using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Script.Serialization;

namespace DSWeb.SoftMng.Controllers
{
    public class FileInputHandlerController : Controller
    {
        /// <summary>
        /// 通用附件上传处理（多附件保存）
        /// </summary>
         public JsonResult Upload()
        {
            try
            {
                ArrayList pathlist = new ArrayList();
                for (var i=0;i< Request.Files.Count;i++)
                {
                    HttpPostedFileBase uploadFile = Request.Files[i];
                    if (uploadFile != null && uploadFile.ContentLength > 0)
                    {
                        var relativepath = "../../UploadFiles/Filepuload/" + DateTime.Now.ToString("yyyyMM");//保存的相对路径
                        var path = Server.MapPath(relativepath);//获取物理路径(按年月创建文件夹分类)
                        if (!Directory.Exists(path)) Directory.CreateDirectory(path);
                        var extension = Path.GetExtension(uploadFile.FileName);
                        var filepath = "\\" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_" + new Random().Next(100, 999) + extension;//随机生成文件名
                        path += filepath;
                        if (System.IO.File.Exists(path)) System.IO.File.Delete(path);
                        uploadFile.SaveAs(path);
                        pathlist.Add(relativepath + filepath);//相对路径数组
                    }
                }
                return Json(new { success = true, data = pathlist });
            }
            catch (Exception se)
            {
                return Json(new { success = false, msg = se.Message });
            }
        }
        /// <summary>
        /// 通用附件删除处理
        /// </summary>
        public JsonResult Delete(List<FileClass> filepath)
        {
            try
            {
                var filepathjson = Request["filepath"];
                if (!String.IsNullOrEmpty(filepathjson))
                    filepath = new JavaScriptSerializer().Deserialize<List<FileClass>>(filepathjson);
                foreach (var item in filepath)
                {
                    var path = Server.MapPath(item.url);//获取物理路径
                    if (System.IO.File.Exists(path)) System.IO.File.Delete(path);
                }
                return Json(new { success = true, msg = "删除成功" });
            }
            catch (Exception se)
            {
                return Json(new { success = false, msg = se.Message });
            }
        }
    }

    public class FileClass
    {
        public string key { get; set; }
        public long size { get; set; }
        public string url { get; set; }
    }
}