/// <summary>
/// 合并文件
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public Tuple <bool, string, string> CombinFileMerge(string ID, string UploadFilePath, bool rename = false)
{
var user = SessionInfo.GetSession("GlobalConstParam.UserInfo");
if (user == null)
{
return(Tuple.Create(false, new ErrorMsg().GetCodeMsg("-1004"), ""));
}
var fileName = ResquestUtil.GetValue("fileName");
string savefilename = fileName;
if (rename)
{
savefilename = Guid.NewGuid().ToString() + Path.GetExtension(fileName);
}
var path = Path.Combine(UploadFilePath, "UserInfo.GetCurrentUserInfo().accountName", Path.GetFileNameWithoutExtension(fileName));// Server.MapPath("~/App_Data/") + Path.GetFileNameWithoutExtension(fileName);
//这里排序一定要正确，转成数字后排序（字符串会按1 10 11排序，默认10比2小）
if (!Directory.Exists(Path.Combine(UploadFilePath, ID)))//判断是否存在此路径，如果不存在则创建
{
Directory.CreateDirectory(Path.Combine(UploadFilePath, ID));
}
foreach (var filePath in Directory.GetFiles(path).OrderBy(t => int.Parse(Path.GetFileNameWithoutExtension(t))))
{
using (FileStream fs = new FileStream(Path.Combine(UploadFilePath, ID, savefilename), FileMode.Append, FileAccess.Write))
{
byte[] bytes = System.IO.File.ReadAllBytes(filePath); //读取文件到字节数组
fs.Write(bytes, 0, bytes.Length); //写入文件
}
System.IO.File.Delete(filePath);
}
Directory.Delete(Path.Combine(UploadFilePath, "UserInfo.GetCurrentUserInfo().accountName", Path.GetFileNameWithoutExtension(fileName)), true);
return(Tuple.Create(true, fileName + "_长传成功", savefilename));
}
public Tuple <bool, string> UploadMergeFile(string UploadFilePath)
{
var chunk = ResquestUtil.GetValue("chunk"); //当前是第多少片
var path = Path.Combine(UploadFilePath, "UserInfo.GetCurrentUserInfo().accountName", Path.GetFileNameWithoutExtension(HttpContext.Current.Request.Files[0].FileName)); // Server.MapPath("~/App_Data/") + Path.GetFileNameWithoutExtension(Request.Files[0].FileName);
if (!Directory.Exists(path)) //判断是否存在此路径，如果不存在则创建
{
Directory.CreateDirectory(path);
}
if (HttpContext.Current.Request.Files.Count > 0 && !HttpContext.Current.Request.Form.AllKeys.Any(m => m == "chunk"))
{
HttpContext.Current.Request.Files[0].SaveAs(Path
.Combine(path, "0"));
}
else
{
//保存文件到根目录 App_Data + 获取文件名称和格式
var filePath = path + "/" + chunk;
//创建一个追加（FileMode.Append）方式的文件流
using (FileStream fs = new FileStream(filePath, FileMode.Append, FileAccess.Write))
{
using (BinaryWriter bw = new BinaryWriter(fs))
{
//读取文件流
BinaryReader br = new BinaryReader(HttpContext.Current.Request.Files[0].InputStream);
//将文件留转成字节数组
byte[] bytes = br.ReadBytes((int)HttpContext.Current.Request.Files[0].InputStream.Length);
//将字节数组追加到文件
bw.Write(bytes);
}
}
}
return(Tuple.Create(true, "文件上传成功"));
}
