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Mtxfw.Utility/Error.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+
+namespace Mtxfw.Utility
+{
+    /// <summary>
+    /// 自定义异常显示 by Telesa 2011.04.06
+    /// </summary>
+    public class Error
+    {
+        private string _path = System.Web.HttpContext.Current.Server.MapPath("ErrorTemplate.htm");
+        private string isError;
+        private Exception _exc;
+
+        public Error(Exception ex)
+        {
+            //读取Web.Config的设置 true 则开启
+            isError = System.Configuration.ConfigurationManager.AppSettings["Error"];
+            _exc = ex;
+        }
+
+        /// <summary>
+        /// 读取自定义异常的页面模板
+        /// </summary>
+        /// <returns></returns>
+        private string Reader()
+        {
+            string str = string.Empty;
+            try
+            {
+                if (File.Exists(_path))
+                {
+                    StreamReader sr = new StreamReader(_path, Encoding.GetEncoding("gb2312"));
+                    str = sr.ReadToEnd();
+                    sr.Close();
+                    sr.Dispose();
+                }
+            }
+            catch (Exception ex)
+            {
+                str = ex.Message;
+            }
+
+            return str;
+        }
+
+        /// <summary>
+        /// 将异常信息写入到自定义页面
+        /// </summary>
+        public void Write()
+        {
+            if (isError.ToLower() == "true")
+            {
+                string str = Reader();
+                if (str!=string.Empty)
+                {
+                    str = str.Replace("$Message$", _exc.Message);
+                    System.Web.HttpContext.Current.Response.Write(str);
+                    System.Web.HttpContext.Current.Response.End();
+                    System.Web.HttpContext.Current.Server.ClearError();
+                }
+            }
+        }
+    }
+}