添加配置管理功能，包括获取和设置配置值的接口及实现

Entity/ConfigEntity.cs

@@ -0,0 +1,31 @@
+namespace Entity;
+
+/// <summary>
+/// 配置实体
+/// </summary>
+[Table(Name = "Config")]
+public class ConfigEntity : BaseEntity
+{
+    /// <summary>
+    /// 配置Key
+    /// </summary>
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 配置Value
+    /// </summary>
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 配置类型
+    /// </summary>
+    public ConfigType Type { get; set; }
+}
+
+public enum ConfigType
+{
+    Boolean,
+    String,
+    Json,
+    Number
+}

Repository/ConfigRepository.cs

@@ -0,0 +1,19 @@
+namespace Repository;
+
+public interface IConfigRepository : IBaseRepository<ConfigEntity>
+{
+    /// <summary>
+    /// 根据Key获取配置
+    /// </summary>
+    Task<ConfigEntity?> GetByKeyAsync(string key);
+}
+
+public class ConfigRepository(IFreeSql freeSql) : BaseRepository<ConfigEntity>(freeSql), IConfigRepository
+{
+    public async Task<ConfigEntity?> GetByKeyAsync(string key)
+    {
+        return await FreeSql.Select<ConfigEntity>()
+            .Where(c => c.Key == key)
+            .FirstAsync();
+    }
+}

Service/ConfigService.cs

@@ -0,0 +1,77 @@
+namespace Service;
+
+public interface IConfigService
+{
+    /// <summary>
+    /// 根据Key获取配置值
+    /// </summary>
+    Task<T?> GetConfigByKeyAsync<T>(string key);
+
+    /// <summary>
+    /// 设置配置值
+    /// </summary>
+    Task<bool> SetConfigByKeyAsync<T>(string key, T value);
+}
+
+public class ConfigService(IConfigRepository configRepository) : IConfigService
+{
+    public async Task<T?> GetConfigByKeyAsync<T>(string key)
+    {
+        var config = await configRepository.GetByKeyAsync(key);
+        if (config == null || string.IsNullOrEmpty(config.Value))
+        {
+            return default;
+        }
+
+        return config.Type switch
+        {
+            ConfigType.Boolean => (T)(object)bool.Parse(config.Value),
+            ConfigType.String => (T)(object)config.Value,
+            ConfigType.Number => (T)Convert.ChangeType(config.Value, typeof(T)),
+            ConfigType.Json => JsonSerializer.Deserialize<T>(config.Value) ?? default,
+            _ => default
+        };
+    }
+
+    public async Task<bool> SetConfigByKeyAsync<T>(string key, T value)
+    {
+        if (value == null)
+        {
+            return false;
+        }
+
+        var config = await configRepository.GetByKeyAsync(key);
+        var type = typeof(T) switch
+        {
+            Type t when t == typeof(bool) => ConfigType.Boolean,
+            Type t when t == typeof(int)
+                || t == typeof(double)
+                || t == typeof(float)
+                || t == typeof(decimal) => ConfigType.Number,
+            Type t when t == typeof(string) => ConfigType.String,
+            _ => ConfigType.Json
+        };
+        var valueStr = type switch
+        {
+            ConfigType.Boolean => value.ToString()!.ToLower(),
+            ConfigType.Number => value.ToString()!,
+            ConfigType.String => value as string ?? string.Empty,
+            ConfigType.Json => JsonSerializer.Serialize(value),
+            _ => throw new InvalidOperationException("Unsupported config type")
+        };
+        if (config == null)
+        {
+            config = new ConfigEntity
+            {
+                Key = key,
+                Type = type,
+
+            };
+            return await configRepository.AddAsync(config);
+        }
+
+        config.Value = valueStr;
+        config.Type = type;
+        return await configRepository.UpdateAsync(config);
+    }
+}

Service/SmartHandleService.cs

@@ -14,7 +14,8 @@ public class SmartHandleService(
     ITextSegmentService textSegmentService,
     ILogger<SmartHandleService> logger,
     ITransactionCategoryRepository categoryRepository,
-    IOpenAiService openAiService
+    IOpenAiService openAiService,
+    IConfigService configService
 ) : ISmartHandleService
 {
     public async Task SmartClassifyAsync(long[] transactionIds, Action<(string, string)> chunkAction)
@@ -258,9 +259,9 @@ public class SmartHandleService(
         {
             // 第一步：使用AI生成聚合SQL查询
             var now = DateTime.Now;
-            var sqlPrompt = $"""
-            当前日期：{now:yyyy年M月d日}（{now:yyyy-MM-dd}）
-            用户问题：{userInput}
+            var sqlPrompt = $$"""
+            当前日期：{{now:yyyy年M月d日}}（{{now:yyyy-MM-dd}}）
+            用户问题：{{userInput}}
             
