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()));
}
public IActionResult SaveChunkFile()
{
var result = new ResultAdaptDto();
//uploadfile,uploadvideo
string action = RequestHelper.GetPostString("action");
string guid = RequestHelper.GetPostString("guid");
string fileName = RequestHelper.GetPostString("name");
string chunk = RequestHelper.GetPostString("chunk");
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
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);
}
var file = Request.Form.Files[0];
int index = fileName.LastIndexOf('.');
string extName = fileName.Substring(index);
//单文件小于分片大小的直接保存下来
if (file.Length < THUNK_SIZE)
{
//判断是否是单文件
if (!FileChunkCache.ExistChunk(guid))
{
string guidFileName = $"{IdHelper.ObjectId()}{extName}";
//这个hostingEnv.WebRootPath就是要存的地址可以改下
string newfilename = Path.Combine(targetDir, guidFileName);
using (FileStream fs = System.IO.File.Create(newfilename))
{
file.CopyTo(fs);
fs.Flush();
}
string returnPath = "/upfiles/videos/" + DateTime.Now.ToString("yyyyMMdd") + "/" + guidFileName;
if (action == "uploadfile")
{
returnPath = "/upfiles/attachments/" + DateTime.Now.ToString("yyyyMMdd") + "/" + guidFileName;
}
result.status = true;
result.statusCode = 200;
result.data.Add("url", returnPath);
result.data.Add("fileName", fileName);
return(Content(result.ToJson()));
}
}
//添加分片id缓存
FileChunkCache.AddChunkId(guid);
//大于分片大小的直接保存下来
if (!System.IO.Directory.Exists(tempDir))
{
System.IO.Directory.CreateDirectory(tempDir);
}
string filePath = tempDir + "/" + chunk.ToString() + extName;
//file.SaveFile(filePath);
using (FileStream fs = System.IO.File.Create(filePath))
{
file.CopyTo(fs);
fs.Flush();
}
return(Content(result.ToJson()));
}
