/// <summary>
/// 上传附件
/// </summary>
/// <param name="postedFile">fileupload控件</param>
/// <param name="msg">提示信息</param>
/// <param name="guid">文件重命名guid</param>
/// <param name="savePath">文件保存路径</param>
/// <param name="fileLength">文件大小限制(4M:4194304)</param>
/// <param name="filesType">文件类型限制，默认".gif,.jpg,.png,.xls,.xlsx,.doc,.docx,.pdf"</param>
/// <returns></returns>
public static FIReturnInfo UploadFile(HttpPostedFile postedFile, out string msg, out string guid,
out string savePath,
string filesType = FileType, int fileLength = FileBtyesLength)
{
msg = string.Empty;
guid = Guid.NewGuid().ToString();
savePath = string.Empty;
string[] strArray = filesType.ToLower().Split(',');
if (!string.IsNullOrEmpty(postedFile.FileName))
{
//文件类型,带".",如:.jpg,.doc
string extension = Path.GetExtension(postedFile.FileName).ToLower();
if (strArray.Length != 0)
{
if (!Array.Exists(strArray, element => element.Equals(extension)))
{
string error = string.Join("/", strArray);
var returnInfo = new FIReturnInfo(false, "只允许上传" + error + "的文件");
return returnInfo;
}
}
if (postedFile.ContentLength > fileLength)
{
//msg = Message.Common.SizeOverFlow + fileLength + "KB(" + fileLength/(1024*1024) + "M)";
var returnInfo = new FIReturnInfo(false, "上传文件大小过大，允许上传的文件最大为" + FileBtyesLength / (1024 * 1024) + "M");
return returnInfo;
}
savePath = savePath + "\\" + DateTime.Now.ToString("yyyyMM");
if (!Directory.Exists(savePath))
Directory.CreateDirectory(savePath);
savePath = string.Format("{0}\\{1}_{2}{3}", savePath,
Path.GetFileNameWithoutExtension(postedFile.FileName), guid, extension);
//postedFile.SaveAs(savePath);
FileStream stream = new FileStream(savePath, FileMode.Create);
int length = 1024;
byte[] b = new byte[length];
try
{
int size = postedFile.InputStream.Read(b, 0, length);
while (size > 0)
{
stream.Write(b, 0, size);
size = postedFile.InputStream.Read(b, 0, length);
}
}
finally
{
if (stream != null)
{
stream.Flush();
stream.Close();
}
}
var fiReturnInfo = new FIReturnInfo(true);
return fiReturnInfo;
}
return new FIReturnInfo(false, "没有选择上传文件");
}
/// <summary>
/// 上传附件
/// </summary>
/// <param name="postedFile">fileupload控件</param>
/// <param name="msg">提示信息</param>
/// <param name="guid">文件重命名guid</param>
/// <param name="savePath">文件保存路径</param>
/// <param name="fileLength">文件大小限制(4M:4194304)</param>
/// <param name="filesType">文件类型限制，默认".gif,.jpg,.png,.xls,.xlsx,.doc,.docx,.pdf"</param>
/// <returns></returns>
public static FIReturnInfo UploadFile(HttpPostedFile postedFile, out string msg, out string guid,
out string savePath,
string filesType = FileType, int fileLength = FileBtyesLength)
{
msg = string.Empty;
guid = Guid.NewGuid().ToString();
savePath = string.Empty;
string[] strArray = filesType.ToLower().Split(',');
if (!string.IsNullOrEmpty(postedFile.FileName))
{
//文件类型,带".",如:.jpg,.doc
string extension = Path.GetExtension(postedFile.FileName).ToLower();
if (strArray.Length != 0)
{
if (!Array.Exists(strArray, element => element.Equals(extension)))
{
string error = string.Join("/", strArray);
var returnInfo = new FIReturnInfo(false, "只允许上传" + error + "的文件");
return(returnInfo);
}
}
if (postedFile.ContentLength > fileLength)
{
//msg = Message.Common.SizeOverFlow + fileLength + "KB(" + fileLength/(1024*1024) + "M)";
var returnInfo = new FIReturnInfo(false, "上传文件大小过大，允许上传的文件最大为" + FileBtyesLength / (1024 * 1024) + "M");
return(returnInfo);
}
savePath = savePath + "\\" + DateTime.Now.ToString("yyyyMM");
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
savePath = string.Format("{0}\\{1}_{2}{3}", savePath,
Path.GetFileNameWithoutExtension(postedFile.FileName), guid, extension);
//postedFile.SaveAs(savePath);
FileStream stream = new FileStream(savePath, FileMode.Create);
int length = 1024;
byte[] b = new byte[length];
try
{
int size = postedFile.InputStream.Read(b, 0, length);
while (size > 0)
{
stream.Write(b, 0, size);
size = postedFile.InputStream.Read(b, 0, length);
}
}
finally
{
if (stream != null)
{
stream.Flush();
stream.Close();
}
}
var fiReturnInfo = new FIReturnInfo(true);
return(fiReturnInfo);
}
return(new FIReturnInfo(false, "没有选择上传文件"));
}
