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使aspx页面能接受HTML,asp的页面传送的文件
2006-07-14 07:04:30           
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 aspx接受aspx页面的文件很简单,用HtmlInputFile,就可以了,但是如果接受Html页面post的文件
就不怎么好办了,我仿照asp的方法做法如下,自己测试通过,拿出来给大家共享,可以限制
文件内容,类型,大小,自定义存储位置,在congfig.xml内
html页的内容:(来自FCKeditor)
<html>
 <head>
  <title>FCKeditor - Uploaders Tests</title>
  <script language="javascript">

function SendFile()
{
 var sUploaderUrl = cmbUploaderUrl.value ;
 
 if ( sUploaderUrl.length == 0 )
  sUploaderUrl = txtCustomUrl.value ;
 
 if ( sUploaderUrl.length == 0 )
 {
  alert( Please provide your custom URL or select a default one ) ;
  return ;
 }
 
 eURL.innerHTML = sUploaderUrl ;
 txtUrl.value = ;
 
 frmUpload.action = sUploaderUrl ;
 frmUpload.submit() ;
}

function OnUploadCompleted( errorNumber, fileUrl, fileName, customMsg )
{
 switch ( errorNumber )
 {
  case 0 : // No errors
   txtUrl.value = fileUrl ;
   alert( File uploaded with no errors ) ;
   break ;
  case 1 : // Custom error
   alert( customMsg ) ;
   break ;
  case 10 : // Custom warning
   txtUrl.value = fileUrl ;
   alert( customMsg ) ;
   break ;
  case 201 :
   txtUrl.value = fileUrl ;
   alert( A file with the same name is already available. The uploaded file has been renamed to " + fileName + " ) ;
   break ;
  case 202 :
   alert( Invalid file ) ;
   break ;
  case 203 :
   alert( "Security error. You probably dont have enough permissions to upload. Please check your server." ) ;
   break ;
  default :
   alert( Error on file upload. Error number: + errorNumber ) ;
   break ;
 }
}

  </script>
 </head>
 <body>
  <table cellSpacing="0" cellPadding="0" width="100%" border="0" height="100%">
   <tr>
    <td>
     <table cellSpacing="0" cellPadding="0" width="100%" border="0">
      <tr>
       <td nowrap style="height: 43px">
        Select the "File Uploader" to use:<br>
        <select id="cmbUploaderUrl" name="Select1">
         <option selected value="asp/upload.asp">ASP</option>
         <option value="php/upload.php">PHP</option>
         <option value="Upload.aspx?type=image">aspx</option>
        </select>
       </td>
       <td nowrap style="height: 43px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
       <td width="100%" style="height: 43px">
        Custom Uploader URL:<BR>
        <input id="txtCustomUrl" style="WIDTH: 100%; BACKGROUND-COLOR: #dcdcdc" disabled type="text">
       </td>
      </tr>
     </table>
     <br>
     <table cellSpacing="0" cellPadding="0" width="100%" border="0">
      <tr>
       <td noWrap>
        <form id="frmUpload" target="UploadWindow" enctype="multipart/form-data" action="" method="post">
         Upload a new file:<br>
         <input type="file" name="NewFile"><br>
         <input type="button" value="Send it to the Server" onclick="SendFile();">
        </form>
       </td>
       <td style="WIDTH: 16px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
       <td vAlign="top" width="100%">
        Uploaded File URL:<br>
        <INPUT id="txtUrl" style="WIDTH: 100%" readonly type="text">
       </td>
      </tr>
     </table>
     <br>
     Post URL: <span id="eURL">&nbsp;</span>
    </td>
   </tr>
   <tr>
    <td height="100%">
     <iframe name="UploadWindow" width="100%" height="100%"></iframe>
    </td>
   </tr>
  </table>
 </body>
</html>
upload.aspx的内容:
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Upload.aspx.cs" Inherits="Upload"%>
下面是后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.IO;
using System.Text;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;
using System.Collections.Specialized;
public partial class Upload : System.Web.UI.Page
{
 public void SendResults(int errorNumber, string fileUrl, string fileName, string customMsg)
 {
  StringBuilder text = new StringBuilder();
  text.Append("<script type="text/javascript">");
  text.Append("window.parent.OnUploadCompleted(" + errorNumber + ","" + fileUrl.Replace(""", "\"") + "","" + fileName.Replace(""", "\"") + "","" + customMsg.Replace(""", "\"") + "") ; ");
  text.Append(" </script>");
  Response.Write(text.ToString());
  Response.End();
 }
 public void GetConfig(string type, out string[] allowedExt, out string[] denyedExt,out string savePath,out long maxSize)
 {
   XmlDocument doc = new XmlDocument();
   doc.Load(Server.MapPath(@".Config.xml"));
   XmlElement root=doc.DocumentElement;
   XmlNodeList imageNodelist=root.GetElementsByTagName(type);
   allowedExt = imageNodelist[0].FirstChild.InnerText.Trim().Split(|);
   denyedExt = imageNodelist[0].LastChild.InnerText.Trim().Split(|);
   savePath = root.GetElementsByTagName("userPath").Item(0).InnerText.Trim();
   try
  &nbs

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