FLOWER/Login.aspx.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Common;
namespace FLOWER
{
    public partial class Login : System.Web.UI.Page
    {
        Common.SQLHelper helper = new SQLHelper();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack) 
            {
                
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
              string checkCode = vcode.Value;
              if (Session["CheckCode"] == null)
              {
                  ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), System.DateTime.Now.Ticks.ToString(), "layer.alert('验证码超时！', {icon: 2,kin: 'layer-ext-moon',closeBtn: 0 });", true);
              }
              else
              {
                  string code = Session["CheckCode"].ToString();
                  if (checkCode.ToLower() != code.ToLower())
                  {
                      ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), System.DateTime.Now.Ticks.ToString(), "layer.alert('验证码不正确！', {icon: 2,kin: 'layer-ext-moon',closeBtn: 0 });", true);
                  }
                  else
                  {
                      DataTable dt = helper.Query("select * from [User] where LoginName = '" + username.Value + "' and PassWord = '" + password.Value + "'").Tables[0];
                      if (dt.Rows.Count > 0) {
                          Session["UserName"] = dt.Rows[0]["UserName"].ToString();
                          Session["UserId"] = dt.Rows[0]["UserId"].ToString();
                          Session["LoginName"] = dt.Rows[0]["LoginName"].ToString();
                          Response.Redirect("Index.aspx");

                      }
                      else {
                          ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), System.DateTime.Now.Ticks.ToString(), "layer.alert('账号或密码不正确！', {icon: 2,kin: 'layer-ext-moon',closeBtn: 0 });", true);
                      }
                  }
              }
        }
    }
}