             数据库类型：SQLite
             数据库表名：TransactionRecord
@@ -291,21 +292,26 @@ public class SmartHandleService(
             - 提取日期：strftime('%Y-%m-%d', OccurredAt)
             - 不要使用 YEAR()、MONTH()、DAY() 函数，SQLite不支持
             
-            示例1（按分类统计）：
-            用户：这三个月坐车花了多少钱？
-            返回：SELECT Classify, COUNT(*) as TransactionCount, SUM(ABS(Amount)) as TotalAmount, AVG(ABS(Amount)) as AvgAmount FROM TransactionRecord WHERE Type = 0 AND OccurredAt >= '2025-10-01' AND OccurredAt < '2026-01-01' AND (Classify LIKE '%交通%' OR Reason LIKE '%打车%' OR Reason LIKE '%公交%' OR Reason LIKE '%地铁%') GROUP BY Classify ORDER BY TotalAmount DESC
+            【重要】最终的SQL会被一下DOTNET代码执行, 请确保你生成的代码可执行，不报错
+            ```C#
+            public async Task<List<dynamic>> ExecuteDynamicSqlAsync(string completeSql)
+            {
+                var dt = await FreeSql.Ado.ExecuteDataTableAsync(completeSql);
+                var result = new List<dynamic>();
 
-            示例2（按月统计）：
-            用户：最近半年每月支出情况
-            返回：SELECT strftime('%Y', OccurredAt) as Year, strftime('%m', OccurredAt) as Month, COUNT(*) as TransactionCount, SUM(ABS(Amount)) as TotalAmount FROM TransactionRecord WHERE Type = 0 AND OccurredAt >= '2025-06-01' GROUP BY strftime('%Y', OccurredAt), strftime('%m', OccurredAt) ORDER BY Year, Month
+                foreach (System.Data.DataRow row in dt.Rows)
+                {
+                    var expando = new System.Dynamic.ExpandoObject() as IDictionary<string, object>;
+                    foreach (System.Data.DataColumn column in dt.Columns)
+                    {
+                        expando[column.ColumnName] = row[column];
+                    }
+                    result.Add(expando);
+                }
 
-            示例3（总体统计）：
-            用户：本月花了多少钱？
-            返回：SELECT COUNT(*) as TransactionCount, SUM(ABS(Amount)) as TotalAmount, AVG(ABS(Amount)) as AvgAmount, MAX(ABS(Amount)) as MaxAmount FROM TransactionRecord WHERE Type = 0 AND OccurredAt >= '2025-12-01' AND OccurredAt < '2026-01-01'
-            
-            示例4（详细记录 - 仅在用户明确要求详情时使用）：
-            用户：单笔超过1000元的支出有哪些？
-            返回：SELECT OccurredAt, Classify, Reason, ABS(Amount) as Amount FROM TransactionRecord WHERE Type = 0 AND ABS(Amount) > 1000 ORDER BY Amount DESC LIMIT 50
+                return result;
+            }
+            ```
 
             只返回SQL语句。
             """;
@@ -344,10 +350,15 @@ public class SmartHandleService(
                 Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping
             });
 
+            var userPromptExtra = await configService.GetConfigByKeyAsync<string>("BillAnalysisPrompt");
+
             var dataPrompt = $"""
             当前日期：{DateTime.Now:yyyy年M月d日}
             用户问题：{userInput}
             
+            【用户要求（重要）】
+            {userInput}
+
             查询结果数据（JSON格式）：
             {dataJson}
             
@@ -376,6 +387,9 @@ public class SmartHandleService(
             14. 给出实用建议：基于数据提供合理的财务建议
             15. 语言专业、清晰、简洁
 
+            【用户补充（重要）】
+            {userPromptExtra}
+            
             直接输出纯净的HTML内容，不要markdown代码块标记。
             """;
 

Web/src/api/config.js

@@ -0,0 +1,28 @@
+import request from './request'
+
+/**
+ * 获取配置值
+ * @param {string} key - 配置的key
+ * @returns {Promise<{success: boolean, data: string}>}
+ */
+export const getConfig = (key) => {
+  return request({
+    url: '/Config/GetConfig',
+    method: 'get',
+    params: { key }
+  })
+}
+
+/**
+ * 设置配置值
+ * @param {string} key - 配置的key
+ * @param {string} value - 配置的值
+ * @returns {Promise<{success: boolean}>}
+ */
+export const setConfig = (key, value) => {
+  return request({
+    url: '/Config/SetConfig',
+    method: 'post',
+    params: { key, value }
+  })
+}

