419 lines
14 KiB
C#
419 lines
14 KiB
C#
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// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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using NewLife.Reflection;
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using Newtonsoft.Json;
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namespace Admin.NET.Core.Service;
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/// <summary>
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/// 系统缓存服务 🧩
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/// </summary>
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[ApiDescriptionSettings(Order = 400, Description = "系统缓存")]
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public class SysCacheService : IDynamicApiController, ISingleton
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{
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private static ICacheProvider _cacheProvider;
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private readonly CacheOptions _cacheOptions;
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public SysCacheService(ICacheProvider cacheProvider, IOptions<CacheOptions> cacheOptions)
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{
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_cacheProvider = cacheProvider;
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_cacheOptions = cacheOptions.Value;
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}
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/// <summary>
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/// 申请分布式锁
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/// </summary>
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/// <param name="key">要锁定的key</param>
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/// <param name="msTimeout">申请锁等待的时间，单位毫秒</param>
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/// <param name="msExpire">锁过期时间，超过该时间没有主动是放则自动是放，必须整数秒，单位毫秒</param>
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/// <param name="throwOnFailure">失败时是否抛出异常,如不抛出异常，可通过判断返回null得知申请锁失败</param>
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/// <returns></returns>
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[DisplayName("申请分布式锁")]
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public IDisposable? BeginCacheLock(string key, int msTimeout = 500, int msExpire = 10000, bool throwOnFailure = true)
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{
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try
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{
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return _cacheProvider.Cache.AcquireLock(key, msTimeout, msExpire, throwOnFailure);
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}
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catch
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{
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return null;
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}
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}
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/// <summary>
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/// 获取缓存键名集合 🔖
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/// </summary>
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/// <returns></returns>
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[DisplayName("获取缓存键名集合")]
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public List<string> GetKeyList()
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{
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return _cacheProvider.Cache == Cache.Default
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? _cacheProvider.Cache.Keys.Where(u => u.StartsWith(_cacheOptions.Prefix)).Select(u => u[_cacheOptions.Prefix.Length..]).OrderBy(u => u).ToList()
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: ((FullRedis)_cacheProvider.Cache).Search($"{_cacheOptions.Prefix}*", int.MaxValue).Select(u => u[_cacheOptions.Prefix.Length..]).OrderBy(u => u).ToList();
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}
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/// <summary>
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/// 增加缓存
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/// </summary>
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/// <param name="key"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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[NonAction]
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public bool Set(string key, object value)
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{
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if (string.IsNullOrWhiteSpace(key)) return false;
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return _cacheProvider.Cache.Set($"{_cacheOptions.Prefix}{key}", value);
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}
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/// <summary>
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/// 增加缓存并设置过期时间
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/// </summary>
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/// <param name="key"></param>
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/// <param name="value"></param>
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/// <param name="expire"></param>
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/// <returns></returns>
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[NonAction]
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public bool Set(string key, object value, TimeSpan expire)
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{
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if (string.IsNullOrWhiteSpace(key)) return false;
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return _cacheProvider.Cache.Set($"{_cacheOptions.Prefix}{key}", value, expire);
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}
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public async Task<TR> AdGetAsync<TR>(String cacheName, Func<Task<TR>> del, TimeSpan? expiry = default(TimeSpan?)) where TR : class
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{
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return await AdGetAsync<TR>(cacheName, del, new object[] { }, expiry);
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}
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public async Task<TR> AdGetAsync<TR, T1>(String cacheName, Func<T1, Task<TR>> del, T1 t1, TimeSpan? expiry = default(TimeSpan?)) where TR : class
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{
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return await AdGetAsync<TR>(cacheName, del, new object[] { t1 }, expiry);
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}
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public async Task<TR> AdGetAsync<TR, T1, T2>(String cacheName, Func<T1, T2, Task<TR>> del, T1 t1, T2 t2, TimeSpan? expiry = default(TimeSpan?)) where TR : class
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{
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return await AdGetAsync<TR>(cacheName, del, new object[] { t1, t2 }, expiry);
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}
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public async Task<TR> AdGetAsync<TR, T1, T2, T3>(String cacheName, Func<T1, T2, T3, Task<TR>> del, T1 t1, T2 t2, T3 t3, TimeSpan? expiry = default(TimeSpan?)) where TR : class
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{
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return await AdGetAsync<TR>(cacheName, del, new object[] { t1, t2, t3 }, expiry);
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}
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private async Task<T> AdGetAsync<T>(string cacheName, Delegate del, Object[] obs, TimeSpan? expiry) where T : class
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{
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var key = Key(cacheName, obs);
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// 使用分布式锁
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using (_cacheProvider.Cache.AcquireLock($@"lock:AdGetAsync:{cacheName}", 1000))
