# 会员注册与登录模块
来源:互联网 发布:centos7 网络配置文件 编辑:程序博客网 时间:2024/04/29 19:56
首先分别新建三个网页,register.aspx,login.aspx, yzm.aspx分别用于用户的注册,登录以及验证码的生成。
register.aspx前台代码:
1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="register.aspx.cs" Inherits="_Default" %> 2 3 <!DOCTYPE html> 4 5 <html xmlns="http://www.w3.org/1999/xhtml"> 6 <head runat="server"> 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 8 <title>注册页面</title> 9 <style type ="text/css">10 .wrap {11 padding-top:40px;12 margin:0 auto;13 width:760px;14 height:426px;15 }16 .auto-style1 {17 width: 399px;18 }19 </style>20 </head>21 <body>22 <form id="form1" runat="server">23 <table>24 <tr>25 <td>用户名:</td><td class="auto-style1"><asp:TextBox ID ="txtName" runat ="server" AutoPostBack="true" OnTextChanged ="txtName_TextChanged"></asp:TextBox><asp:Label ID ="labuser" runat ="server"></asp:Label></td>26 </tr>27 <tr>28 <td>密码:</td><td class="auto-style1"><asp:TextBox ID ="txtPass" runat ="server" TextMode ="Password" Width="149px"></asp:TextBox></td>29 </tr>30 <tr>31 <td>重复密码:</td><td class="auto-style1"><asp:TextBox ID ="txtQpass" runat ="server" TextMode ="Password" Width="149px"></asp:TextBox></td>32 </tr>33 <tr>34 <td>昵称:</td><td class="auto-style1"><asp:TextBox ID ="txtNickName" runat ="server"></asp:TextBox></td>35 </tr>36 <tr>37 <td>性别:</td><td class="auto-style1"><asp:RadioButton ID ="radnan" runat ="server" Text ="男" GroupName ="sex" Width ="80px"/><asp:RadioButton ID ="radnv" runat ="server" Text ="女" GroupName ="sex" Width ="80px"/></td>38 </tr>39 <tr>40 <td>电话:</td><td class="auto-style1"><asp:TextBox ID ="txtPhone" runat ="server"></asp:TextBox></td>41 </tr>42 <tr>43 <td>E-mail:</td><td class="auto-style1"><asp:TextBox ID ="txtEamil" runat ="server"></asp:TextBox></td>44 </tr>45 <tr>46 <td>所在城市:</td><td class="auto-style1"><asp:TextBox ID ="txtCity" runat ="server"></asp:TextBox></td>47 </tr>48 <tr>49 <td><asp:Button ID ="btnregister" runat ="server" Text ="注册" OnClick ="btnregister_Click"/></td><td class="auto-style1"><asp:Button ID ="btnreturn" runat ="server" Text="返回" PostBackUrl ="~/Default.aspx" CausesValidation ="true"/></td>50 </tr>51 </table>52 </form>53 </body>54 </html>
register.aspx.cs后台代码:
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 8 using System.Data; 9 using System.Web.Security; 10 using System.Configuration; 11 using System.Data.SqlClient; 12 using System.Text.RegularExpressions; 13 14 public partial class _Default : System.Web.UI.Page 15 { 16 protected void Page_Load(object sender, EventArgs e) 17 { 18 } 19 20 /// <summary> 21 /// 当焦点移出文本框时,判断用户是否存在,以及输入的字符格式是否符合规定. 22 /// </summary> 23 /// <param name="sender"></param> 24 /// <param name="e"></param> 25 protected void txtName_TextChanged(object sender, EventArgs e) 26 { 27 if (this.txtName.Text == "") 28 { 29 //如果没有输入用户名,则提示用户名不能为空. 30 this.labuser.Text = " * 用户名称不能为空!"; 31 32 //改变提示lable控件文字的颜色. 33 this.labuser.ForeColor = System.Drawing.Color.Red; 34 } 35 else 36 { 37 if (isnameFormar())//调用isnameFormar方法,判断用户名是否符合格式要求. 38 { 39 if (isName())//调用iaName方法,判断用户名是否已经存在. 40 { 41 //已经注册,则提示. 42 this.labuser.Text = " * 该用户已经注册!"; 43 44 //改变提示lable控件文字的颜色. 45 this.labuser.ForeColor = System.Drawing.Color.Red; 46 } 47 else 48 { 49 //没有注册,则提示可以注册. 