public static Material Create(string description, MaterialType type, HttpPostedFileBase file, BaseDbContext db)
{
if (!type.Match(file))
return null;
string uploadFileName = DateTime.Now.ToString("yyyyMMddHHmmss") + Path.GetExtension(file.FileName);
string absolutFileName;
switch (type)
{
case MaterialType.Identity:
absolutFileName = HttpContext.Current.Server.MapPath("~/UserUpload/") + "Identity/" + uploadFileName;
break;
case MaterialType.Avatar:
absolutFileName = HttpContext.Current.Server.MapPath("~/UserUpload/") + "Avatar/" + uploadFileName;
break;
default:
absolutFileName = HttpContext.Current.Server.MapPath("~/UserUpload/") + "Administrator/" + uploadFileName;
break;
}
//执行上传
if (File.Exists(absolutFileName))
{
File.Delete(absolutFileName);
}
file.SaveAs(absolutFileName);
Material material = new Material(uploadFileName, description, type);
//添加Material记录
db.Materials.Add(material);
//保存更改
db.SaveChanges();
return db.Materials.Find(material.Id);
}
