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ASP.NET使aspx页面能接受HTML,asp的页面传送的文件

王朝asp·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

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 don't 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("\"", "\\\"") + "\") ;\n");

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

{

maxSize = Convert.ToInt64(root.GetElementsByTagName("maxSize").Item(0).InnerText.Trim());

}

catch { maxSize = 10*1024; }

}

protected void Page_Load(object sender, EventArgs e)

{

string[] allowedExt = new string[] { }, denyedExt = new string[] { };

string savePath = String.Empty;

long maxSize = 10000;

string type = Request

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