小议优化ASP.NET应用性能之Cache篇(2) 20 HourFactor = 720; 21 MinuteFactor = 12; 22 Factor = 5; 23 _cache = HttpRuntime.Cache; 24 } 25 26 private SiteCache() 27 { 28 } 29 30 public static void Clear() 31 { 32 IDictionaryEnumerator enumerator = _cache.GetEnumerator(); 33 while (enumerator.MoveNext()) 34 { 35 _cache.Remove(enumerator.Key.ToString()); 36 } 37 } 38 39 public static object Get(string key) 40 { 41 return _cache[key]; 42 } 43 44 public static void Insert(string key, object obj) 45 { 46 Insert(key, obj, null, 1); 47 }