添加工具类

Blog.Common/Blog.Common.csproj

@@ -33,6 +33,7 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -42,11 +43,10 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Class1.cs" />
+    <Compile Include="Consts\Constr.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Utils\CaptchaUtils.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Constants\" />
-    <Folder Include="Utils\" />
-  </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file

Blog.Common/Consts/Constr.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Blog.Common.Consts
+{
+    public class Constr
+    {
+    }
+}

Blog.Common/Utils/CaptchaUtils.cs

+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Blog.Common.Utils
+{
+   public class CaptchaUtils
+    {
+
+        /// <summary>
+        /// 创建验证码的图片
+        /// </summary>
+        public static byte[] CreateValidateGraphic(string validateCode)
+        {
+            Bitmap image = new Bitmap((int)Math.Ceiling(validateCode.Length * 16.0), 27);
+            Graphics g = Graphics.FromImage(image);
+            try
+            {
+                //生成随机生成器
+                Random random = new Random();
+                //清空图片背景色
+                g.Clear(Color.White);
+                //画图片的干扰线
+                for (int i = 0; i < 25; i++)
+                {
+                    int x1 = random.Next(image.Width);
+                    int x2 = random.Next(image.Width);
+                    int y1 = random.Next(image.Height);
+                    int y2 = random.Next(image.Height);
+                    g.DrawLine(new Pen(Color.Silver), x1, y1, x2, y2);
+                }
+                Font font = new Font("Arial", 13, (FontStyle.Bold | FontStyle.Italic));
+                LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height),
+                 Color.Blue, Color.DarkRed, 1.2f, true);
+                g.DrawString(validateCode, font, brush, 3, 2);
+                //画图片的前景干扰点
+                for (int i = 0; i < 100; i++)
+                {
+                    int x = random.Next(image.Width);
+                    int y = random.Next(image.Height);
+                    image.SetPixel(x, y, Color.FromArgb(random.Next()));
+                }
+                //画图片的边框线
+                g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
+                //保存图片数据
+                MemoryStream stream = new MemoryStream();
+                image.Save(stream, ImageFormat.Jpeg);
+                //输出图片流
+                return stream.ToArray();
+            }
+            finally
+            {
+                g.Dispose();
+                image.Dispose();
+            }
+        }
+        private static byte[] CreateImage(string checkCode)
+        {
+            int iwidth = (int)(checkCode.Length * 12);
+            System.Drawing.Bitmap image = new System.Drawing.Bitmap(iwidth, 20);
+            Graphics g = Graphics.FromImage(image);
+            Font f = new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold);
+            Brush b = new System.Drawing.SolidBrush(Color.White);
+            g.Clear(Color.Blue);
+            g.DrawString(checkCode, f, b, 3, 3);
+            Pen blackPen = new Pen(Color.Black, 0);
+            Random rand = new Random();
+            for (int i = 0; i < 5; i++)
+            {
+                int x1 = rand.Next(image.Width);
+                int x2 = rand.Next(image.Width);
+                int y1 = rand.Next(image.Height);
+                int y2 = rand.Next(image.Height);
+                g.DrawLine(new Pen(Color.Silver, 1), x1, y1, x2, y2);
+            }
+            System.IO.MemoryStream ms = new System.IO.MemoryStream();
+            image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
+            return ms.ToArray();
+        }
+
+        public static string CreateRandomCode(int codeCount)
+        {
+            string allChar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,W,X,Y,Z";
+            string[] allCharArray = allChar.Split(',');
+            string randomCode = "";
+            int temp = -1;
+            Random rand = new Random();
+            for (int i = 0; i < codeCount; i++)
+            {
+                if (temp != -1)
+                {
+                    rand = new Random(i * temp * ((int)DateTime.Now.Ticks));
+                }
+                int t = rand.Next(35);
+                if (temp == t)
+                {
+                    return CreateRandomCode(codeCount);
+                }
+                temp = t;
+                randomCode += allCharArray[t];
+            }
+            return randomCode;
+        }
+        
+    }
+}

Blog.Web/App_Start/AuthorizeFilter.cs

@@ -15,11 +15,18 @@ namespace Blog.Web.App_Start
             {
                 return;
             }
-
             if (filterContext.HttpContext.Session["user"] == null)
             {
-                filterContext.HttpContext.Response.Redirect("/gl/");
+                filterContext.HttpContext.Response.Redirect("/gl");
+                return;
             }
+
+            base.OnAuthorization(filterContext);
+        }
+
+        protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
+        {
+            filterContext.Result= new RedirectResult("~/gl");
         }
     }
 }
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Blog.Web/App_Start/RouteConfig.cs

@@ -13,7 +13,11 @@ namespace Blog.Web
         {
             routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
 
-
+           routes.MapRoute(
+                name: "Article",
+                url: "Article/{action}/{id}",
+                defaults: new { controller = "Article", action = "Index", id = UrlParameter.Optional }
+            );
             routes.MapRoute(
                 name: "gl",
                 url: "gl/{action}/{id}",

Blog.Web/Controllers/MangerController.cs

@@ -8,10 +8,13 @@ namespace Blog.Web.Controllers
 {
     public class MangerController : Controller
     {
+        [AllowAnonymous]
         // GET: Manger
         public ActionResult Index()
         {
             return View();
         }
+
+
     }
 }
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