string path="文件所在目录的绝对路径";
string[] FilesList=System.IO.Directory.GetFiles(path);
foreach(string filename2 in FilesList)
{
string filename1=filename2;
int j=filename1.LastIndexOf("\\");
filename1=filename1.Substring(j+1);
if(filename1==filename)
{
myLabel.Text="该文件已经存在!<font color=red>|</font>请重新上传<font color=red>|</font>或另存文件名";
return;
}
string[] FilesList=System.IO.Directory.GetFiles(path);
foreach(string filename2 in FilesList)
{
string filename1=filename2;
int j=filename1.LastIndexOf("\\");
filename1=filename1.Substring(j+1);
if(filename1==filename)
{
myLabel.Text="该文件已经存在!<font color=red>|</font>请重新上传<font color=red>|</font>或另存文件名";
return;
}
System.IO.DirectoryInfo di = System.IO.Directory.CreateDirectory("FilePath");tryusing System;
using System.IO;
using System.Management;class TestDir
{
public static void Main()
{
string s = @"d:\labs\html";
DirectoryInfo di = new DirectoryInfo(s);
if (di.Exists)
{
if ((di.Attributes & FileAttributes.ReadOnly) != FileAttributes.ReadOnly)
Console.WriteLine(di.FullName + " not readonly");
} Console.WriteLine(di.Root);
ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\""+ di.Root.Name.Substring(0,2) +"\"");
Console.WriteLine("Free space on {0} drive is: {1}", di.Root.Name, disk.Properties["FreeSpace"].Value); }
}
DirectoryInfo di = new DirectoryInfo(s);if ((di.Attributes & FileAttributes.ReadOnly) != FileAttributes.ReadOnly)
Console.WriteLine(di.FullName + " not readonly");di.Attributes 是不是d:\labs\html所属目录的属性?
那FileAttributes.ReadOnly又是什么呢?而且,如果d:\labs\html的上上一级(上两级)目录不允许访问,那还是不能通过阿。
ONCLICK事件里进行操作!
/////////////////////////////////////////////////////////////////
// 获取上传文件名
string strPhotoName = upload.PostedFile.FileName.ToString();
// 获取相对地址
string strPhotoNameMapPath = Server.MapPath ( "../../Photo/" ); strPhotoName = System.IO.Path.GetFileName( strPhotoName );// 文件的全地址
string strFullFileName = strPhotoNameMapPath+strCompanyName+"\\"+strPhotoName;
// 图片存入数据库的地址
string strPhotoPath = strCompanyName+"/"+strPhotoName;// 文件的存放文件夹地址
string strMapPath = strPhotoNameMapPath + strCompanyName; // 判断上传文件夹是否存在
if ( System.IO.Directory.Exists( strMapPath ) )
{
// 判断该图片已经上传
if( System.IO.File.Exists ( strFullFileName ) )
{
Response.Write( "该文件已经存在!" );
}
else
{
// 进行上传操作
upload.PostedFile.SaveAs( strFullFileName );
// 把文件地址放到数据库中
strSqlUserInfo="execute sp_tbPhoto_AddPhoto @strBlockID='"+strBlockID+"',@strCompanyID='"+strCompanyID+"',@strChild='"+strChild+"',@strCheckLink='"+strCheckLink+"',@strTitle='"+strTitle+"',@strPhotoType='"+strPhotoType+"',@strPhotoPath='"+strPhotoPath+"',@strLinkPath='"+strPhotoPath+"'";
clsCommon clsCom=new clsCommon(); // 采用WebService进行操作,你的可以用的方式来更新数据库!
Boolean dsRetu=clsCom.UpdateData(clsCommon.strCondbMemorabilia.ToString(),strSqlUserInfo);
Response.Redirect( "wfmPhotoAdd.aspx" );
}
}
else
{
// 创建文件夹
System.IO.Directory.CreateDirectory ( strMapPath );
upload.PostedFile.SaveAs( strFullFileName );
}