/// <summary>
/// 上传文件
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
private static UploadResult UploadFile(UploadParameter p)
{
var file = p.File;
if (file == null || file.ContentLength < 1)
{
return(new UploadResult(UploadStatus.NoFile, "没有选择上传文件"));
}
// 检查文件大小
int size = file.ContentLength;
double maxLen = p.MaxLength * 1024d * 1024d;
if (size > maxLen)
{
string msg = string.Format("文件大小超出限制,最大允许上传[{0}]MB", p.MaxLength);
return(new UploadResult(UploadStatus.OutOfSize, msg));
}
//取得上传文件之扩展文件名，并转换成小写字母
string fileExtension = Path.GetExtension(file.FileName);
bool fileAllow = p.AllowExtension(fileExtension);
if (!fileAllow)
{
string msg = string.Format("文件类型受限制,只允许上传[{0}]格式", string.Join(",", p.Extensions));
return(new UploadResult(UploadStatus.OutOfFormat, msg));
}
try
{
string savePath = p.SavePath;
DirectoryInfo di = new DirectoryInfo(Path.GetDirectoryName(savePath));
if (!di.Exists)
{
di.Create();
}
file.SaveAs(savePath);
return(new UploadResult(UploadStatus.Success, "上传成功"));
}
catch (Exception e)
{
return(new UploadResult(UploadStatus.Error, "上传出现错误--" + e.Message));
}
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="type">类型</param>
/// <param name="p">其他参数</param>
/// <returns></returns>
public static UploadResult UploadFile(UploadType type, UploadParameter p)
{
switch (type)
{
case UploadType.IMAGE:
p.Extensions = new string[] { ".jpg", ".jpeg", ".png", ".bmp", ".gif" };
p.MaxLength = 20;
break;
case UploadType.RAR:
p.Extensions = new string[] { ".rar", ".zip" };
break;
case UploadType.EXCEL:
p.Extensions = new string[] { ".xls", ".xlsx" };
break;
case UploadType.FILE:
break;
}
return(UploadFile(p));
}
