添加项目文件。

IM.Commons/IRedisService.cs

@@ -0,0 +1,38 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IM.Commons
+{
+    public interface IRedisService
+    {
+        /// <summary>
+        /// 设置缓存
+        /// </summary>
+        /// <typeparam name="T">缓存对象类型</typeparam>
+        /// <param name="key">缓存索引值</param>
+        /// <param name="value">要缓存的对象</param>
+        /// <param name="expiration">过期时间</param>
+        /// <returns></returns>
+        Task SetAsync<T>(string key, T value, TimeSpan? expiration = null);
+        /// <summary>
+        /// 获取缓存
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="key">缓存索引</param>
+        /// <returns></returns>
+        Task<T?> GetAsync<T>(string key);
+        /// <summary>
+        /// 删除缓存
+        /// </summary>
+        /// <param name="key">缓存索引</param>
+        /// <returns></returns>
+        Task RemoveAsync(string key);
+    }
+
+    public static class RedisServiceExtension
+    {
+        public static IServiceCollection AddRedisCache(this IServiceCollection services)
+        {
+            return services.AddScoped<IRedisService, RedisCacheService>();
+        }
+    }
+}