50 this.labuser.Text = " * 可以注册!"; 51 52 //改变提示lable控件文字的颜色. 53 this.labuser.ForeColor = System.Drawing.Color.Red; 54 } 55 } 56 else 57 { 58 //格式不对,则提示 59 this.labuser.Text = " * 用户名格式不对!"; 60 61 //改变提示lable控件文字的颜色. 62 this.labuser.ForeColor = System.Drawing.Color.Red; 63 } 64 } 65 } 66 67 /// <summary> 68 /// 注册按钮的事件 69 /// </summary> 70 /// <param name="sender"></param> 71 /// <param name="e"></param> 72 protected void btnregister_Click(object sender, EventArgs e) 73 { 74 if (isnameFormar()) 75 { 76 if (isName()) 77 { 78 this.labuser.Text = "用户名已经存在!"; 79 80 this.labuser.ForeColor = System.Drawing.Color.Red; 81 82 RegisterStartupScript("", "<script>alert('请输入正确信息!')</script>");//不报错,但是已过时,在.NET3.5和4.0中有更好的方法替代他们。 83 } 84 else 85 { 86 //获取用户名 87 string username = this.txtName.Text.Trim(); 88 89 //获取用户填写的密码,并用MD5进行加密. 90 string userpass = FormsAuthentication.HashPasswordForStoringInConfigFile(this.txtPass.Text, "MD5");//不报错,但是已过时,在.NET3.5和4.0中有更好的方法替代他们。 91 92 //获取昵称 93 string nickname = this.txtNickName.Text; 94 95 //获取性别 96 string sex = string.Empty; 97 if (this.radnan.Checked) 98 { 99 sex = "男";100 }101 else if (this.radnv.Checked)102 {103 sex = "女";104 }105 else { }106 107 //获取电话号码108 string phone = this.txtPhone.Text;109 110 //获取电子邮件地址111 string Email = this.txtEamil.Text;112 113 //获取所在城市114 string city = this.txtCity.Text;115 116 string strcon = ConfigurationManager.ConnectionStrings["strcon"].ConnectionString;//连接数据库.117 118 using (SqlConnection con = new SqlConnection(strcon))119 {120 if (con.State == ConnectionState.Closed)121 {122 con.Open();123 }124 125 SqlParameter[] paras = new SqlParameter[] 126 {127 new SqlParameter("@username", username),128 new SqlParameter("@userpass", userpass),129 new SqlParameter("@nickname", nickname),130 new SqlParameter("@sex", sex),131 new SqlParameter("@phone", phone),132 new SqlParameter("@Email", Email),133 new SqlParameter("@city", city)134 };135 136 string sql = "insert into tb_User (userName, userPass, nickName, sex, phone, E_mail, city) values (@username, @userpass, @nickname, @sex, @phone, @Email, @city);";137 138 SqlCommand cmd = new SqlCommand(sql, con);139 140 cmd.Parameters.AddRange(paras); 141 142 if (Convert.ToInt32(cmd.ExecuteNonQuery()) > 0)143 {144 RegisterStartupScript("", "<script>alert('注册成功!')</script>");145 146 this.txtName.Text = this.txtPass.Text = this.txtQpass.Text = "";147 this.txtNickName.Text = this.txtPhone.Text = this.txtEamil.Text = this.txtCity.Text = "";148 this.labuser.Text = "";149 }150 else151 {152 RegisterStartupScript("", "<script>alert('请输入正确格式!')</script>");153 }154 }155 }156 }157 else158 {159 RegisterStartupScript("", "<script>alert('请输入正确格式!')</script>");160 }161 }162 163 /// <summary>164 /// 判断用户名是否符合格式要求.165 /// </summary>166 /// <returns></returns>167 public bool isnameFormar()168 {169 bool flag = false;170 171 //设置正则表达式.