addenhanced.ascx.cs

Maolz个人展示网站源码,全部的代码,.net

using System;
using System.Collections;
using System.Configuration;
using System.Data;
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;

namespace MySite.WebUI.Controls.FileUpload
{
    using SubSonic.Generated;
    using SubSonic;
    using MySite.Utils;
    public partial class AddEnhanced : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if(this.IsPostBack)
                _SaveUpload();
        }

        private bool _SaveUpload()
        {
            int filenum = Convert.ToInt32(this.Request["filenum"]);
            /// '状态信息
            System.Text.StringBuilder sb = new System.Text.StringBuilder();
            sb.Append("上传的文件分别是：<hr color=green>");
            try
            {
                for(int i=1;i<=filenum;i++)
                {
                    bool isSuccess = true;
                    System.Text.StringBuilder strMsg = new System.Text.StringBuilder();

                    ///'检查文件扩展名字
                    HttpPostedFile postedFile = this.Request.Files["file"+i.ToString()];
                    string fileName, fileExtension;
                    fileName = System.IO.Path.GetFileName(postedFile.FileName);
                    if (fileName != "")
                    {
                        fileExtension = System.IO.Path.GetExtension(fileName);
                        strMsg.Append("文件" + i.ToString()+"&nbsp;");
                        strMsg.Append("客户端文件地址：" + postedFile.FileName + "&nbsp;");
                        ///'可根据扩展名字的不同保存到不同的文件夹
                        ///注意：可能要修改你的文件夹的匿名写入权限。
                        //判断是否已存在同名文件
                        if(!string.IsNullOrEmpty(this.Request["txtFileName"+i.ToString()]))
                            fileName=this.Request["txtFileName"+i.ToString()];
                        strMsg.Append("欲上传文件的文件名：" + fileName + "&nbsp;");
                        if (System.IO.File.Exists(this.Request.MapPath(ConfigurationManager.AppSettings["Path"]+"Upload/") + fileName))
                        {
                            if (string.IsNullOrEmpty(this.Request["chkbxIsOverride" + i.ToString()]))
                            {
                                isSuccess = false;
                                strMsg.Append("上传失败，由于存在已存在同名文件，并未勾选覆盖选项");
                            }
                            else 
                            {
                                postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath(ConfigurationManager.AppSettings["Path"] + "Upload/") + fileName);
                            }
                        }
                        else {
                            postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath(ConfigurationManager.AppSettings["Path"] + "Upload/") + fileName);
                            strMsg.Append("上传成功");
                            TagCollection tagColl=Tag.UpdateAndReturnTags(this.Request["txtTag"+i.ToString()]);
                            FileLog fl = new FileLog();
                            fl.FileUrl = "Upload/" + fileName;
                            fl.Description = this.Request["txtDesciption" + i.ToString()];
                            fl.Username = HttpContext.Current.User.Identity.Name;
                            fl.Save();
                            FileLog.SaveTagMap(fl.PKId, tagColl);                        
                        }
                        
                        if (isSuccess) 
                        {
                            sb.AppendFormat(@"<FONT SIZE=""3"" COLOR=""blue"">{0}</FONT><br>",strMsg.ToString());
                        }
                        else
                        {
                            sb.AppendFormat(@"<FONT SIZE=""3"" COLOR=""red"">{0}</FONT><br>",strMsg.ToString());
                        }
                    }
                }
                strStatus.Text = sb.ToString();
                return true;
            }
            catch (System.Exception Ex)
            {
                strStatus.Text = Ex.Message;
                return false;
            }

        }
    }
}