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{
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var value = Get<T>(key);
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value ??= await ((dynamic)del).DynamicInvokeAsync(obs);
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Set(key, value);
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return value;
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}
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}
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public T Get<T>(String cacheName, object t1)
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{
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return Get<T>(cacheName, new object[] { t1 });
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}
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public T Get<T>(String cacheName, object t1, object t2)
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{
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return Get<T>(cacheName, new object[] { t1, t2 });
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}
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public T Get<T>(String cacheName, object t1, object t2, object t3)
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{
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return Get<T>(cacheName, new object[] { t1, t2, t3 });
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}
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private T Get<T>(String cacheName, Object[] obs)
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{
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var key = cacheName + ":" + obs.Aggregate(string.Empty, (current, o) => current + $"<{o}>");
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return Get<T>(key);
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}
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private static string Key(string cacheName, object[] obs)
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{
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foreach (var obj in obs)
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{
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if (obj is TimeSpan)
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{
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throw new Exception("缓存参数类型不能能是:TimeSpan类型");
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}
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}
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StringBuilder sb = new StringBuilder(cacheName + ":");
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foreach (var a in obs)
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{
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sb.Append($@"<{KeySingle(a)}>");
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}
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return sb.ToString();
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}
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public static string KeySingle(object t)
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{
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if (t.GetType().IsClass && !t.GetType().IsPrimitive)
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{
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return JsonConvert.SerializeObject(t);
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}
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return t?.ToString();
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}
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/// <summary>
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/// 获取缓存的剩余生存时间
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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[NonAction]
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public TimeSpan GetExpire(string key)
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{
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return _cacheProvider.Cache.GetExpire(key);
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}
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/// <summary>
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/// 获取缓存
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <returns></returns>
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[NonAction]
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public T Get<T>(string key)
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{
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return _cacheProvider.Cache.Get<T>($"{_cacheOptions.Prefix}{key}");
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}
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/// <summary>
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/// 删除缓存 🔖
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "Delete"), HttpPost]
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[DisplayName("删除缓存")]
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public int Remove(string key)
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{
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return _cacheProvider.Cache.Remove($"{_cacheOptions.Prefix}{key}");
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}
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/// <summary>
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/// 清空所有缓存 🔖
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/// </summary>
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/// <returns></returns>
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[DisplayName("清空所有缓存")]
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[ApiDescriptionSettings(Name = "Clear"), HttpPost]
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public void Clear()
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{
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_cacheProvider.Cache.Clear();
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Cache.Default.Clear();
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}
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/// <summary>
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/// 检查缓存是否存在
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/// </summary>
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/// <param name="key">键</param>
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/// <returns></returns>
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[NonAction]
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public bool ExistKey(string key)
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{
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return _cacheProvider.Cache.ContainsKey($"{_cacheOptions.Prefix}{key}");
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}
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/// <summary>
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/// 根据键名前缀删除缓存 🔖
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/// </summary>
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/// <param name="prefixKey">键名前缀</param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "DeleteByPreKey"), HttpPost]
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[DisplayName("根据键名前缀删除缓存")]
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public int RemoveByPrefixKey(string prefixKey)
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{
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var delKeys = _cacheProvider.Cache == Cache.Default
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? _cacheProvider.Cache.Keys.Where(u => u.StartsWith($"{_cacheOptions.Prefix}{prefixKey}")).ToArray()
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: ((FullRedis)_cacheProvider.Cache).Search($"{_cacheOptions.Prefix}{prefixKey}*", int.MaxValue).ToArray();
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return _cacheProvider.Cache.Remove(delKeys);
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}
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/// <summary>
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/// 根据键名前缀获取键名集合 🔖
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/// </summary>
