asp.net 实现批量上传

UpLoadTools.cs

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.IO;
using System.Threading;
namespace cofcms
{
    public class UpLoadTools
    {
        public static string[] UpLoadImage(string ServerPath)
        {
            //获取所有的上传控件
            var files = System.Web.HttpContext.Current.Request.Files;
            string[] fileall = new string[files.Count];
            if (files != null)
            {
                for (int i = 0; i < files.Count; i++)
                {
                    string imagename = Path.GetFileName(files[i].FileName);
                    string fileExtension = Path.GetExtension(imagename);
                    string image = DateTime.Now.ToString("yyyyMMddhhmmssms") + fileExtension;
                    files[i].SaveAs(System.Web.HttpContext.Current.Server.MapPath(ServerPath) + image);
                    fileall.SetValue(image, i);
                    Thread.Sleep(100);
                }
            }
            return fileall;
        }
    }
}