dd

2024-05-08 17:17:11 +08:00
parent 0696f555b2
commit 2f1fca4df2
4528 changed files with 635638 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Web;
+using System.Web.Services;
+using System.Web.SessionState;
+using System.Drawing.Imaging;
+
+namespace FineUIPro.Web.Captcha
+{
+    /// <summary>
+    /// 生成验证码图片
+    /// </summary>
+    [WebService(Namespace = "http://tempuri.org/")]
+    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
+    public class captcha : IHttpHandler, IReadOnlySessionState
+    {
+
+        public void ProcessRequest(HttpContext context)
+        {
+            int width = 200;
+            int height = 30;
+
+            try
+            {
+                width = Convert.ToInt32(context.Request.QueryString["w"]);
+                height = Convert.ToInt32(context.Request.QueryString["h"]);
+            }
+            catch (Exception)
+            {
+                // Nothing
+            }
+
+            // 从 Session 中读取验证码，并创建图片
+            CaptchaImage.CaptchaImage ci = new CaptchaImage.CaptchaImage(context.Session["CaptchaImageText"].ToString(), width, height, "Consolas");
+
+            // 输出图片
+            context.Response.Clear();
+            context.Response.ContentType = "image/jpeg";
+
+            ci.Image.Save(context.Response.OutputStream, ImageFormat.Jpeg);
+
+            ci.Dispose();
+        }
+
+        public bool IsReusable
+        {
+            get
+            {
+                return false;
+            }
+        }
+    }
+}