LK.Shop.Web/Inc/Upload_Base.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;

namespace LK.Shop.Web.Inc
{
    public partial class Upload_Base : System.Web.UI.Page
    {
        LK.Shop.BLL.Upload uploadBll = new BLL.Upload();
        LK.Shop.Model.Upload uploadModel = new Model.Upload();

        protected void Page_Load(object sender, EventArgs e)
        {
            this.FileUpload.Attributes.Add("onchange", "do_fileselect('" + Request.QueryString["rname"] + "');");
            this.Button_up.Attributes.Add("onclick", "return do_isup('" + Request.QueryString["rname"] + "');");
            this.Button_up.Attributes.Add("disabled", "disabled");
        }

        protected void Button_up_Click(object sender, EventArgs e)
        {
            // 初始化变量
            string inputname = "FileUpload";//表单文件域name
            string rname = Request.QueryString["rname"];//返回信息的input
            string attachdir = "/upload";     // 上传文件保存路径，结尾不要带/
            int dirtype = 1;                 // 1:按天存入目录 2:按月存入目录 3:按扩展名存目录  建议使用按天存
            int maxattachsize = Convert.ToInt32(2) * 1024 * 1024;     // 最大上传大小，默认是2M
            string upext = "zip,rar,txt,doc,docx,xls,xlsx,jpg,jpeg,gif,png,bmp,swf,wmv,avi,wma,mp3,mid";    // 上传扩展名
            byte[] file;                     // 统一转换为byte数组处理
            string localname = "";
            string backmsg = "";

            HttpFileCollection filecollection = Request.Files;
            HttpPostedFile postedfile = filecollection.Get(inputname);

            // 读取原始文件名
            localname = postedfile.FileName;
            // 初始化byte长度.
            file = new Byte[postedfile.ContentLength];

            // 转换为byte类型
            System.IO.Stream stream = postedfile.InputStream;
            stream.Read(file, 0, postedfile.ContentLength);
            stream.Close();

            filecollection = null;

            if (file.Length == 0)
            {
                backmsg = "0|请选择相应的上传文件.";
            }
            else
            {
                if (file.Length > maxattachsize)
                {
                    backmsg = "0|文件大小超过" + maxattachsize + "字节.";
                }