Web/src/views/BillAnalysisView.vue

@@ -6,7 +6,16 @@
       left-arrow 
       placeholder 
       @click-left="onClickLeft"
+    >
+      <template #right>
+        <van-icon 
+          name="question-o" 
+          size="20" 
+          @click="onClickPrompt"
+          style="cursor: pointer; padding-right: 12px;"
         />
+      </template>
+    </van-nav-bar>
 
     <div class="scroll-content analysis-content">
       <!-- 输入区域 -->
@@ -71,13 +80,32 @@
         </div>
       </div>
     </div>
+
+    <!-- 提示词设置弹窗 -->
+    <van-dialog
+      v-model:show="showPromptDialog"
+      title="编辑分析提示词"
+      :show-cancel-button="true"
+      @confirm="confirmPrompt"
+    >
+      <van-field
+        v-model="promptValue"
+        rows="4"
+        autosize
+        type="textarea"
+        maxlength="2000"
+        placeholder="输入自定义的分析提示词..."
+        show-word-limit
+      />
+    </van-dialog>
   </div>
 </template>
 
 <script setup>
 import { ref, nextTick } from 'vue'
 import { useRouter } from 'vue-router'
-import { showToast } from 'vant'
+import { showToast, showLoadingToast, closeToast } from 'vant'
+import { getConfig, setConfig } from '@/api/config'
 
 const router = useRouter()
 const userInput = ref('')
@@ -87,6 +115,10 @@ const resultHtml = ref('')
 const resultContainer = ref(null)
 const scrollAnchor = ref(null)
 
+// 提示词弹窗相关
+const showPromptDialog = ref(false)
+const promptValue = ref('')
+
 // 快捷问题
 const quickQuestions = [
   '最近三个月交通费用多少？',
@@ -100,6 +132,45 @@ const onClickLeft = () => {
   router.back()
 }
 
+// 点击提示词按钮
+const onClickPrompt = async () => {
+  try {
+    const response = await getConfig('BillAnalysisPrompt')
+    if (response.success) {
+      promptValue.value = response.data || ''
+    }
+  } catch (error) {
+    console.error('获取提示词失败:', error)
+  }
+  showPromptDialog.value = true
+}
+
+// 确认提示词
+const confirmPrompt = async () => {
+  if (!promptValue.value.trim()) {
+    showToast('请输入提示词')
+    return
+  }
+
+  showLoadingToast({
+    message: '保存中...',
+    forbidClick: true
+  })
+
+  try {
+    const response = await setConfig('BillAnalysisPrompt', promptValue.value)
+    if (response.success) {
+      showToast('提示词已保存')
+      showPromptDialog.value = false
+    }
+  } catch (error) {
+    console.error('保存提示词失败:', error)
+    showToast('保存失败，请重试')
+  } finally {
+    closeToast()
+  }
+}
+
 // 选择快捷问题
 const selectQuestion = (question) => {
   userInput.value = question

WebApi/Controllers/ConfigController.cs

@@ -0,0 +1,41 @@
+namespace WebApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]/[action]")]
+public class ConfigController(
+    IConfigService configService
+) : ControllerBase
+{
+    /// <summary>
+    /// 获取配置值
+    /// </summary>
+    public async Task<BaseResponse<string>> GetConfig(string key)
+    {
+        try
+        {
+            var config = await configService.GetConfigByKeyAsync<string>(key);
+            var value = config ?? string.Empty;
+            return value.Ok("配置获取成功");
+        }
+        catch (Exception ex)
+        {
+            return $"获取{key}配置失败: {ex.Message}".Fail<string>();
+        }
+    }
+
+    /// <summary>
+    /// 设置配置值
+    /// </summary>
+    public async Task<BaseResponse> SetConfig(string key, string value)
+    {
+        try
+        {
+            await configService.SetConfigByKeyAsync(key, value);
+            return "配置设置成功".Ok();
+        }
+        catch (Exception ex)
+        {
+            return $"设置{key}配置失败: {ex.Message}".Fail();
+        }
+    }
+}

launch.bat

@@ -0,0 +1,3 @@
+cd Web; pnpm i ;pnpm dev;
+
+cd ../WebApi; dotnet watch run;