/// <summary> /// 根据Key获取前台配置 /// </summary> /// <param name="key"></param> /// <returns></returns> public static string GetSysConfigByKey(string key) { string cacheKey = "GetSysConfigByKey" + key; if (HttpRuntime.Cache[cacheKey] != null) { return((string)HttpRuntime.Cache[cacheKey]); } string value = CommonDA.GetSysConfigByKey(key); if (!string.IsNullOrWhiteSpace(value)) { HttpRuntime.Cache.Insert(cacheKey, value, null, DateTime.Now.AddSeconds(CacheTime.Longest), Cache.NoSlidingExpiration); } return(value); }