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多文件上傳與簡單操作文件上傳實例(文件上傳,

系統(tǒng) 1998 0

一.多 文件上傳 【客戶端處理腳本的例子】

<! 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=
" 總共有 < b > " +(mFile.children.length-1)+ " </ b > 個文件等待上傳 "
}

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,宋體;
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,宋體;
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>總共有<b>0</b>個文件等待上傳</div>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
后臺代碼:CS

二. 簡單操作 文件上傳 實例( 文件上傳 ,自動重命名,自動添加文件夾)

前臺代碼: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 > 無標題頁 </ 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))
... { // 自動生成文件夾
System.IO.Directory.CreateDirectory(imgpath + folder);
}


Randommyrdn
= new Random(); // 產(chǎn)生隨機數(shù)
// 日期,時間,隨機數(shù)和后綴名
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>存儲文件名: " + newfilename + " <br>文件大小 " + size + " <br>文件類型 " + type2 + " <br>文件后綴 " + type + " <br>文件虛擬路徑 " + wpath;
}

else
... {
if ( ! System.IO.Directory.Exists(filepath + folder))
... { // 自動生成文件夾
System.IO.Directory.CreateDirectory(filepath + folder);
}


Randommyrdn
= new Random(); // 產(chǎn)生隨機數(shù)
// 日期,時間,隨機數(shù)和后綴名
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;

Image1.Visible
= false ;
string wpath = " Upfile/ " + folder + newfilename;
FileUpload1.SaveAs(filepath
+ folder + " / " + newfilename);
Label1.Text
= " 原始文件名 " + filename + " <br>存儲文件名: " + newfilename + " <br>文件大小 " + size + " <br>文件類型 " + type2 + " <br>文件后綴 " + type + " <br>文件虛擬路徑 " + wpath;
}

}

}

多文件上傳與簡單操作文件上傳實例(文件上傳,自動重命名,自動添加文件夾)


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