添加项目文件。

IM.Commons/RedisCacheService.cs

@@ -0,0 +1,34 @@
+using Microsoft.Extensions.Caching.Distributed;
+using System.Text.Json;
+
+namespace IM.Commons
+{
+    public class RedisCacheService : IRedisService
+    {
+        private readonly IDistributedCache _cache;
+        public RedisCacheService(IDistributedCache cache)
+        {
+            _cache = cache;
+        }
+
+        public async Task<T?> GetAsync<T>(string key)
+        {
+            var valueBytes = await _cache.GetAsync(key);
+            if (valueBytes is null || valueBytes.Length == 0) return default;
+            return JsonSerializer.Deserialize<T>(valueBytes);
+        }
+
+        public async Task RemoveAsync(string key) => await _cache.RemoveAsync(key);
+
+        public async Task SetAsync<T>(string key, T value, TimeSpan? expiration = null)
+        {
+            var options = new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = expiration ?? TimeSpan.FromHours(1)
+            };
+            var valueBytes = JsonSerializer.SerializeToUtf8Bytes(value);
+            await _cache.SetAsync(key, valueBytes, options);
+        }
+
+    }
+}