多文件上传与简单操作文件上传实例（文件上传，

一.多文件上传【客户端处理脚本的例子】

<! DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.0Transitional//EN" >

< HTML >

< HEAD >

< meta http-equiv ="Content-Language" content ="zh-cn" >

< script >

function mCreateFile(obj) {

var eF

var mName

mFileName.innerHTML = ""

if (obj.id == " File " ) {

for (i = 0 ;i < mFile.children.length - 1 ;i ++ )

{

if (mFile.children[i].value == "" ) {

mFile.removeChild(mFile.children[i])

}

else

{

mName = mFile.children[i].value.split( " ")

mFileName.innerHTML+= " < divid = NameDetailtitle = ' "+mName[mName.length-1]+" ' > " +mName[mName.length-1]+ " </ div > "

}

mstatus.innerHTML= " 总共有 < b > " +(mFile.children.length-1)+ " </ b > 个文件等待上传 "

}

if(obj.id== " File_New " ){

eF=document.createElement('<inputtype= " file " name= " File " size= " 23 " id=File_Newonpropertychange= " mCreateFile( this ) " >')

mFile.appendChild(eF)

obj.id= " File "

}

</script>

<style>

table{

FILTER:progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3);

}

input{

border:1pxsoild#000000;

font-family:Verdana,Arial,宋体;

font-size:12px;

padding:2px;

}

#mTD{

LINE-HEIGHT:24px;

}

#mFile{

width:203px;

float:left;

#mFileName{

float:right;

width:182px;

}

#NameDetail{

overflow:hidden;

width:176px;

color:#000000;

font-family:Verdana,Arial,宋体;

font-size:12px;

cursor:default;

height:22px;

}

#mstatus{

font-size:12px;

color:#ff0000;

}

</style>

</head>

<body>

<formname=frmmethod=post>

<divalign= " center " >

<tableborder= " 1 " width= " 420 " style= " border - collapse:collapse " bordercolor= " #0066cc " cellpadding= " 4 " bgcolor= " #D0F0FF " >

<tr>

<tdbgcolor= " #3399FF " height= " 26 " align= " center " ><fontcolor= " #FFFFFF " size= " 3 " ><b>添加附件</b></font></td>

</tr>

<tr>

<tdid=mTD>

<divid=mFile><inputtype= " file " name= " File " size= " 23 " id=File_Newonpropertychange= " mCreateFile( this ) " ></div>

<divid=mFileName></div>

<divid=mstatus>总共有<b>0</b>个文件等待上传</div>

</td>

</tr>

</table>

</div>

</form>

</body>

</html> 后台代码：CS

二. 简单操作 文件上传实例（文件上传，自动重命名，自动添加文件夹）

前台代码：ASPX

<% @PageLanguage = " C# " AutoEventWireup = " true " CodeFile = " Default.aspx.cs " Inherits = " Album_Default " %>

<! DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >

< html xmlns ="http://www.w3.org/1999/xhtml" >

< head runat ="server" >

< title > 无标题页 </ title >

</ head >

< body >

< form id ="form1" runat ="server" >

< div >

< asp:FileUpload ID ="FileUpload1" runat ="server" />

< asp:Button ID ="Button1" runat ="server" OnClick ="Button1_Click" Text ="Button" />< br />

< asp:Image ID ="Image1" runat ="server" Height ="100px" />< br />

< asp:Label ID ="Label1" runat ="server" ></ asp:Label ></ div >

</ form >

</ body >

</ html >

using System;

using System.Data;

using System.Configuration;

using System.Collections;

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;

public partial class Album_Default:System.Web.UI.Page

{

protected void Page_Load( object sender,EventArgse)

{

Image1.Visible = false ;

}

protected void Button1_Click( object sender,EventArgse)

{

string filename = FileUpload1.FileName;

string size = FileUpload1.PostedFile.ContentLength.ToString();

string []myfile = filename.Split( ' . ' );

string dotname = myfile[myfile.Length - 1 ].ToString().ToLower();

string type = FileUpload1.PostedFile.ContentType;

string type2 = filename.Substring(filename.LastIndexOf( " . " ) + 1 );

string imgpath = Server.MapPath( " ~/Upimg " ) + " / " ;

string filepath = Server.MapPath( " ~/Upfile " ) + " / " ;

string folder = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString();

if (type2 == " jpg " || type2 == " gif " )

{

Image1.Visible = true ;

if ( ! System.IO.Directory.Exists(imgpath + folder))

{ // 自动生成文件夹

System.IO.Directory.CreateDirectory(imgpath + folder);

}

Randommyrdn = new Random(); // 产生随机数

// 日期，时间，随机数和后缀名

string newfilename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + myrdn.Next( 10000 ).ToString() + " . " + dotname;

FileUpload1.SaveAs(imgpath + folder + " / " + newfilename);

string wpath = " ~/Upimg/ " + folder + " / " + newfilename;

Image1.ImageUrl = wpath;

// FileUpload1.SaveAs(ipath);

Label1.Text = " 原始文件名 " + filename + " <br>存储文件名： " + newfilename + " <br>文件大小 " + size + " <br>文件类型 " + type2 + " <br>文件后缀 " + type + " <br>文件虚拟路径 " + wpath;

}

else

{

if ( ! System.IO.Directory.Exists(filepath + folder))

{ // 自动生成文件夹

System.IO.Directory.CreateDirectory(filepath + folder);

}

Randommyrdn = new Random(); // 产生随机数

// 日期，时间，随机数和后缀名

Image1.Visible = false ;

string wpath = " Upfile/ " + folder + newfilename;

FileUpload1.SaveAs(filepath + folder + " / " + newfilename);

}

多文件上传与简单操作文件上传实例（文件上传，自动重命名，自动添加文件夹)

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