?? login.aspx.cs
字號(hào):
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace MyChat
{
/// <summary>
/// Login 的摘要說(shuō)明。
/// </summary>
public class Login : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox txtNickName;
protected System.Web.UI.WebControls.TextBox txtPassword;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvPassword;
protected System.Web.UI.WebControls.TextBox txtValidateCode;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvNickName;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvValidateCode;
protected System.Web.UI.WebControls.CustomValidator cvValidateCode;
protected System.Web.UI.WebControls.Label lblError;
protected System.Web.UI.WebControls.Button btnLogin;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此處放置用戶代碼以初始化頁(yè)面
}
#region Web 窗體設(shè)計(jì)器生成的代碼
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 該調(diào)用是 ASP.NET Web 窗體設(shè)計(jì)器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 設(shè)計(jì)器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內(nèi)容。
/// </summary>
private void InitializeComponent()
{
this.cvValidateCode.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.cvValidateCode_ServerValidate);
this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void btnRegister_Click(object sender, System.EventArgs e)
{
}
private void btnLogin_Click(object sender, System.EventArgs e)
{
if (this.IsValid)
{
SqlConnection cn=DBOperate.GetConnection();
SqlCommand cmd=new SqlCommand("Select * from UserInfo Where NickName=@NickName and Password=@Password",cn);
cmd.Parameters.Add("@NickName",txtNickName.Text);
cmd.Parameters.Add("@Password",txtPassword.Text);
cn.Open();
SqlDataReader dr=cmd.ExecuteReader();
if (dr.Read())
{
UserInfo ui=new UserInfo();
ui.NickName=dr["NickName"].ToString();
ui.Sex=(bool)dr["Sex"];
ui.FaceID=dr["FaceID"].ToString();
ui.Birthday=(DateTime)dr["Birthday"];
ui.Password=dr["Password"].ToString();
ui.LastLoginIP=Request.UserHostAddress;
ui.LastLoginTime=DateTime.Now;
UpdateUserInfo(ui);
Session["User"]=ui;
lock (App.Users)
{
foreach (UserInfo user in App.Users)
{
if (user.NickName==ui.NickName) App.Users.Remove(user);
break;
}
App.Users.Add(ui);
}
cn.Close();
Response.Redirect("Main.aspx");
}
else
{
lblError.Visible=true;
}
}
}
private void UpdateUserInfo(UserInfo ui)
{
SqlConnection cn=DBOperate.GetConnection();
SqlCommand cmd=new SqlCommand("Update UserInfo set LastLoginIP=@LastLoginIP,LastLoginTime=@LastLoginTime Where NickName=@NickName",cn);
cmd.Parameters.Add("@LastLoginIP",ui.LastLoginIP);
cmd.Parameters.Add("@LastLoginTime",ui.LastLoginTime);
cmd.Parameters.Add("@NickName",ui.NickName);
cn.Open();
cmd.ExecuteNonQuery();
cn.Close();
}
private void cvValidateCode_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
{
if (Session["CheckCode"]==null)
{
cvValidateCode.ErrorMessage="驗(yàn)證碼已過(guò)期,請(qǐng)重新填寫(xiě)";
}
else if (Session["CheckCode"].ToString().ToLower()!=txtValidateCode.Text.ToLower())
{
cvValidateCode.ErrorMessage="驗(yàn)證碼填寫(xiě)錯(cuò)誤";
args.IsValid=false;
}
}
}
}
?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -