C# 缓存工厂类
描 述:缓存工厂类
/// <summary> /// 描 述:缓存工厂类 /// </summary> public class CacheFactory { /// <summary> /// 定义通用的Repository /// </summary> /// <returns></returns> public static ICacheService Cache() { var cacheType = Config.GetValue("CacheType"); switch (cacheType) { case "MemoryCache": return new MemoryCacheService(null); case "RedisCache": return new RedisCacheService(); default: return new MemoryCacheService(null); } } }
描 述:缓存接口
public interface ICacheService { /// <summary> /// 验证缓存项是否存在 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> bool Exists(string key); /// <summary> /// 验证缓存项是否存在(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> //Task<bool> ExistsAsync(string key); /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <returns></returns> bool Add(string key, object value); /// <summary> /// 添加缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <returns></returns> //Task<bool> AddAsync(string key, object value); /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte); /// <summary> /// 添加缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> //Task<bool> AddAsync(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte); /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false); /// <summary> /// 添加缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> //Task<bool> AddAsync(string key, object value, TimeSpan expiresIn, bool isSliding = false); /// <summary> /// 删除缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> bool Remove(string key); /// <summary> /// 删除缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> //Task<bool> RemoveAsync(string key); /// <summary> /// 批量删除缓存 /// </summary> /// <param name="key">缓存Key集合</param> /// <returns></returns> void RemoveAll(IEnumerable<string> keys); /// <summary> /// 批量删除缓存(异步方式) /// </summary> /// <param name="key">缓存Key集合</param> /// <returns></returns> //Task RemoveAllAsync(IEnumerable<string> keys); /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> T Get<T>(string key) where T : class; /// <summary> /// 获取缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> //Task<T> GetAsync<T>(string key) where T : class; /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> object Get(string key); /// <summary> /// 获取缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> //Task<object> GetAsync(string key); /// <summary> /// 获取缓存集合 /// </summary> /// <param name="keys">缓存Key集合</param> /// <returns></returns> IDictionary<string, object> GetAll(IEnumerable<string> keys); /// <summary> /// 获取缓存集合(异步方式) /// </summary> /// <param name="keys">缓存Key集合</param> /// <returns></returns> //Task<IDictionary<string, object>> GetAllAsync(IEnumerable<string> keys); /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <returns></returns> bool Replace(string key, object value); /// <summary> /// 修改缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <returns></returns> //Task<bool> ReplaceAsync(string key, object value); /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte); /// <summary> /// 修改缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> //Task<bool> ReplaceAsync(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte); /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false); /// <summary> /// 修改缓存(异步方式) /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> //Task<bool> ReplaceAsync(string key, object value, TimeSpan expiresIn, bool isSliding = false); }
描 述 :MemoryCache
public class MemoryCacheService : ICacheService { protected IMemoryCache Cache; public MemoryCacheService(IMemoryCache _cache) { Cache = _cache; } /// <summary> /// 验证缓存项是否存在 /// </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); } /// <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 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> public bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (value == null) { throw new ArgumentNullException(nameof(value)); } Cache.Set(key, value, new MemoryCacheEntryOptions() .SetSlidingExpiration(expiresSliding) .SetAbsoluteExpiration(expiressAbsoulte) ); return Exists(key); } /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> public bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (value == null) { throw new ArgumentNullException(nameof(value)); } if (isSliding) Cache.Set(key, value, new MemoryCacheEntryOptions() .SetSlidingExpiration(expiresIn) ); else Cache.Set(key, value, new MemoryCacheEntryOptions() .SetAbsoluteExpiration(expiresIn) ); return Exists(key); } /// <summary> /// 删除缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public bool Remove(string key) { if (key == null) { throw new ArgumentNullException(nameof(key)); } Cache.Remove(key); return !Exists(key); } /// <summary> /// 批量删除缓存 /// </summary> /// <param name="key">缓存Key集合</param> /// <returns></returns> public void RemoveAll(IEnumerable<string> keys) { if (keys == null) { throw new ArgumentNullException(nameof(keys)); } keys.ToList().ForEach(item => Cache.Remove(item)); } /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public T Get<T>(string key) where T : class { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.Get(key) as T; } /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public object Get(string key) { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.Get(key); } /// <summary> /// 获取缓存集合 /// </summary> /// <param name="keys">缓存Key集合</param> /// <returns></returns> public IDictionary<string, object> GetAll(IEnumerable<string> keys) { if (keys == null) { throw new