增加 RedirectResult

Apewer/Web/RedirectResult.cs

@@ -0,0 +1,29 @@
+using System;
+
+namespace Apewer.Web
+{
+
+    /// <summary>请求资源的 URL 已永久更改。在响应中给出了新的 URL。</summary>
+    public sealed class RedirectResult : HeadResult
+    {
+
+        /// <summary>新的 URL。</summary>
+        public string Location { get; private set; }
+
+        /// <summary>重定向结果。</summary>
+        /// <exception cref="ArgumentNullException" />
+        public RedirectResult(string location) : base(302)
+        {
+            if (location.IsEmpty()) throw new ArgumentNullException(nameof(location));
+            Headers.Add("Location", location);
+        }
+
+        /// <summary>执行。</summary>
+        public override void ExecuteResult(ApiContext context)
+        {
+            context.Provider.SetRedirect(Location);
+        }
+
+    }
+
+}