public void SaveFile(string destination, System.Web.UI.WebControls.FileUpload file)
{
if (file.HasFile)
{
file.SaveAs(destination + file.FileName);
file.Dispose();
}
}
public static SaveFileResult SaveFile(string strAcct, FileUpload FileUpload, string SaveFilePath, int MaxKBSize, params string[] Extensions)
{
SaveFileResult result = null;
result = new SaveFileResult();
if ((FileUpload != null) && FileUpload.HasFile)
{
if (string.IsNullOrEmpty((SaveFilePath ?? "").Trim()))
{
result.Msg = "未設定儲存路徑";
return result;
}
if ((MaxKBSize > 0) && (FileUpload.PostedFile.ContentLength > (MaxKBSize * 0x400)))
{
result.Msg = "超出大小限制";
return result;
}
if (Extensions.Length > 0)
{
bool flag = false;
foreach (string str in Extensions)
{
if (Path.GetExtension(FileUpload.FileName).ToLower() == ("." + str.ToLower()))
{
flag = true;
break;
}
}
if (!flag)
{
result.Msg = "不是允許的副檔名";
return result;
}
}
if (Strings.Right(SaveFilePath, 1) != "/")
{
SaveFilePath = SaveFilePath + "/";
}
SetFolder(SaveFilePath);
string str2 = strAcct + DateTime.Now.ToString("yyMMddHHmmssfff") + Path.GetExtension(FileUpload.FileName);
string filename = HttpContext.Current.Server.MapPath(SaveFilePath + str2);
FileUpload.SaveAs(filename);
FileUpload.Dispose();
result.Result = true;
result.Msg = SaveFilePath + str2;
}
return result;
}
/// <summary>
/// 保存文件
/// </summary>
/// <param name="fu">上传文件对象</param>
/// <param name="IsImage">是否图片</param>
/// <returns>成功/失败</returns>
public bool SaveFile(FileUpload fu, bool IsImage)
{
bool rBool = false;
rBool = SaveFile(fu.PostedFile, IsImage);
fu.Dispose();
return rBool;
}
/// <summary>
/// 保存文件
/// </summary>
/// <param name="fu">上传文件对象</param>
/// <param name="IsImage">是否邮件</param>
public bool SaveFile(FileUpload fu)
{
if (fu.HasFile)
{
string fileContentType = fu.PostedFile.ContentType;
string name = fu.PostedFile.FileName; // 客户端文件路径
FileInfo file = new FileInfo(name);
_fileType = fu.PostedFile.ContentType;
_fileSize = fu.PostedFile.ContentLength;
bool isfileTypeImages = false;
if (fileContentType == "image/x-png" || fileContentType == "image/png" || fileContentType == "image/bmp" || fileContentType == "image/gif" || fileContentType == "image/pjpeg")
{
isfileTypeImages = true;
}
//检测文件扩展名是否正确
var ImgExtention = file.Extension.Substring(1).ToLower();
if (ImgExtention != "gif" && ImgExtention != "jpg" && ImgExtention != "jpeg" && ImgExtention != "png")
{
_errorMsg = string.Format("文件扩展名不符合系统需求:{0}",
"gif|jpg|jpeg|png");
fu.Dispose();
return false;
}
if (_fileSize / 1024 > 2048)
{
_errorMsg = string.Format("上传文件超过系统允许大小:{0}K", "2048");
fu.Dispose();
return false;
}
_fileName = file.Name; // 文件名称
_newFileName = CreateFileName() + file.Extension;
_webFilePath = HttpContext.Current.Server.MapPath(_path + _newFileName); // 服务器端文件路径
if (isfileTypeImages)
{
//检查文件是否存在
if (!File.Exists(_webFilePath))
{
try
{
fu.SaveAs(_webFilePath); // 使用 SaveAs 方法保存文件
// 只有上传完了,才能获取图片大小
if (File.Exists(_webFilePath))
{
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(_webFilePath);
try
{
_fileHeight = originalImage.Height;
_fileWidth = originalImage.Width;
}
finally
{
originalImage.Dispose();
}
}
_errorMsg = string.Format("提示：文件“{0}”成功上传，文件类型为：{1}，文件大小为：{2}B", _newFileName, fu.PostedFile.ContentType, fu.PostedFile.ContentLength);
fu.Dispose();
return true;
}
catch (Exception ex)
{
