图片上传 自动创建文件夹并重命名(带缩略图)
后台:
[HttpPost]
public ActionResult WanSell_UploadPicture(ProductGalleryModels picturegm)
{
var users = Session["onlineUsers"] as List;
string usename = users[].CUserName.ToString(); //获取用户名
string randomName = DateTime.Now.ToFileTime().ToString(); //系统当前时间为图片名称
HttpPostedFileBase file = Request.Files["fileToUpload"];//获取客户端上传的图片
string pictureName = file.FileName; //上传图片的原名
string extensionName = System.IO.Path.GetExtension(pictureName);//获取扩展名
int randomcode = BaseRandom.GetRandom(, ); //产生随机数
string newName = string.IsNullOrEmpty(pictureName.Trim()) ? "" : usename + randomcode + randomName + System.IO.Path.GetExtension(pictureName); //重命名图片
if (picturegm.ImgDescription != null && picturegm.ImgDescription != "&#