.NET CORE下的Cache

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Web;using Microsoft.Extensions.Caching.Memory;namespace Common{ ???public class CacheHelper ???{ ???????private static MemoryCache memoryCache = new MemoryCache(new MemoryCacheOptions()); ???????/// <summary> ???????/// 添加缓存 ???????/// </summary> ???????/// <param name="key"></param> ???????/// <param name="value"></param> ???????/// <param name="minutes">缓存有效时间</param> ???????public static void Add(string key, object value, int minutes) ???????{ ???????????????????????memoryCache.Set(key, value, new TimeSpan(0, minutes, 0)); ???????????????????} ???????/// <summary> ???????/// 获取缓存值 ???????/// </summary> ???????/// <param name="key"></param> ???????/// <returns></returns> ???????public static object GetValue(string key) ???????{ ???????????object value = null; ???????????memoryCache.TryGetValue(key, out value); ???????????return value; ???????} ???????/// <summary> ???????/// 删除缓存 ???????/// </summary> ???????/// <param name="key"></param> ???????public static void Remove(string key) ???????{ ???????????memoryCache.Remove(key); ???????} ???}}