public IActionResult Merge()
{
var result = new ResultAdaptDto();
try
{
string guid = RequestHelper.GetQueryString("guid");
string fileName = RequestHelper.GetQueryString("fileName");
var tempDir = GlobalContext.WebRootPath + "/UploadTemp/" + guid; // 缓存文件夹
var targetDir = GlobalContext.WebRootPath + "/upfiles/videos/" + DateTime.Now.ToString("yyyyMMdd"); // 目标文件夹
//uploadfile,uploadvideo
string action = RequestHelper.GetPostString("action");
if (action == "uploadfile")
{
targetDir = GlobalContext.WebRootPath + "/upfiles/attachments/" + DateTime.Now.ToString("yyyyMMdd"); // 目标文件夹
}
if (!System.IO.Directory.Exists(targetDir))
{
System.IO.Directory.CreateDirectory(targetDir);
}
int index = fileName.LastIndexOf('.');
string extName = fileName.Substring(index);
string guidFileName = IdHelper.ObjectId() + extName;
var finalPath = Path.Combine(targetDir, guidFileName);
var files = System.IO.Directory.GetFiles(tempDir);//获得下面的所有文件
using (FileStream fs = System.IO.File.Create(finalPath))
{
foreach (var part in files.OrderBy(x => x.Length).ThenBy(x => x))//排一下序，保证从0-N Write
{
var bytes = System.IO.File.ReadAllBytes(part);
fs.Write(bytes, 0, bytes.Length);
bytes = null;
System.IO.File.Delete(part);//删除分块
}
fs.Flush();
}
string returnPath = "/upfiles/videos/" + DateTime.Now.ToString("yyyyMMdd") + "/" + guidFileName;
if (action == "uploadfile")
{
returnPath = "/upfiles/attachments/" + DateTime.Now.ToString("yyyyMMdd") + "/" + guidFileName;
}
result.data.Add("url", returnPath);
//文件合并完成后移除缓存
FileChunkCache.RemoveChunkId(guid);
result.data.Add("fileName", fileName);
}
catch (Exception ex)
{
result.status = false;
result.message = ex.Message;
}
return(Content(result.ToJson()));
}
