using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Text;
using System.IO;
using Asiastar.NRModel;
using Asiastar.NRBLL;

namespace Asiastar.NR.FileOperation
{
    public partial class UpLoad : System.Web.UI.Page
    {
        public string method = "";
        public string FolderId = "";
        //public string FileTypeImg = "";
        protected void Page_Load(object sender, EventArgs e)
        {
            FolderId = Request["id"].ToString();
            /*判断用户是否登录*/
            if (Session["username"] == null)
            {
                Response.Redirect("Default.aspx");
            }
            /*判断form表单中的按钮是否被点击*/
            method = Request.Form["method"];
            if (!string.IsNullOrEmpty(method) && method.Equals("Upload"))
            {
                FN_UpFiles();//调用函数
            }
        }

        #region    上传文件到数据库和服务器
        public void FN_UpFiles()
        {

            //遍历File表单元素
            HttpFileCollection files = HttpContext.Current.Request.Files;
            try
            {
                for (int iFile = 0; iFile < files.Count; iFile++)
                {
                    //检查文件扩展名字
                    HttpPostedFile postedFile = files[iFile];
                    string fileName = "";//定义文件名
                    //string fileExtension = "";
                    fileName = Path.GetFileName(postedFile.FileName);//得到上传文件的完整名称 即文件名+后缀名
                    int index = fileName.IndexOf(".");
                    string FileType = fileName.Substring(index).ToLower();//截取文件后缀名
                    //FileTypeImg = "../FileTypeimg/" + hz + ".gif";
                    Guid fileGuid = Guid.NewGuid();//生成新的文件名称 以GUID命名防止文件名相同
                    string NewFileName = fileGuid.ToString();//新的文件名
                    NewFileName = NewFileName + FileType;//新的文件名+后缀名

                    if (fileName != "")//如果文件名不为空
                    {
                        try
                        {
                            //文件虚拟路径
                            string strpath = System.Web.HttpContext.Current.Server.MapPath("~/Upload/") + NewFileName;
                            try
                            {
                                NRModel.File model = new NRModel.File();
                                NRBLL.File bf = new NRBLL.File();
                                Guid guid1 = Guid.NewGuid();
                                Guid guid2 = new Guid(FolderId);
                                Guid guid3 = Guid.NewGuid();
                                Guid guid4 = Guid.NewGuid();
                                model.Fileid = guid1;
                                model.Folderid = guid2;
                                model.Filepath = strpath;
                                model.FileNam = fileName;
                                model.FileSize = postedF