(使用此对象要导入 System.Text.RegularExpressions命名空间)172 Regex re = new Regex("^\\w+$");173 174 if (re.IsMatch(this.txtName.Text.Trim()))175 {176 flag = true;//返回flag为真.177 }178 179 return flag;180 }181 182 /// <summary>183 /// 判断用户名是否已经存在184 /// </summary>185 /// <returns></returns>186 public bool isName()187 {188 bool flag = false;189 190 string strcon = ConfigurationManager.ConnectionStrings["strcon"].ConnectionString;//连接数据库.191 192 using (SqlConnection con = new SqlConnection(strcon))193 {194 if (con.State == ConnectionState.Closed)195 {196 con.Open();197 }198 199 SqlParameter[] paras = new SqlParameter[]200 {201 new SqlParameter("@userName", this.txtName.Text.Trim())202 };203 204 string sql = "select * from tb_User where userName = @userName ";205 206 SqlCommand cmd = new SqlCommand(sql, con);207 208 cmd.Parameters.AddRange(paras);209 210 if ( Convert.ToInt32(cmd.ExecuteScalar()) > 0)//如果返回值大于0,则表示用户已经存在.211 {212 flag = true;213 }214 }215 216 return flag;217 }218 }
以上是注册页面的编写,下面是登录页面的编写:
login.aspx代码:
1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="login.aspx.cs" Inherits="login" Debug ="true"%> 2 3 <!DOCTYPE html> 4 5 <html xmlns="http://www.w3.org/1999/xhtml"> 6 <head runat="server"> 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 8 <title></title> 9 <style type ="text/css">10 #imagecode {11 text-align:left;12 }13 </style>14 </head>15 <body>16 <form id="form1" runat="server">17 <div>18 <table>19 <tr>20 <td>用户名:</td><td><asp:TextBox ID ="txtname" runat ="server"></asp:TextBox></td>21 </tr>22 <tr>23 <td>密码:</td><td><asp:TextBox ID ="txtpass" runat ="server" TextMode ="Password"></asp:TextBox></td>24 </tr>25 <tr>26 <td>验证码:</td><td><asp:TextBox ID ="yzm" runat ="server" Width ="60px"></asp:TextBox><img id ="imagecode" src ="yzm.aspx" alt ="看不清!请点击刷新!" onclick ="this.src=this.src+'?'" />27 </tr>28 <tr>29 <td style ="text-align:center"><asp:Button ID ="txtCode" runat ="server" Text ="登陆" OnClick ="txtCode_Click1"/></td><td style ="text-align:center"><asp:Button ID ="cz" runat ="server" Text ="重置" /></td>30 </tr>31 </table>32 </div>33 </form>34 </body>35 </html>
login.aspx.cs代码:
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 8 using System.Data; 9 using System.Web.Security;10 using System.Data.SqlClient;11 using System.Configuration;12 13 public partial class login : System.Web.UI.Page14 {15 protected void Page_Load(object sender, EventArgs e)16 {17 18 }19 20 protected void txtCode_Click1(object sender, EventArgs e)21 {22 string code = this.yzm.Text;23 24 if (Request.Cookies["checkcode"].Value == code)25 {26 string strcon = ConfigurationManager.ConnectionStrings["strcon"].ConnectionString;27 28 using (SqlConnection con = new SqlConnection(strcon))29 {30 if (con.State == ConnectionState.Closed)31 {32 con.Open();33 }34 35 string pass = FormsAuthentication.HashPasswordForStoringInConfigFile(this.txtpass.Text, "MD5");36 37 SqlParameter[] paras = new SqlParameter[]38 {39 new SqlParameter("@pass", pass),40 new SqlParameter("@name", this.txtname.Text)41 };42 43 string sql = "select * from tb_User where userName = @name and userPass = @pass";44 45 SqlCommand cmd = new SqlCommand(sql, con);46 47 cmd.Parameters.AddRange(paras);48 49 if (Convert.ToInt32(cmd.ExecuteScalar()) > 0)50 {51 RegisterStartupScript("", "<script>alert('登录成功!')</script>");52 //清空文本框53 txtpass.Text = yzm.Text = txtname.Text = "";54 }55 else56 {57 RegisterStartupScript("", "<script>alert('用户名或密码错误!')</script>");58 }59 }60 }61 else62 {63 RegisterStartupScript("", "<script>alert('验证码错误!')</script>");64 }65 }66 }
