The foreground code is as follows:
Copy Code code as follows:
<% @ Page language= "C #" codefile= "UploadImg.aspx.cs" inherits= "netadmin_apicture_uploadimg"%>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<title> Untitled Page </title>
<script type= "Text/javascript" >
var i=1
function AddFile ()
{
if (i<8)
{var str = ' <BR> <input type= "file" name= "file" runat= "server" style= "width:300px"/> Description: <input name= "text "Type=" text "style=" width:150px "maxlength="/> '
document.getElementById (' MyFile '). insertAdjacentHTML ("BeforeEnd", str)
}
Else
{
Alert ("You can upload up to 8 pictures at a time!")
}
i++
}
</script>
<link href= "http://www.hzhuti.com/" rel= "stylesheet" type= "Text/css"/>
<body style= "Background-image:url" (... /images/bg.jpg); Text-align:center ">
<form id= "Form1" runat= "Server" >
<div>
<table id= "Table1" align= "center" border= "0" cellpadding= "1" cellspacing= "1" class= "table"
Style= "height:58px" width= "620" >
<tr>
<TD align= "center" background= ". /images/topbg1.jpg ">
<font color= "#0000ff" face= "Song Body" size= "3" ><strong> upload picture </strong></font></td>
</tr>
<tr>
<TD align= "center" >
</td>
</tr>
<tr>
<TD align= "center" >
<asp:panel id= "Panel5" runat= "Server" width= "608px" >
<table width= "100%" >
<tr>
<TD align= "Right" style= "width:100px" >
</td>
<TD align= "Left" >
Note: Click to add Picture button can upload more than one picture, for each picture can write a sentence of no more than 20 words description. Single picture size not larger than 1024k</td>
</tr>
<tr>
<TD align= "Right" style= "width:100px" >
Please choose Picture: <br/>
</td>
<TD align= "left" ><p id= "MyFile" ><input onclick= "AddFile ()" type= "button" value= "Add picture (add)" ><br />
<input type= "File" name= "file" runat= "server" style= "width:300px"/>
Description: <input name= "text" type= "text" style= "width:150px" maxlength= "/>"
</td>
</tr>
<tr>
<TD align= "Right" style= "width:100px" >
Uploaded to the gallery:</td>
<TD align= "Left" >
<asp:dropdownlist id= "Ddlalbum" runat= "Server" datasourceid= "SqlDataSource1"
Datatextfield= "Albumname" datavaluefield= "albumID" >
</asp:dropdownlist><asp:sqldatasource id= "SqlDataSource1" runat= "Server" connectionstring= "<%$" Connectionstrings:webjakecs%> "
Selectcommand= "SELECT [albumID], [albumname] from [wb_album] ORDER BY [albumID] DESC" >
</asp:SqlDataSource>
</td>
</tr>
<tr>
<TD align= "Right" style= "width:100px" >
</td>
<TD align= "Left" >
<asp:button id= "Btnupload" runat= "Server" text= "Start uploading" onclick= "Btnupload_click"/>
</td>
</tr>
<tr>
<TD align= "Right" style= "width:100px" >
</td>
<TD align= "Left" >
<asp:label id= "lblmessage" runat= "Server" font-bold= "True" forecolor= "Red" ></asp:Label></td>
</tr>
</table>
</asp:Panel>
</td>
</tr>
<tr>
<TD align= "center" >
<font face= "Song Body" ></font><font face= "song Body" > </font>
</td>
</tr>
<tr>
<TD align= "center" >
<font face= "Song Body" ></font>
</td>
</tr>
</table>
</div>
</form>
</body>
The background code is as follows:
Copy Code code as follows:
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;
Using System.IO;
public partial class NetAdmin_APicture_UploadImg:System.Web.UI.Page
... {
protected void Page_Load (object sender, EventArgs e)
... {
}
protected void Btnupload_click (object sender, EventArgs e)
... {
Lblmessage.text = "";
Lblmessage.visible = false;
System.Web.HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
System.Text.StringBuilder strmsg = new System.Text.StringBuilder ("");
string[] rd = request.form[1]. Split (', ');//Get a picture description of the text box string array, for the corresponding picture description
String Albumid=ddlalbum.selectedvalue.trim ();
int ifile;
for (ifile = 0; ifile < files. Count; ifile++)
... {
if (files[ifile). Filename.length > 0)
... {
System.Web.HttpPostedFile postedfile = Files[ifile];
if (PostedFile. contentlength/1024 > 1024)//single file cannot be greater than 1024k
... {
strmsg. Append (Path.getfilename) (PostedFile. FileName) + "---not greater than 1024k<br>");
Break
}
String fex = Path.getextension (PostedFile. FileName);
if (Fex!= ". jpg" && fex!=). JPG "&& fex!=". gif "&& fex!=". GIF ")
... {
strmsg. Append (Path.getfilename) (PostedFile. FileName) + "---picture is not formatted, only JPG or gif<br>");
Break
}
}
}
if (strmsg. Length <= 0)//indicates picture size and format are OK
... {
The following is the Create gallery directory
String dirname = "Pic00" + DdlAlbum.SelectedValue.Trim ();
String dirpath = Server.MapPath ("http://www.iiwnet.com/php");
Dirpath = Dirpath + "" + dirname;
if (directory.exists (dirpath) = = False)
... {
Directory.CreateDirectory (Dirpath);
}
Random ro = new Random ();
int name = 1;
for (int i = 0; i < files. Count; i++)
... {
System.Web.HttpPostedFile myFile = files[i];
String FileName = "";
String fileextention = "";
String picpath = "";
FileName = System.IO.Path.GetFileName (myfile.filename);
String Stro=ro. Next (100,100000000). ToString () +name. ToString ()//produces a random number for the newly named picture
String NewName =datetime.now.minute.tostring () + DateTime.Now.Second.ToString () +datetime.now.millisecond.tostring ( ) +stro;
if (Filename.length > 0)//There are files to perform the upload operation and then save to the database
... {
Fileextention = System.IO.Path.GetExtension (myfile.filename);
String Ppath = Dirpath + "" + NewName + fileextention;
Myfile.saveas (Ppath);
string fjname = FileName;
Picpath = "Picbase" + "" + dirname + "" + NewName + fileextention;
}
AddPicture (Picpath, Rd[i], albumID)//Save picture information to database
if (name = = 1)//If the first picture is updated each time, update it to the cover of the album
... {
Upfirstimg (albumID, Picpath);
}
Name = name + 1;//variable to rename the rule
}
}
Else
... {
Lblmessage.text = strmsg. ToString ();
Lblmessage.visible = true;
}
}
private void AddPicture (string imgpath,string imgnote,string albumid)
... {
String sql = "Insert Wb_albumimges (Imgpath,imgnote,albumid) VALUES (' +imgpath+" ', ' +imgnote+ ', ' "+albumid+ ')";
DB MyDB = new db ();
MyDB. Runproc (SQL);
}
private void Upfirstimg (String albumid,string firstimg)
... {
String sql = "Update wb_album set firstimg= '" +firstimg+ "' where albumid=" +ALBUMID;
DB MyDB = new db ();
MyDB. Runproc (SQL);
}
}
