asp.Netマルチピクチャアップロード実装プログラムコード

 
  
 
  
 
  
 
  
 
  
 
  
 
  <br>var i=1 
  <br>function addFile() 
  <br>{ 
  <br>if (i<8) 
  <br>{var str = '<BR> <input type="file" name="File" runat="server" style="width: 300px"/>  :<input name="text" type="text" style="width: 150px" maxlength="20" />' 
  <br>document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str) 
  <br>} 
  <br>else 
  <br>{ 
  <br>alert("         8   !") 
  <br>} 
  <br>i++ 
  <br>} 
  <br> 
  
 
  
 
  
 
  
 
  
 
  
style="height: 58px" width="620"> 
  















 
  
 
  
    
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  





















 
  
 
  
 
  
 
  
 
  
  :                ,             20     .         1024k
 
  
 
  
 
  
 
  
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DataTextField="AlbumName" DataValueField="AlbumID"> 
  
SelectCommand="SELECT [AlbumID], [AlbumName] FROM [WB_Album] ORDER BY [AlbumID] DESC"> 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
  
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
 

 
  
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(',');//               ,          
  
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)//        1024k 
  
...{ 
  
strmsg.Append(Path.GetFileName(postedfile.FileName) + "---    1024k
"); 
  
break; 
  
} 
  
string fex = Path.GetExtension(postedfile.FileName); 
  
if (fex != ".jpg" && fex != ".JPG" && fex != ".gif" && fex != ".GIF") 
  
...{ 
  
strmsg.Append(Path.GetFileName(postedfile.FileName) + "---      ,   jpg gif
"); 
  
break; 
  
} 
  
} 
  
} 
  
if (strmsg.Length <= 0)//              
  
...{ 
  
//          
  
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();//                
  
string NewName =DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString()+DateTime.Now.Millisecond.ToString()+stro; 
  
if (FileName.Length > 0)//                  
  
...{ 
  
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);//            
  
if (name == 1)//             ,            
  
...{ 
  
upFirstimg(albumid, PicPath); 
  
} 
  
name = name + 1;//           
  
} 
  
} 
  
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); 
  
} 
  
}