C# WEB.API 多图上传

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;
namespace WebApi.Controllers
{
    public class UploadController : ApiController
    {
        public void Up()
        {
            //多图上传
            HttpContext context = HttpContext.Current;
            HttpFileCollection files = context.Request.Files;
            string path = context.Request.MapPath("~/");
            string strPath = path + "App_Data/";
            for (int i = ; i < files.Count; i++)
            {
                strPath += files[i].FileName;
                files[i].SaveAs(strPath);
            }
            context.Response.Clear();
            context.Response.Write(strPath);
            context.Response.End();
        }
    }
}