ArgumentNullException(nameof(keys)); } var dict = new Dictionary<string, object>(); keys.ToList().ForEach(item => dict.Add(item, Cache.Get(item))); return dict; } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <returns></returns> public bool Replace(string key, object value) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (value == null) { throw new ArgumentNullException(nameof(value)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value); } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> public bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (value == null) { throw new ArgumentNullException(nameof(value)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value, expiresSliding, expiressAbsoulte); } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> public bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (value == null) { throw new ArgumentNullException(nameof(value)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value, expiresIn, isSliding); } public void Dispose() { if (Cache != null) Cache.Dispose(); GC.SuppressFinalize(this); } }
描 述: RedisCache
public class RedisCacheService : ICacheService { public RedisCacheService(/*RedisCacheOptions options, int database = 0*/) //这里可以做成依赖注入,但没打算做成通用类库,所以直接把连接信息直接写在帮助类里 { RedisCacheOptions options = new RedisCacheOptions { Configuration = "127.0.0.1:6379", InstanceName = "RedisCacheService_u48H4GU583hyehdH43" }; //RedisConfig.Connection; // RedisConfig.InstanceName; ; //RedisConfig.DefaultDatabase; _connection = ConnectionMultiplexer.Connect(options.Configuration); Cache = _connection.GetDatabase(database); _instance = options.InstanceName; } protected IDatabase Cache; private readonly ConnectionMultiplexer _connection; private readonly string _instance; //public RedisCacheService(RedisCacheOptions options, int database = 0) //{ // _connection = ConnectionMultiplexer.Connect(options.Configuration); // Cache = _connection.GetDatabase(database); // _instance = options.InstanceName; //} public string GetKeyForRedis(string key) { return _instance + key; } /// <summary> /// 验证缓存项是否存在 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public bool Exists(string key) { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.KeyExists(GetKeyForRedis(key)); } /// <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)); } return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value))); } /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间,Redis中无效)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> public bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte) { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value)), expiressAbsoulte); } /// <summary> /// 添加缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间,Redis中无效)</param> /// <returns></returns> public bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false) { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value)), expiresIn); }/// <summary> /// 删除缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public bool Remove(string key) { if (key == null) { throw new ArgumentNullException(nameof(key)); } return Cache.KeyDelete(GetKeyForRedis(key)); } /// <summary> /// 批量删除缓存 /// </summary> /// <param name="key">缓存Key集合</param> /// <returns></returns> public void RemoveAll(IEnumerable<string> keys) { if (keys == null) { throw new ArgumentNullException(nameof(keys)); } keys.ToList().ForEach(item => Remove(GetKeyForRedis(item))); } /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public T Get<T>(string key) where T : class { if (key == null) { throw new ArgumentNullException(nameof(key)); } var value = Cache.StringGet(GetKeyForRedis(key)); if (!value.HasValue) { return default(T); } return JsonConvert.DeserializeObject<T>(value); } /// <summary> /// 获取缓存 /// </summary> /// <param name="key">缓存Key</param> /// <returns></returns> public object Get(string key) { if (key == null) { throw new ArgumentNullException(nameof(key)); } var value = Cache.StringGet(GetKeyForRedis(key)); if (!value.HasValue) { return null; } return JsonConvert.DeserializeObject(value); } /// <summary> /// 获取缓存集合 /// </summary> /// <param name="keys">缓存Key集合</param> /// <returns></returns> public IDictionary<string, object> GetAll(IEnumerable<string> keys) { if (keys == null) { throw new ArgumentNullException(nameof(keys)); } var dict = new Dictionary<string, object>(); keys.ToList().ForEach(item => dict.Add(item, Get(GetKeyForRedis(item)))); return dict; } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <returns></returns> public bool Replace(string key, object value) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value); } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresSliding">滑动过期时长(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <param name="expiressAbsoulte">绝对过期时长</param> /// <returns></returns> public bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value, expiresSliding, expiressAbsoulte); } /// <summary> /// 修改缓存 /// </summary> /// <param name="key">缓存Key</param> /// <param name="value">新的缓存Value</param> /// <param name="expiresIn">缓存时长</param> /// <param name="isSliding">是否滑动过期(如果在过期时间内有操作,则以当前时间点延长过期时间)</param> /// <returns></returns> public bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (Exists(key)) if (!Remove(key)) return false; return Add(key, value, expiresIn, isSliding); } public void Dispose() { if (_connection != null) _connection.Dispose(); GC.SuppressFinalize(this); } }
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