文件下载解决中文乱码

       string path = "需要下载的文件路径";

               if (File.Exists(path))

               {

                   if (!".zip.rar.".Contains(Path.GetExtension(path) +"."))

                   {

                       Response.Write("不允许此类文件的下载！");

                       return;

                   }

                   string name = Path.GetFileName(path);

                   if (string.IsNullOrEmpty(name))

                   {

                       name = newFileInfo(path).Name;

                   }

                   Response.Clear();

                   if (Request.Browser.Browser =="IE")

                   {

                      name= HttpUtility.UrlPathEncode(name);

                   }

    

                   Response.AddHeader("Content-Disposition",

                                      "attachment;filename=\"" +name + "\"");

                   byte[] buffer =File.ReadAllBytes(path);

                   Response.AddHeader("Content-Length", buffer.Length.ToString());

                   Response.ContentType = "application/zip;charset=utf-8";

                   Response.BinaryWrite(buffer);

 

               }

               else

               {

                   Response.Write(string.Format("文件{0}不存在！", path));

               }

 

//另外需注意打开此页面时应使用window.location.href

而不用window.open,浏览器会拦截弹出窗口