在程序中经常需要用到一些内存缓存，每个获取到的数据都需要重新实现一遍缓存处理，代码冗余，基于此，现提供一种通用的内存缓存实现，直接上代码：
/// summary
/// 获取缓存对象
/// /summary
/// typeparam name=T缓存实体对象/typeparam
/// param name=dele实体数据获取方法/param
/// param name=cacheKey缓存关键字/param
/// param name=cacheDuration缓存时间(分钟)/param
/// param name=objs实体数据获取参 /param
/// returns参数T /returns
public static T GetCacheData( Delegate dele, string cacheKey, int cacheDuration, params ob ject [] objs)
{
if ( HttpRuntime.Cache.Get(cacheKey) == null )
{
string assemblyName = dele.Target.GetType().Assembly.FullName;
string typeName = dele.Target.GetType().FullName;
ob ject instance = Assembly.Load(assemblyName).CreateInstance(typeName);
MethodInfo methodInfo = dele.Method;
T result = (T)methodInfo.Invoke(instance, objs);
HttpRuntime.Cache.Add(cacheKey, result, null , Cache.NoAbsoluteExpiration, TimeSpan .FromMinutes(cacheDuration), CacheItemPriority.NotRemovable, null );
}
return (T) HttpRuntime.Cache[cacheKey];
}
使用HttpRuntime.Cache缓存数据，缓存数据不存在，用委托和反射调用业务方法获取业务数据并缓存。使用如下：
string result = CacheHelper.GetCacheDatastring(new Funcstring, string(cacheTest.GetMyData), one, 5, test
附上另一个可能会重载的版本：
public static TResult GetCacheDataT1, T2, TResult(FuncT1, T2, TResult func, string cacheKey, int cacheTime, T1 para1, T2 para2)
{
if (HttpRuntime.Cache.Get(cacheKey) == null)
{
Console.WriteLine(未命中缓存
TResult result = func(para1, para2);
HttpRuntime.Cache.Add(cacheKey, result, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(cacheTime), CacheItemPriority.NotRemovable, null);
return result;
}
Console.WriteLine(命中缓存
return (TResult)HttpRuntime.Cache.Get(cacheKey);
}
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