feat(oa): 添加AI数据查询功能

- 新增AI数据查询接口和相关服务
- 实现关键词匹配和AI智能识别表功能
- 添加SQL生成和执行逻辑
- 新增动态数据返回格式和字段信息类
- 优化SQL安全性验证

ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaAiController.java

@@ -26,8 +26,10 @@ import com.ruoyi.oa.domain.bo.SysOaAiMessageBo;
 import com.ruoyi.oa.service.ISysOaAiConversationService;
 import com.ruoyi.oa.service.ISysOaAiMessageService;
 import com.ruoyi.oa.service.ISysOaAiConfigService;
+import com.ruoyi.oa.service.IAiDataQueryService;
 import com.ruoyi.oa.utils.AiServiceUtil;
 import com.ruoyi.common.core.page.TableDataInfo;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * AI对话管理
@@ -39,12 +41,14 @@ import com.ruoyi.common.core.page.TableDataInfo;
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/oa/ai")
+@Slf4j
 public class SysOaAiController extends BaseController {
 
     private final ISysOaAiConversationService conversationService;
     private final ISysOaAiMessageService messageService;
     private final ISysOaAiConfigService configService;
     private final AiServiceUtil aiServiceUtil;
+    private final IAiDataQueryService aiDataQueryService;
 
     /**
      * 查询AI对话历史列表
@@ -275,4 +279,39 @@ public class SysOaAiController extends BaseController {
     private String callAiService(String message) {
         return aiServiceUtil.callDeepSeek(message);
     }
+
+    /**
+     * AI数据查询接口
+     * 根据用户自然语言描述查询数据库数据
+     */
+    @PostMapping("/data-query")
+    public R<com.ruoyi.oa.domain.vo.DynamicDataVo> queryDataByAi(@Validated @RequestBody com.ruoyi.oa.domain.bo.OaAiDataQueryBo queryBo) {
+        try {
+            com.ruoyi.oa.domain.vo.DynamicDataVo result = aiDataQueryService.queryDataByAi(queryBo);
+            return R.ok(result);
+        } catch (Exception e) {
+            log.error("AI数据查询失败", e);
+            return R.fail("AI数据查询失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 根据关键词匹配相关表
+     */
+    @PostMapping("/match-tables")
+    public R<java.util.List<String>> matchTablesByKeywords(@RequestBody java.util.Map<String, String[]> request) {
+        try {
+            String[] keywords = request.get("keywords");
+            if (keywords == null || keywords.length == 0) {
+                return R.fail("关键词不能为空");
+            }
+            java.util.List<String> matchedTables = aiDataQueryService.matchTablesByKeywords(keywords);
+            return R.ok(matchedTables);
+        } catch (Exception e) {
+            log.error("表匹配失败", e);
+            return R.fail("表匹配失败: " + e.getMessage());
+        }
+    }
+
+
 }