wip: 🧠 初步的框架

src/backend/NetAdmin.Domain/Dto/Sys/Cache/CacheStatisticsRsp.cs

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+namespace NetAdmin.Domain.Dto.Sys.Cache;
+
+/// <summary>
+///     响应：缓存统计
+/// </summary>
+public sealed record CacheStatisticsRsp : DataAbstraction
+{
+    private static readonly Regex[] _regexes = {
+                                                   new(@"keyspace_hits:(\d+)", RegexOptions.Compiled)
+                                                 , new(@"keyspace_misses:(\d+)", RegexOptions.Compiled)
+                                                 , new(@"uptime_in_seconds:(\d+)", RegexOptions.Compiled)
+                                                 , new(@"used_cpu_sys:([\d\\.]+)", RegexOptions.Compiled)
+                                                 , new(@"used_cpu_user:([\d\\.]+)", RegexOptions.Compiled)
+                                                 , new(@"used_memory:(\d+)", RegexOptions.Compiled)
+                                                 , new("redis_version:(.+)", RegexOptions.Compiled)
+                                               };
+
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="CacheStatisticsRsp" /> class.
+    /// </summary>
+    public CacheStatisticsRsp() { }
+
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="CacheStatisticsRsp" /> class.
+    /// </summary>
+    public CacheStatisticsRsp(string redisResult)
+    {
+        KeyspaceHits   = _regexes[0].Match(redisResult).Groups[1].Value.Trim().Int64Try(0);
+        KeyspaceMisses = _regexes[1].Match(redisResult).Groups[1].Value.Trim().Int64Try(0);
+        UpTime         = _regexes[2].Match(redisResult).Groups[1].Value.Trim().Int64Try(0);
+        UsedCpu = _regexes[3].Match(redisResult).Groups[1].Value.Trim().DecTry(0) +
+                  _regexes[4].Match(redisResult).Groups[1].Value.Trim().DecTry(0);
+        UsedMemory = _regexes[5].Match(redisResult).Groups[1].Value.Trim().Int64Try(0);
+        Version    = _regexes[6].Match(redisResult).Groups[1].Value.Trim();
+    }
+
+    /// <summary>
+    ///     键总数
+    /// </summary>
+    public long DbSize { get; init; }
+
+    /// <summary>
+    ///     命中键的数量
+    /// </summary>
+    public long KeyspaceHits { get; init; }
+
+    /// <summary>
+    ///     未命中键的数量
+    /// </summary>
+    public long KeyspaceMisses { get; init; }
+
+    /// <summary>
+    ///     Redis运行时间（秒）
+    /// </summary>
+    public long UpTime { get; init; }
+
+    /// <summary>
+    ///     使用的CPU时间（秒）
+    /// </summary>
+    public decimal UsedCpu { get; init; }
+
+    /// <summary>
+    ///     使用的内存量（字节）
+    /// </summary>
+    public long UsedMemory { get; init; }
+
+    /// <summary>
+    ///     Redis版本号
+    /// </summary>
+    public string Version { get; init; }
+}

src/backend/NetAdmin.Domain/Dto/Sys/Cache/GetAllEntriesReq.cs

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+namespace NetAdmin.Domain.Dto.Sys.Cache;
+
+/// <summary>
+///     请求：获取所有缓存项
+/// </summary>
+public sealed record GetAllEntriesReq : DataAbstraction
+{
+    /// <summary>
+    ///     数据库索引号
+    /// </summary>
+    public uint DbIndex { get; init; }
+}

src/backend/NetAdmin.Domain/Dto/Sys/Cache/GetAllEntriesRsp.cs

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+namespace NetAdmin.Domain.Dto.Sys.Cache;
+
+/// <summary>
+///     响应：获取所有缓存项
+/// </summary>
+public sealed record GetAllEntriesRsp : DataAbstraction
+{
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="GetAllEntriesRsp" /> class.
+    /// </summary>
+    public GetAllEntriesRsp() { }
+
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="GetAllEntriesRsp" /> class.
+    /// </summary>
+    public GetAllEntriesRsp(long absExp, string key, long sldExp, string data)
+    {
+        AbsExp = absExp;
+        Key    = key;
+        SldExp = sldExp;
+        Data   = data;
+    }
+
+    /// <summary>
+    ///     绝对过期时间
+    /// </summary>
+    public long AbsExp { get; init; }
+
+    /// <summary>
+    ///     缓存值
+    /// </summary>
+    public string Data { get; init; }
+
+    /// <summary>
+    ///     缓存键
+    /// </summary>
+    public string Key { get; init; }
+
+    /// <summary>
+    ///     滑动过期时间
+    /// </summary>
+    public long SldExp { get; init; }
+}