/// <summary>
/// 上传文件
/// </summary>
/// <param name="file">FileUpload</param>
/// <param name="filePath">要保存的文件路径,</param>
/// <param name="lstFileType">允许上传的文件类型,大小,单位为KB,Size=0表示无任何限制</param>
/// <param name="fileName">自定义文件名称</param>
public stuUpLoadFile Upload(HttpPostedFile file, string filePath, string fileName,
List <stuUpLoadFileType> lstFileType = null)
{
var uploadFile = new stuUpLoadFile {
ErrorMessage = string.Empty
};
filePath = Url.ConvertPath(filePath);
if (!filePath.EndsWith("/"))
{
filePath += "/";
}
//判断根目录,保存目录是否为空
if (string.IsNullOrWhiteSpace(filePath))
{
uploadFile.ErrorMessage = "保存路径没有填写,请联系管理员!";
return(uploadFile);
}
// 检测上传文件的合法性
if (!CheckFile(file, ref uploadFile, lstFileType))
{
return(uploadFile);
}
#region 文件操作
try
{
#region 创建文件目录(任何级别目录)
var fileMapPath = Webs.GetMapPath(filePath); //获取目录绝对路径
Directory.CreateDirectory(fileMapPath);
#endregion
file.SaveAs(fileMapPath + fileName);
uploadFile.FileName = fileName;
uploadFile.FileNamePrefix = Path.GetFileNameWithoutExtension(fileName);
uploadFile.FileNameExtension = Path.GetExtension(fileName);
uploadFile.Size = file.ContentLength >= 1024 ? file.ContentLength / 1024 : 1;
uploadFile.FilePath = filePath;
uploadFile.FileMapPath = fileMapPath;
uploadFile.IsSuccess = true;
}
catch (Exception Ex)
{
uploadFile.IsSuccess = false;
uploadFile.ErrorMessage = Ex.Message;
return(uploadFile);
}
#endregion
return(uploadFile);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="file">FileUpload</param>
/// <param name="filePath">要保存的文件路径,</param>
/// <param name="lstFileType">允许上传的文件类型,大小,单位为KB,Size=0表示无任何限制</param>
/// <param name="fileName">自定义文件名称</param>
public stuUpLoadFile Upload(HttpPostedFile file, string filePath, string fileName,
List<stuUpLoadFileType> lstFileType = null)
{
var uploadFile = new stuUpLoadFile {ErrorMessage = string.Empty};
filePath = Url.ConvertPath(filePath);
if (!filePath.EndsWith("/"))
{
filePath += "/";
}
//判断根目录,保存目录是否为空
if (string.IsNullOrWhiteSpace(filePath))
{
uploadFile.ErrorMessage = "保存路径没有填写,请联系管理员!";
return uploadFile;
}
// 检测上传文件的合法性
if (!CheckFile(file, ref uploadFile, lstFileType))
{
return uploadFile;
}
#region 上传文件操作
try
{
#region 创建文件目录(任何级别目录)
var fileMapPath = Webs.GetMapPath(filePath); //获取目录绝对路径
Directory.CreateDirectory(fileMapPath);
#endregion
file.SaveAs(fileMapPath + fileName);
uploadFile.FileName = fileName;
uploadFile.FileNamePrefix = Path.GetFileNameWithoutExtension(fileName);
uploadFile.FileNameExtension = Path.GetExtension(fileName);
uploadFile.Size = file.ContentLength >= 1024 ? file.ContentLength/1024 : 1;
uploadFile.FilePath = filePath;
uploadFile.FileMapPath = fileMapPath;
uploadFile.IsSuccess = true;
}
catch (Exception Ex)
{
uploadFile.IsSuccess = false;
uploadFile.ErrorMessage = Ex.Message;
return uploadFile;
}
#endregion
return uploadFile;
}
/// <summary>
/// 检查每个文件的合法检验
/// </summary>
private bool CheckFile(HttpPostedFile file, ref stuUpLoadFile uploadFile,
