/// <summary>
/// 从Xml载入文件信息
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static UploadFileModelCollection ParseByXml(string xml)
{
if (string.IsNullOrWhiteSpace(xml))
{
return(new UploadFileModelCollection());
}
var el = XElement.Parse(xml);
var attachs = new UploadFileModelCollection();
if (el != null)
{
foreach (var e in el.Elements())
{
UploadFileModel attach = new UploadFileModel();
var name = e.Element("name").Value;
var url = e.Element("url").Value;
var size = e.Element("size").Value;
attach.FileName = name;
attach.FileSize = size.ObjToLong();
attach.FilePath = url;
attachs.Add(attach);
}
}
return(attachs);
}
/// <summary>
/// 将缓存目录中的文件保存到实际保存目录，并获取文件信息
/// </summary>
/// <param name="attachments">文件信息字符串</param>
/// <param name="fileSplit">文件分隔符</param>
/// <param name="itemSplit">文件名和文件路径分隔符</param>
/// <param name="saveFolder">保存的文件夹</param>
/// <returns>保存的文件Xml集合</returns>
public static UploadFileModelCollection SaveAs(string attachments, string configName, string fileSplit, string itemSplit)
{
var collection = new UploadFileModelCollection();
//将缓存中的上传文件另存
if (!string.IsNullOrWhiteSpace(attachments))
{
var files = attachments.Split(new string[] { fileSplit }, StringSplitOptions.RemoveEmptyEntries).ToList();
var cfg = GetUploadConfig(configName);
//如果实际上传文件个数大于配置中限制的个数，则只获取限制个数的文件
if (cfg.QueueSizeLimit > 0 && files.Count() > cfg.QueueSizeLimit)
{
files = files.Take(cfg.QueueSizeLimit).ToList();
}
foreach (var o in files)
{
var items = o.Split(new string[] { itemSplit }, StringSplitOptions.None).ToList();
var file = items[0];
var name = items.Count == 2 ? items[1] : System.IO.Path.GetFileName(file);
file = System.Web.Mvc.UrlHelper.GenerateContentUrl(file, httpContext);
var tempDiskPath = string.Empty;
if (System.IO.Path.IsPathRooted(file))
{
tempDiskPath = httpContext.Server.MapPath(file);
}
else
{
tempDiskPath = System.IO.Path.Combine(cfg.BasePath, file);
}
if (System.IO.File.Exists(tempDiskPath))
{
string folder = System.Web.Mvc.UrlHelper.GenerateContentUrl(cfg.Folder, httpContext);
folder = System.Web.VirtualPathUtility.AppendTrailingSlash(folder);
folder = string.Concat(folder, DateTime.Now.ToString("yyyyMM", DateTimeFormatInfo.InvariantInfo));
//保存的磁盘目录
string diskFolder = string.Empty;
if (System.IO.Path.IsPathRooted(folder))
{
diskFolder = httpContext.Server.MapPath(folder);
}
else
{
diskFolder = System.IO.Path.Combine(cfg.BasePath, folder);
}
//保存磁盘目录检查
if (!System.IO.Directory.Exists(diskFolder))
{
System.IO.Directory.CreateDirectory(diskFolder);
}
string fileName = System.IO.Path.GetFileName(tempDiskPath);
string newFilePath = System.IO.Path.Combine(diskFolder, fileName);
//将文件移到实际保存路径中
System.IO.File.Move(tempDiskPath, newFilePath);
var fileInfo = new System.IO.FileInfo(newFilePath);
collection.Add(new UploadFileModel()
{
FileName = name,
FilePath = System.IO.Path.Combine(System.Web.VirtualPathUtility.AppendTrailingSlash(folder), fileName),
FileSize = fileInfo.Length
});
}
}
}
return(collection);
}