整理分页支持，统一使用请求PageData对象和返回PageResult对象，并且在ApiResult中增加Paging属性表示分页结果。

Falcon.SugarApi/ApiDefinistions/ApiResult.cs

@@ -19,6 +19,10 @@ namespace Falcon.SugarApi.ApiDefinistions
         [JsonPropertyName("msg")]
         public string Msg { get; set; }
         /// <summary>
+        /// 分页结果。如果为null则为未分页
+        /// </summary>
+        public PageResult? Paging { get; set; }
+        /// <summary>
         /// 携带数据
         /// </summary>
         [JsonPropertyName("data")]

Falcon.SugarApi/ApiDefinistions/PageData.cs

@@ -6,9 +6,9 @@
     public class PageData
     {
         /// <summary>
-        /// 页号码
+        /// 页号码。从1开始
         /// </summary>
-        public int Page { get; set; } = 0;
+        public int Page { get; set; } = 1;
         /// <summary>
         /// 页大小
         /// </summary>

Falcon.SugarApi/ApiDefinistions/PageResult.cs

@@ -0,0 +1,21 @@
+namespace Falcon.SugarApi.ApiDefinistions
+{
+    /// <summary>
+    /// 数据分页结果
+    /// </summary>
+    public class PageResult {
+        /// <summary>
+        /// 页号码。从1开始
+        /// </summary>
+        public int Page { get; set; } = 1;
+        /// <summary>
+        /// 页大小
+        /// </summary>
+        public int PageSize { get; set; } = 50;
+        /// <summary>
+        /// 总数据数
+        /// </summary>
+        public int Count { get; set; } = 0;
+
+    }
+}

Falcon.SugarApi/DatabaseDefinitions/Paging.cs

@@ -1,17 +0,0 @@
-namespace Falcon.SugarApi.DatabaseDefinitions
-{
-    /// <summary>
-    /// 对数据进行分页
-    /// </summary>
-    public class Paging
-    {
-        /// <summary>
-        /// 每页大小
-        /// </summary>
-        public int PageSize { get; set; } = 100;
-        /// <summary>
-        /// 第几页。页码从1开始
-        /// </summary>
-        public int PageNo { get; set; } = 1;
-    }
-}