Web/Tools/DeleteArticleAlbumFile.ashx.cs

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using System;
using System.Web;
using System.Web.SessionState;
using System.IO;
using Common;
using Web.UI;

namespace Web.Tools
{
    /// <summary>
    /// 删除PicturesAlbum记录及图片
    /// </summary>
    public class DeleteArticleAlbumFile : IHttpHandler, IRequiresSessionState
    {

        public void ProcessRequest(HttpContext context)
        {
            //检查是否登录后上传操作
            if (!new ManagePage().IsAdminLogin())
            {
                context.Response.Write("{msg: 0, msbox: \"请登录后再进行上传文件！\"}");
                return;
            }
            int _fileid;
            string _delfile = context.Request.Params["delfile"];

            //删除数据库记录
            if (int.TryParse(context.Request.Params["fileid"] as string, out _fileid))
            {
                BLL.ArticleAlbum bll = new BLL.ArticleAlbum();
                bll.Delete(_fileid);
            }
            //删除已存在的文件
            if (!string.IsNullOrEmpty(_delfile))
            {
                string _filename = Utils.GetMapPath(_delfile);
                if (!File.Exists(_filename))
                {
                    context.Response.Write("{msg: 0, msbox: \"要删除" + _delfile + "的文件不存在！\"}");
                    return;
                }
                File.Delete(_filename);
            }
            //返回成功信息
            context.Response.Write("{msg: 1, msbox: \"" + _delfile + "\"}");
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}