/// <summary>
/// 下载文件
/// </summary>
/// <param name="url"></param>
/// <param name="save_path"></param>
/// <returns></returns>
public static UpLoadFileResult DownloadFile(string url, string save_path)
{
var model = new UpLoadFileResult();
Action <HttpWebResponse, HttpStatusCode> callback = (res, status) =>
{
if (status != HttpStatusCode.OK)
{
throw new Exception($"status:{status}");
}
using (var s = res.GetResponseStream())
{
IOHelper.CreatePathIfNotExist(save_path);
model.SuccessPreparePath = true;
var ext = string.Empty;
var sp = url.Split('.');
if (sp.Length > 1)
{
ext = "." + sp[sp.Length - 1];
}
if (!ValidateHelper.IsPlumpString(ext))
{
ext = GetExtByContentType(res.ContentType);
}
var file_path = Path.Combine(save_path, Com.GetUUID() + ext);
using (var fs = new FileStream(file_path, FileMode.Create, FileAccess.Write))
{
var len = 0;
var bs = new byte[1024];
while ((len = s.Read(bs, 0, bs.Length)) > 0)
{
fs.Write(bs, 0, len);
}
fs.Flush();
var fileinfo = new FileInfo(file_path);
model.OriginName = model.FileName = fileinfo.Name;
model.WebPath = "/";
model.FileExtension = fileinfo.Extension;
model.DirectoryPath = fileinfo.Directory?.FullName;
model.FilePath = fileinfo.FullName;
model.FileSize = (int)fileinfo.Length;
model.Info = fileinfo.LastWriteTime.ToString();
model.SuccessUpload = true;
}
}
};
SendCore(url, callback, method: RequestMethodEnum.GET, timeout: TimeSpan.FromSeconds(60));
return(model);
}
public object UpLoadFile(HttpContext context)
{
string data = context.Request["data"];
MDictionary <string, string> dic = new MDictionary <string, string>();
if (!string.IsNullOrEmpty(data))
{
dic = JsonConvert.DeserializeObject <MDictionary <string, string> >(data);
}
string progId = dic["ProgId"];
HttpFileCollection postedFile = context.Request.Files;
FileTransferService service = new FileTransferService();
for (int i = 0; i < postedFile.Count; i++)
{
UpLoadFileResult ret = service.UpLoadFile1(postedFile[i], progId);
return(new { uploaded = 1, fileName = ret.FileName, url = ret.FileName, });
}
return(null);
}
