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"> </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"> </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"> </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.QueryString["Type"];
if(type!=null&&type!=string.Empty)
type=type.ToLower();
else
type="file";
if (type == "image")
{
GetConfig("image", out allowedExt, out denyedExt, out savePath,out maxSize);
}
if (type == "file")
{
GetConfig("file", out allowedExt, out denyedExt, out savePath, out maxSize);
}
if (type == "flash")
{
GetConfig("flash", out allowedExt, out denyedExt, out savePath, out maxSize);
}
if (savePath == string.Empty savePath=="")
savePath = "~/UserFiles/";
if(!savePath.EndsWith("/"))savePath+="/";
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