List<stuUpLoadFileType> lstFileType = null)
{
//获取文件名前缀
var fileNamePrefix = Path.GetFileNameWithoutExtension(file.FileName);
//获取文件名后缀
var fileNameExtension = file.FileName.LastIndexOf('.') > -1
? Path.GetExtension(file.FileName).Substring(1)
: Path.GetExtension(file.FileName);
//文件容量
var fileContentLength = file.ContentLength/1024;
if (string.IsNullOrWhiteSpace(file.FileName))
{
uploadFile.ErrorMessage = "未检测到文件上传!";
return false;
}
if (string.IsNullOrWhiteSpace(fileNamePrefix))
{
uploadFile.ErrorMessage = "文件: [ " + file.FileName + " ] 前缀名不能为空";
return false;
}
if (file.ContentLength > 0 && fileContentLength == 0)
{
fileContentLength = 1;
}
if (fileContentLength <= 0)
{
uploadFile.ErrorMessage = "文件: [ " + file.FileName + " ] 的大小不能为0KB";
return false;
}
//循环文件类型,长度
if (lstFileType == null || lstFileType.Count == 0)
{
return true;
}
//true表示属于允许上传的类型
var isfileExtension = false;
foreach (var fileType in lstFileType)
{
//判断文件类型,长度是否允许上传
if (!fileNameExtension.IsEquals(fileType.type))
{
continue;
}
isfileExtension = true;
//判断文件容量是否超过上限
if (fileType.size != 0 && fileContentLength > fileType.size)
{
uploadFile.ErrorMessage = string.Format("文件类型为 [ {0} ] 的容量不能超过: [ {1} KB ]", fileType.type,
fileType.size);
return false;
}
break;
}
if (!isfileExtension)
{
uploadFile.ErrorMessage = string.Format("文件扩展名: [ {0} ] 不允许上传", fileNameExtension);
return false;
}
return true;
}
/// <summary>
/// 检查每个文件的合法检验
/// </summary>
private bool CheckFile(HttpPostedFile file, ref stuUpLoadFile uploadFile,
List <stuUpLoadFileType> lstFileType = null)
{
//获取文件名前缀
var fileNamePrefix = Path.GetFileNameWithoutExtension(file.FileName);
//获取文件名后缀
var fileNameExtension = file.FileName.LastIndexOf('.') > -1
? Path.GetExtension(file.FileName).Substring(1)
: Path.GetExtension(file.FileName);
//文件容量
var fileContentLength = file.ContentLength / 1024;
if (string.IsNullOrWhiteSpace(file.FileName))
{
uploadFile.ErrorMessage = "未检测到文件上传!";
return(false);
}
if (string.IsNullOrWhiteSpace(fileNamePrefix))
{
uploadFile.ErrorMessage = "文件: [ " + file.FileName + " ] 前缀名不能为空";
return(false);
}
if (file.ContentLength > 0 && fileContentLength == 0)
{
fileContentLength = 1;
}
if (fileContentLength <= 0)
{
uploadFile.ErrorMessage = "文件: [ " + file.FileName + " ] 的大小不能为0KB";
return(false);
}
//循环文件类型,长度
if (lstFileType == null || lstFileType.Count == 0)
{
return(true);
}
//true表示属于允许上传的类型
var isfileExtension = false;
foreach (var fileType in lstFileType)
{
//判断文件类型,长度是否允许上传
if (!fileNameExtension.IsEquals(fileType.type))
{
continue;
}
isfileExtension = true;
//判断文件容量是否超过上限
if (fileType.size != 0 && fileContentLength > fileType.size)
{
uploadFile.ErrorMessage = string.Format("文件类型为 [ {0} ] 的容量不能超过: [ {1} KB ]", fileType.type,
fileType.size);
return(false);
}
break;
}
if (!isfileExtension)
{
uploadFile.ErrorMessage = string.Format("文件扩展名: [ {0} ] 不允许上传", fileNameExtension);
return(false);
}
return(true);
}
