public static void HandleFiles(List <VisitFile> needdels, List <VisitFile> neednews, List <string> oldFiles,
string visitID, string type, Dictionary <string, string> copyfiles, DBEntities db)
{
var rootpath = ConfigurationManager.AppSettings["rootpath"].ToString();
if (needdels != null)
{
foreach (var item in needdels)
{
if (File.Exists(System.IO.Path.Combine(rootpath, item.FileUrl)) && !oldFiles.Contains(item.FileUrl))
{
oldFiles.Add(System.IO.Path.Combine(rootpath, item.FileUrl));
}
db.Entry(item).State = System.Data.Entity.EntityState.Deleted;
}
}
if (neednews != null)
{
foreach (var item in neednews)
{
if (!string.IsNullOrEmpty(item.FileUrl))
{
try
{
if (File.Exists(System.IO.Path.Combine(rootpath, item.FileUrl)))
{
var curMonth = DateTime.Now.ToString("yyyyMM");
if (!Directory.Exists(System.IO.Path.Combine(rootpath, curMonth)))
{
Directory.CreateDirectory(System.IO.Path.Combine(rootpath, curMonth));
}
var newpath = item.FileUrl.Replace("temp\\", curMonth + "\\");
if (!copyfiles.ContainsKey(System.IO.Path.Combine(rootpath, item.FileUrl)))
{
copyfiles.Add(System.IO.Path.Combine(rootpath, item.FileUrl),
System.IO.Path.Combine(rootpath, newpath));
}
item.FileUrl = newpath;
VisitFile visitFile = new VisitFile();
visitFile.FileID = Guid.NewGuid().ToString("N");
visitFile.FileUrl = item.FileUrl;
visitFile.FileName = item.FileName;
visitFile.OutID = visitID;
visitFile.Type = type;
db.VisitFiles.Add(visitFile);
}
}
catch (Exception ex)
{
LogHelper.WriteError(ex);
}
}
}
}
}
public async Task <HttpResponseMessage> Download(string id)
{
return(await Task.Run <HttpResponseMessage>(() =>
{
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
VisitFile visitFile = null;
using (var db = new DBEntities())
{
visitFile = db.VisitFiles.Where(t => t.FileID == id).FirstOrDefault();
}
var rootpath = ConfigurationManager.AppSettings["rootpath"].ToString();
if (visitFile != null)
{
var filePath = System.IO.Path.Combine(rootpath, visitFile.FileUrl);
if (File.Exists(filePath))
{
var stream = File.OpenRead(filePath);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
result.Content.Headers.Add("Content-Disposition", "attachment;filename=\"" + HttpUtility.UrlEncode(visitFile.FileName) + "\"");
return result;
}
}
else if (visitFile == null)
{
var filePath = System.IO.Path.Combine(rootpath, id + ".xls");
var filezipPath = System.IO.Path.Combine(rootpath, id + ".zip");
if (File.Exists(filezipPath))
{
var stream = File.OpenRead(filezipPath);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
result.Content.Headers.Add("Content-Disposition", "attachment;filename=\"" + HttpUtility.UrlEncode(id) + ".zip\"");
return result;
}
else if (File.Exists(filePath))
{
var stream = File.OpenRead(filePath);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/ms-excel");
result.Content.Headers.Add("Content-Disposition", "attachment;filename=\"" + HttpUtility.UrlEncode(id) + ".xls\"");
return result;
}
}
throw new HttpException(404, "无效文件");
}));
}