_errorMsg = "提示：文件上传失败，失败原因：" + ex.Message;
}
}
else
{
_errorMsg = "提示：文件已经存在，请重命名后上传";
}
}
else
{
//上传文件
//检查文件是否存在
if (!File.Exists(_webFilePath))
{
try
{
fu.SaveAs(_webFilePath); // 使用 SaveAs 方法保存文件
_errorMsg = string.Format("提示：文件“{0}”成功上传，文件类型为：{1}，文件大小为：{2}B", _newFileName, fu.PostedFile.ContentType, fu.PostedFile.ContentLength);
fu.Dispose();
return true;
}
catch (Exception ex)
{
_errorMsg = "提示：文件上传失败，失败原因：" + ex.Message;
}
}
else
_errorMsg = "提示：文件已经存在，请重命名后上传";
}
}
fu.Dispose();
return false;
}
protected string saveFile(string fileExtension, System.Web.UI.WebControls.FileUpload fileUploads)
{
string alertMessage = string.Empty;
string[] docList = null;
string emplId = string.Empty;
string fileName = string.Empty;
string fileType = string.Empty;
string msg = string.Empty;
string templateId = string.Empty;
string searchCriteria = string.Empty;
string uploadDirectory = string.Empty;
string uploadFilePath = string.Empty;
try
{
emplId = Session["EmplId"].ToString();
if (fileUploads.HasFile)
{
fileName = Path.GetFileName(fileUploads.FileName);
fileType = Path.GetExtension(fileName).ToLower();
// Check for Supported file types
if (fileType == string.Concat(".", fileExtension))
{
//Build the full file path for the upload directory with file name
uploadDirectory = string.Concat(Server.MapPath(Session["UploadDirectory"].ToString()), emplId);
uploadFilePath = string.Concat(uploadDirectory, "\\", fileName);
if (!Directory.Exists(uploadDirectory))
{
Directory.CreateDirectory(uploadDirectory);
}
else // Only one file type extension should exist in the directory
{
searchCriteria = string.Concat("*.", fileExtension);
docList = Directory.GetFiles(uploadDirectory, searchCriteria);
foreach (string uploadedFile in docList)
{
File.Delete(uploadedFile);
}
}
fileUploads.PostedFile.SaveAs(uploadFilePath);
fileUploads.Dispose();
FileInfo fi = new FileInfo(uploadFilePath);
//File attribute can't be read only, change to normal
if (fi.IsReadOnly)
{
File.SetAttributes(uploadFilePath, FileAttributes.Normal);
}
fi = null;
fileUploads = null;
// Log the Action
msg = string.Format("Create Template Screen - Save File: {0} to {1}",
fileName, uploadFilePath);
_HRSCLogsDA.Insert(msg);
}
else
{
//Display message
msg = string.Concat("Only a ", fileExtension, " file may be Uploaded");
alertMessage = "alert('" + msg + "');";
ScriptManager.RegisterClientScriptBlock(this, typeof(Page), "Information Message", alertMessage, true);
}
}
else
{
//Display message
msg = string.Concat("A File Upload is required to be selected. Please use the Browse button for selecting the file to be uploaded.");
alertMessage = "alert('" + msg + "');";
ScriptManager.RegisterClientScriptBlock(this, typeof(Page), "Information Message", alertMessage, true);
}
}
catch (InternalException err)
{
// Display a Messagebox
AlertMessage.Show(err.UserFriendlyMsg, this.Page);
}
catch (Exception err)
{
// Error
string errMsg = string.Format("{0} - Upload {1} Click Error - {2}",
GetType().FullName,
fileExtension,
err.Message);
// Log the Error
AppLogWrapper.LogError(errMsg);
// Save a User Friendly Error Message in Session Variable
errMsg = string.Concat("There was a problem uploading the ", fileExtension, " file. If the problem persists, please contact Technical Support.");
// Display a Messagebox
AlertMessage.Show(errMsg, this.Page);
}
return(uploadFilePath);
}