Yuebon.NetCore/Yuebon.Commons/Cache/MemoryCacheService.cs

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using Microsoft.Extensions.Caching.Memory;
using System.Collections;
using System.Reflection;
using System.Runtime.Caching;
using System.Text.RegularExpressions;

namespace Yuebon.Commons.Cache;

/// <summary>
/// MemoryCache缓存操作
/// </summary>
public class MemoryCacheService : ICacheService
{
    /// <summary>
    /// 
    /// </summary>
    private readonly IMemoryCache _cache= new Microsoft.Extensions.Caching.Memory.MemoryCache(new MemoryCacheOptions());


    #region 验证缓存项是否存在
    /// <summary>
    /// 验证缓存项是否存在,TryGetValue 来检测 Key是否存在的
    /// </summary>
    /// <param name="key">缓存Key</param>
    /// <returns></returns>
    public bool Exists(string key)
    {
        if (key == null)
        {
            throw new ArgumentNullException(nameof(key));
        }
        object cached;
        return _cache.TryGetValue(key, out cached);
    }
    #endregion

    #region 添加缓存

    /// <summary>
    /// 添加缓存
    /// </summary>
    /// <param name="key">缓存Key</param>
    /// <param name="value">缓存Value</param>
    /// <returns></returns>
    public bool Add(string key, object value)
    {
        if (key == null)
        {
            throw new ArgumentNullException(nameof(key));
        }
        if (value == null)
        {
            throw new ArgumentNullException(nameof(value));
        }
        _cache.Set(key, value);
        return Exists(key);
    }
    /// <summary>
    /// 添加缓存