/// <summary>
/// 返回临时文件存放位置
/// </summary>
/// <param name="fileExtension"></param>
/// <returns></returns>
public string GetFileTempUrl(string fileExtension)
{
string sDay = DateTime.Now.Day.ToString();
string dir = ConfigHelper.GetFullPath("UploadFilesSavePath");
dir = Path.Combine(dir, "temp");
string cDir = Path.Combine(dir, sDay);
if (!Directory.Exists(cDir))
{
Directory.CreateDirectory(cDir);
}
string[] childDirs = Directory.GetDirectories(dir);
foreach (string item in childDirs)
{
if (item != (cDir))
{
Directory.Delete(item, true);
}
}
string fileName = CustomsHelper.GetFormatDateTime() + fileExtension.ToLower();
string fileUrl = Path.Combine(dir, sDay, fileName);
return(fileUrl.Replace(HttpContext.Current.Server.MapPath("~"), "~/").Trim().Replace(@"\", @"/"));
}
/// <summary>
/// 使用FileUpload服务器控件上传文件
/// </summary>
/// <param name="fu"></param>
/// <param name="dic"></param>
/// <param name="errorMsg"></param>
/// <returns></returns>
public bool UploadFile(FileUpload fu, string configKey, ref Dictionary <string, string> dic, ref string errorMsg)
{
if (!fu.HasFile)
{
return(false);
}
//判断文件的类型和大小
string type = fu.PostedFile.ContentType;
int size = fu.PostedFile.ContentLength;
//获取客户端上的文件的完全限定名称
string fileOriginalName = fu.PostedFile.FileName;
//获取文件扩展名
string fileExtension = Path.GetExtension(fu.PostedFile.FileName).ToLower();
//获取不包含文件扩展名的文件名
string fileName = CustomsHelper.CreateDateTimeString();
//文件保存路径
string fileUrl = string.Empty;
int fileLen = fu.PostedFile.ContentLength;
if (!IsFileValidated(fu.PostedFile.InputStream, fileLen))
{
errorMsg = "上传的文件为禁止的文件！";
return(false);
}
//创建保存文件的路径
string path = ConfigHelper.GetFullPath(configKey);
string fullPath = path + fileName + fileExtension;
try
{
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
//上载文件到硬盘
fu.SaveAs(fullPath);
fileUrl = ConfigHelper.GetValueByKey(configKey) + fileName + fileExtension;
dic.Add("FileName", fileName);
dic.Add("FileExtension", fileExtension);
dic.Add("FileUrl", fileUrl);
dic.Add("FileOriginalName", fileOriginalName);
return(true);
}
catch
{
}
return(false);
}
/// <summary>
/// 将临时文件移到正式使用的位置
/// </summary>
/// <param name="sourceFileName"></param>
/// <param name="destFileName"></param>
public string TempFileMoveToUseFile(string tempPath, string replaceTempName)
{
if (string.IsNullOrEmpty(tempPath))
{
return("");
}
tempPath = HttpContext.Current.Server.MapPath(tempPath);
string fileName = Path.GetFileName(tempPath);
string directoryName = Path.Combine(ConfigHelper.GetFullPath("UploadFilesSavePath"), replaceTempName);
if (!Directory.Exists(directoryName))
{
Directory.CreateDirectory(directoryName);
}
string fileUrl = Path.Combine(directoryName, fileName);
File.Move(tempPath, fileUrl);
return(fileUrl.Replace(HttpContext.Current.Server.MapPath("~"), "~/").Trim().Replace(@"\", @"/"));
}