netQT/teacher_index3.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class netQT_teacher_index3 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        UpLoadFile(FileUpload1, Label1);
    }
    public void UpLoadFile(FileUpload fUpLoad, Label lbShowMsg)
    {
        bool Flag = false;
        string filePath = Server.MapPath(Request.ApplicationPath + "\\daima\\");
        if (fUpLoad.HasFile)
        {
            string fileExt = System.IO.Path.GetExtension(fUpLoad.FileName).ToLower();
            string[] allowedExt ={ ".txt", ".doc", ".xml", ".jpg", ".rar", ".ppt", ".htm" };
            for (int i = 0; i < allowedExt.Length; i++)
            {
                if (fileExt == allowedExt[i])
                {
                    Flag = true;
                }
            }
        }
        else
        {
            lbShowMsg.ForeColor = System.Drawing.Color.Red;
            lbShowMsg.Text = "请选择要上传的文件！";

        }
        if (fUpLoad.PostedFile.ContentLength > 1024000)
        {
            Flag = false;
        }
        if (Flag)
        {
            try
            {
                fUpLoad.PostedFile.SaveAs(filePath + fUpLoad.FileName);
                string strSql = "insert into T_shijuan(SJname,SJurl)values('" + fUpLoad.FileName + "','" + "../daima/" + fUpLoad.FileName + "')";
                new DBExec().execSqlNoQry(strSql);
                lbShowMsg.ForeColor = System.Drawing.Color.Green;
                lbShowMsg.Text = "文件上传成功！";
                Response.Write("<script language='JavaScript' type='text/javascript'>alert('文件上传成功！');self.close();</script>");

            }