eWebeditor编辑器上传图片的设置程序

protected void Button1_Click(object sender, EventArgs e)
{
if (this.uploadfile.PostedFile.FileName.Equals(""))
{
return;
}
else
{
string _flag = Request["flag"];
string _regex = "";

switch (_flag)
{
case "img":
_regex = @"^.+\.(jpe?g|gif)$";
break;
case "flash":
_regex = @"^.+\.(swf)$";
break;
case "media":
_regex = @"^.+\.(wmv|avi|rmvb|mpeg|mov)$";
break;
case "file":
_regex = @"^.+\.(rar|zip|doc|pdf|txt)$";
break;
default:
_regex = @"^.+\.(jpe?g|gif|swf|wmv|avi|rmvb|mpeg|mov|rar|zip|doc|pdf|txt)$";
break;
}

Regex test = new Regex(_regex);

if (test.IsMatch(uploadfile.PostedFile.FileName) == true)
{
ClientScriptManager cs = Page.ClientScript;

string imagesfolder = ConfigurationManager.AppSettings["imagesfolder"].ToString();
string filename = Common.UpLoadFile(uploadfile, imagesfolder);
string apurl = Request.Url.ToString();
string apurl2 = Request.CurrentExecutionFilePath;
string tempurl = apurl.Substring(0, apurl.IndexOf(apurl2));
string appurl = Request.ApplicationPath;
string hurl;
if (appurl.Length == 1)
hurl = appurl + filename.Replace("~/", "");
else
hurl = "/" + filename.Replace("~/", "");
hurl = hurl.Replace("路径1", "路径2");
string imgpreview = tempurl + hurl;
imgpreview = imgpreview.Replace("路径1", "路径2");

cs.RegisterClientScriptBlock(this.GetType(), "tt", "parent.document.all('divProcessing').style.display='none';parent.document.all('d_width').value='550';parent.document.all('d_height').value='341';parent.document.all('imgPreview').src='" + imgpreview + "';parent.document.all('Hurl').value='" + hurl + "';parent.document.all('d_fromurl').value='';", true);

lblinfo.Text = "文件上传成功！<a href=\"\">重新上传</a>";
}
else
{
lblinfo.Text = "您上传的文件类型不正确！<a href=\"\">重新上传</a><script>parent.document.all('divProcessing').style.display='none';</script>";
}
}
}