1、系统菜单调整；

2、系统看板UI调整； 3、事故事件功能 4、其他
2025-12-10 15:58:02 +08:00
parent 3d00bb7a94
commit 6619f1e004
276 changed files with 131707 additions and 50045 deletions
@@ -0,0 +1,102 @@
+using System;
+using System.Runtime.Caching;
+
+namespace BLL
+{
+    public class CacheHelper
+    {
+        private static readonly ObjectCache Cache = MemoryCache.Default;
+
+        /// <summary>
+        /// 添加缓存项
+        /// </summary>
+        /// <param name="key">缓存键</param>
+        /// <param name="value">缓存值</param>
+        /// <param name="absoluteExpiration">绝对过期时间</param>
+        public static void Add(string key, object value, DateTimeOffset absoluteExpiration)
+        {
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException(nameof(key));
+            }
+
+            Cache.Set(key, value, absoluteExpiration);
+        }
+
+        /// <summary>
+        /// 获取缓存项（泛型）
+        /// </summary>
+        /// <typeparam name="T">返回类型</typeparam>
+        /// <param name="key">缓存键</param>
+        /// <returns>缓存值</returns>
+        public static T Get<T>(string key)
+        {
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException(nameof(key));
+            }
+
+            object value = Cache[key];
+            if (value is T tValue)
+            {
+                return tValue;
+            }
+            return default(T);
+        }
+
+        /// <summary>
+        /// 获取缓存项
+        /// </summary>
+        /// <param name="key">缓存键</param>
+        /// <returns>缓存值</returns>
+        public static object Get(string key)
+        {
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException(nameof(key));
+            }
+
+            return Cache[key];
+        }
+
+        /// <summary>
+        /// 移除缓存项
+        /// </summary>
+        /// <param name="key">缓存键</param>
+        public static void Remove(string key)
+        {
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException(nameof(key));
+            }
+
+            Cache.Remove(key);
+        }
+
+        /// <summary>
+        /// 清空所有缓存
+        /// </summary>
+        public static void Clear()
+        {
+            foreach (var item in Cache)
+            {
+                Cache.Remove(item.Key);
+            }
+        }
+
+        /// <summary>
+        /// 检查缓存项是否存在
+        /// </summary>
+        /// <param name="key">缓存键</param>
+        /// <returns>是否存在</returns>
+        public static bool Exists(string key)
+        {
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException(nameof(key));
+            }
+
+            return Cache.Contains(key);
+        }
+    }
+}