1.5;
+}
+
+.action-buttons {
+  margin-top: 20px;
+}
+
+.survey-completed {
+  padding: 40px 20px;
+  text-align: center;
+}
+
+.restart-button {
+  margin-top: 20px;
+  width: 80%;
+}
+</style>

frontend/vite.config.js

@@ -0,0 +1,48 @@
+import { defineConfig } from 'vite';
+import vue from '@vitejs/plugin-vue';
+import Components from 'unplugin-vue-components/vite';
+import { VantResolver } from 'unplugin-vue-components/resolvers';
+import { fileURLToPath, URL } from 'node:url';
+import postcssPxToViewport from 'postcss-px-to-viewport';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    vue(),
+    // 自动导入 Vant 组件
+    Components({
+      resolvers: [VantResolver()],
+    }),
+  ],
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
+    },
+  },
+  css: {
+    postcss: {
+      plugins: [
+        // 移动端适配
+        postcssPxToViewport({
+          viewportWidth: 375, // 设计稿宽度
+          viewportUnit: 'vw',
+          fontViewportUnit: 'vw',
+          selectorBlackList: ['.ignore-'], // 不转换的类名
+          minPixelValue: 1, // 最小转换数值
+          mediaQuery: false, // 是否转换媒体查询中的像素值
+        }),
+      ],
+    },
+  },
+  server: {
+    host: '0.0.0.0',
+    port: 3000,
+    proxy: {
+      '/api': {
+        target: 'http://localhost:18080/llm-survey-api',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/api/, ''),
+      },
+    },
+  },
+});