增加变量批量删除功能

YLErpDAL/Modules/RiskEngine/Dto/BatchOperationResult.cs

@@ -14,4 +14,19 @@ namespace YLErp.Modules.RiskEngine.Dto
         /// <summary>错误信息</summary>
         public string ErrorMessage { get; set; }
     }
+
+    /// <summary>
+    /// 批量删除变量结果
+    /// </summary>
+    public class BatchDeleteVariablesResult : BatchOperationResult
+    {
+        /// <summary>成功删除的变量 ID</summary>
+        public List<long> DeletedIds { get; set; }
+        /// <summary>不存在的变量 ID</summary>
+        public List<long> MissingIds { get; set; }
+        /// <summary>因被生效规则引用而跳过的变量 ID</summary>
+        public List<long> BlockedIds { get; set; }
+        /// <summary>被跳过变量的原因，Key 为变量 ID</summary>
+        public Dictionary<long, string> BlockedReasons { get; set; }
+    }
 }

YLErpDAL/Modules/RiskEngine/RiskRuleService.cs

@@ -2383,6 +2383,58 @@ namespace YLErp.Modules.RiskEngine
             InvalidateVariableCache();
         }
 
+        /// <summary>
+        /// 批量删除变量（不存在或被生效规则引用的变量将被跳过）
+        /// </summary>
+        public BatchDeleteVariablesResult BatchDeleteVariables(List<long> variableIds)
+        {
+            if (variableIds == null || variableIds.Count == 0)
+                throw new ServiceException("变量ID列表不能为空");
+
+            var distinctIds = variableIds.Distinct().ToList();
+            var variables = DbContext.glms_risk_variable
+                .Where(v => distinctIds.Contains(v.id))
+                .ToList();
+            var foundIds = variables.Select(v => (long)v.id).ToList();
+            var missingIds = distinctIds.Except(foundIds).ToList();
+            var blockedIds = new List<long>();
+            var blockedReasons = new Dictionary<long, string>();
+            var deletedIds = new List<long>();
+
+            foreach (var variable in variables)
+            {
+                var activeRefCount = GetRulesByVariableId(variable.id)
+                    .Count(r => r.Status == RiskRuleStatus.Active);
+                if (activeRefCount > 0)
+                {
+                    blockedIds.Add(variable.id);
+                    blockedReasons[variable.id] = $"该变量被 {activeRefCount} 个生效中的规则引用，无法删除";
+                    continue;
+                }
+
+                DbContext.glms_risk_variable.Remove(variable);
+                WriteAuditLog("VAR_BATCH_DELETE", "VARIABLE", variable.id, variable.VariableName, $"批量删除变量：{variable.VariableName}");
+                deletedIds.Add(variable.id);
+            }
+
+            if (deletedIds.Count > 0)
+            {
+                DbContext.SaveChanges();
+                InvalidateVariableCache();
+            }
+
+            return new BatchDeleteVariablesResult
+            {
+                Success = true,
+                TotalCount = distinctIds.Count,
+                SuccessCount = deletedIds.Count,
+                DeletedIds = deletedIds,
+                MissingIds = missingIds,
+                BlockedIds = blockedIds,
+                BlockedReasons = blockedReasons
+            };
+        }
+
         /// <summary>
         /// 获取所有变量列表（供下拉选择）
         /// </summary>

YLErpWeb/Controllers/RiskRuleController.cs

@@ -685,6 +685,28 @@ namespace YLErp.Web.Controllers
             }
         }
 
+        [HttpDelete("risk-variables/batch")]
+        [MyAuthorize("风险控制-风控变量删除")]
+        /// <summary>批量删除变量</summary>
+        public async Task<JsonResult> BatchDeleteRiskVariables([FromBody] BatchIdsReq req)
+        {
+            try
+            {
+                var service = GetRiskRuleService();
+                var result = await Task.Run(() => service.BatchDeleteVariables(req?.Ids));
+                return Json(new { success = true, data = result });
+            }
+            catch (ServiceException ex)
+            {
+                return Json(new { success = false, message = ex.Message });
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(ex, "批量删除变量");
+                return Json(new { success = false, message = "系统异常，请联系管理员" });
+            }
+        }
+
         #endregion
 
         #region Trade Types