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/// <param name="prefixKey">键名前缀</param>
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/// <returns></returns>
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[DisplayName("根据键名前缀获取键名集合")]
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public List<string> GetKeysByPrefixKey(string prefixKey)
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{
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return _cacheProvider.Cache == Cache.Default
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? _cacheProvider.Cache.Keys.Where(u => u.StartsWith($"{_cacheOptions.Prefix}{prefixKey}")).Select(u => u[_cacheOptions.Prefix.Length..]).ToList()
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: ((FullRedis)_cacheProvider.Cache).Search($"{_cacheOptions.Prefix}{prefixKey}*", int.MaxValue).Select(u => u[_cacheOptions.Prefix.Length..]).ToList();
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}
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/// <summary>
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/// 获取缓存值 🔖
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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[DisplayName("获取缓存值")]
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public object GetValue(string key)
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{
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// 若Key经过URL编码则进行解码
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if (Regex.IsMatch(key, @"%[0-9a-fA-F]{2}"))
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key = HttpUtility.UrlDecode(key);
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return _cacheProvider.Cache == Cache.Default
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? _cacheProvider.Cache.Get<object>($"{_cacheOptions.Prefix}{key}")
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: _cacheProvider.Cache.Get<string>($"{_cacheOptions.Prefix}{key}");
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}
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/// <summary>
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/// 获取或添加缓存（在数据不存在时执行委托请求数据）
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <param name="callback"></param>
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/// <param name="expire">过期时间，单位秒</param>
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/// <returns></returns>
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[NonAction]
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public T GetOrAdd<T>(string key, Func<string, T> callback, int expire = -1)
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{
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if (string.IsNullOrWhiteSpace(key)) return default;
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return _cacheProvider.Cache.GetOrAdd($"{_cacheOptions.Prefix}{key}", callback, expire);
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}
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/// <summary>
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/// Hash匹配
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <returns></returns>
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[NonAction]
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public IDictionary<String, T> GetHashMap<T>(string key)
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{
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return _cacheProvider.Cache.GetDictionary<T>(key);
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}
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/// <summary>
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/// 批量添加HASH
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <param name="dic"></param>
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/// <returns></returns>
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[NonAction]
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public bool HashSet<T>(string key, Dictionary<string, T> dic)
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{
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var hash = GetHashMap<T>(key);
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foreach (var v in dic)
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{
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hash.Add(v);
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}
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return true;
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}
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/// <summary>
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/// 添加一条HASH
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <param name="hashKey"></param>
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/// <param name="value"></param>
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[NonAction]
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public void HashAdd<T>(string key, string hashKey, T value)
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{
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var hash = GetHashMap<T>(key);
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hash.Add(hashKey, value);
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}
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/// <summary>
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/// 获取多条HASH
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <param name="fields"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
[NonAction]
|
|||
|
|
public List<T> HashGet<T>(string key, params string[] fields)
|
|||
|
|
{
|
|||
|
|
var hash = GetHashMap<T>(key);
|
|||
|
|
return hash.Where(t => fields.Any(c => t.Key == c)).Select(t => t.Value).ToList();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取一条HASH
|
|||
|
|
/// </summary>
|
|||
|
|
/// <typeparam name="T"></typeparam>
|
|||
|
|
/// <param name="key"></param>
|
|||
|
|
/// <param name="field"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
[NonAction]
|
|||
|
|
public T HashGetOne<T>(string key, string field)
|
|||
|
|
{
|
|||
|
|
var hash = GetHashMap<T>(key);
|
|||
|
|
var value = hash.GetValue(field);
|
|||
|
|
if (value == null)
|
|||
|
|
{
|
|||
|
|
return default(T);
|
|||
|
|
}
|
|||
|
|
return (T)hash.GetValue(field);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 根据KEY获取所有HASH
|
|||
|
|
/// </summary>
|
|||
|
|
/// <typeparam name="T"></typeparam>
|
|||
|
|
/// <param name="key"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
[NonAction]
|
|||
|
|
public IDictionary<string, T> HashGetAll<T>(string key)
|
|||
|
|
{
|
|||
|
|
var hash = GetHashMap<T>(key);
|
|||
|
|
return hash;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除HASH
|
|||
|
|
/// </summary>
|
|||
|
|
/// <typeparam name="T"></typeparam>
|
|||
|
|
/// <param name="key"></param>
|
|||
|
|
/// <param name="fields"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
[NonAction]
|
|||
|
|
public int HashDel<T>(string key, params string[] fields)
|
|||
|
|
{
|
|||
|
|
var hash = GetHashMap<T>(key);
|
|||
|
|
fields.ToList().ForEach(t => hash.Remove(t));
|
|||
|
|
return fields.Length;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
///// <summary>
|
|||
|
|
///// 搜索HASH
|
|||
|
|
///// </summary>
|
|||
|
|
///// <typeparam name="T"></typeparam>
|
|||
|
|
///// <param name="key"></param>
|
|||
|
|
///// <param name="searchModel"></param>
|
|||
|
|
///// <returns></returns>
|
|||
|
|
//[NonAction]
|
|||
|
|
//public List<KeyValuePair<string, T>> HashSearch<T>(string key, SearchModel searchModel)
|
|||
|
|
//{
|
|||
|
|
// var hash = GetHashMap<T>(key);
|
|||
|
|
// return hash.Search(searchModel).ToList();
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
///// <summary>
|
|||
|
|
///// 搜索HASH
|
|||
|
|
///// </summary>
|
|||
|
|
///// <typeparam name="T"></typeparam>
|
|||
|
|
///// <param name="key"></param>
|
|||
|
|
///// <param name="pattern"></param>
|
|||
|
|
///// <param name="count"></param>
|
|||
|
|
///// <returns></returns>
|
|||
|
|
//[NonAction]
|
|||
|
|
//public List<KeyValuePair<string, T>> HashSearch<T>(string key, string pattern, int count)
|
|||
|
|
//{
|
|||
|
|
// var hash = GetHashMap<T>(key);
|
|||
|
|
// return hash.Search(pattern, count).ToList();
|
|||
|
|
//}
|
|||
|
|
}
|