Asp.Net或WebAPI获取表单数据流，批量文件上传
//Web或WebAPI获取表单数据流(批量文件上传)
public JsonResult UploadFile()
{
//HttpPostedFileBase fileBase = Request.Files["fileToUploadKeyID"];
HttpPostedFileBase fileBase = Request.Files[0]; //获取客户端上载的文件的集合
string resultUrl = string.Empty;//相对文件路径
string errMsg = string.Empty;
if (fileBase == null || fileBase.ContentLength == 0)
{
errMsg = "文件为空";
}
else
{
int MaxSize = 1024 * 1024 * 4;
if (fileBase.InputStream.Length > MaxSize)
{
errMsg = "文件过大";
}
else
{
try
{
//循环遍历批量上传的文件
for (int i = 0; i < Request.Files.Count; i++)
{
fileBase = Request.Files[i];
var Name = System.IO.Path.GetFileName(fileBase.FileName);
var fileName = "/upload/" + DateTime.Now.ToString("yyMMddHHmmssffff") + "." + Name.Split('.')[1];
var filePath = System.Web.HttpContext.Current.Server.MapPath(fileName);
fileBase.SaveAs(filePath);//保存文件
resultUrl += fileName + ";";//拼接文件相对路径
}
}
catch
{
errMsg = "上传失败";
}
}
}
return Json(new { errMsg = errMsg, resultUrl = resultUrl.Trim(';') });
}