以上是登录页面的编写,下面是验证码的编写:
yzm.aspx代码(并没有使用一般处理程序):
-yzm.aspx前台代码不需要编写。
yzm.aspx.cs代码:
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 8 using System.Drawing; 9 10 public partial class yzm : System.Web.UI.Page 11 { 12 protected void Page_Load(object sender, EventArgs e) 13 { 14 createyzm(random()); 15 } 16 17 /// <summary> 18 /// 这个方法是用于生成随机数 19 /// </summary> 20 /// <returns>生成的随机数</returns> 21 public string random() 22 { 23 int number;//创建一个整型变量,用于存储的单个随机数. 24 25 char a = new char();//创建一个字符变量,用于存储有整型转换成字符型的变量. 26 27 string b = string.Empty;//创建一个字符串变量,用于存储生成的随机数字符串. 28 29 Random rm = new Random();//创建一个随机数对象rm, 用于获取随机数. 30 31 //循环,用于生成单个随机数,以及把单个随机数,拼合成字符串. 32 for (int i = 0; i < 4; i++) 33 { 34 number = rm.Next();//生成随机数. 35 36 a = (char)('0' + (char)(number % 10));//把生成的随机数,无论是多大,只要除于10,得到的余数都是个位数,然后把他们转换成char类型的字符. 37 38 b += a.ToString();//把获得的单个字符,累加成一个字符创,其中一定要把,字符类型,转换成字符串类型. 39 } 40 41 Response.Cookies.Add(new HttpCookie("checkcode", b));//把生成的随机数字符串,放到创建的名为checkcode的cookies中,以便于,其他页面的调用时获取. 42 43 return b;//同时把生成的随机数返回(传出),以便于验证码制作. 44 } 45 46 /// <summary> 47 /// 这个方法是用于制作验证码 48 /// </summary> 49 /// <param name="sjs">接收random()方法生成的随机数</param> 50 public void createyzm(string sjs) 51 { 52 if (null == sjs && sjs.Trim() == string.Empty) 53 { 54 return; 55 } 56 57 System.Drawing.Bitmap image = new System.Drawing.Bitmap((int)Math.Ceiling(sjs.Length * 12.5), 22);//方法的重载,用于制定的大小初始化System.Drawing.Bitmap类的新实例,第一个参数是宽,第二个参数是高,单位是像素. 58 59 Graphics g = Graphics.FromImage(image);//从指定的 System.Drawing.Image 创建新的 System.Drawing.Graphics。 60 61 try 62 { 63 Random random = new Random();//创建随机数生成器. 64 65 g.Clear(Color.White);//清空背景色. 66 67 //绘制噪音线 68 for (int i = 0; i <10; i++) 69 { 70 int x1 = random.Next(image.Width); 71 int x2 = random.Next(image.Width); 72 int y1 = random.Next(image.Height); 73 int y2 = random.Next(image.Height); 74 75 g.DrawLine(new Pen(Color.FromArgb( random.Next())), x1, x2, y1, y2);//绘制一条连接由坐标对指定的两个点的线条。颜色是随机的使用color.fromArgb(random.Next())。 76 } 77 78 Font font = new System.Drawing.Font("Arial", 12, (System.Drawing.FontStyle.Bold));//设置文本的字体、字号和字形。 79 80 System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Width), Color.Blue, Color.OliveDrab, 1.2f, true);//设置绘制线条的线性渐变. 81 82 g.DrawString(sjs, font, brush, 2, 2);//在指定位置并且用指定的 System.Drawing.Brush 和 System.Drawing.Font 对象绘制指定的文本字符串。 83 84 //绘制噪音点 85 for (int i = 0; i < 100; i++) 86 { 87 int x = random.Next(image.Width); 88 int y = random.Next(image.Height); 89 90 image.SetPixel(x, y, Color.FromArgb(random.Next()));//绘制随机点,其中颜色也是随机的. 91 } 92 93 //绘制验证码边框线 94 //参数一:确定矩形的颜色,宽度,和样式。 95 //参数二:要绘制的矩形的左上角的x坐标。 96 //参数三:要绘制矩形的左上角y的坐标。 97 //参数四:要绘制矩形的宽度。 98 //参数五:要绘制矩形的高度。 99 g.DrawRectangle(new Pen(Color.Black), 0, 0, image.Width - 1, image.Height - 1);100 101 //输出到页面上102 System.IO.MemoryStream ms = new System.IO.MemoryStream();//创建支持存储区为内存的流。103 104 image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);//将图像以指定的格式保存到指定的流中。其中ImageFormat的作用是指定图像的文件格式。105 106 Response.ClearContent();//清除缓冲区流中的所有内容输出。107 108 Response.ContentType = "image/Gif";//获取或设置输出流的 http mime 类型。109 110 Response.BinaryWrite(ms.ToArray());//将二进制字符串写入 http 输出流。111 }112 catch (Exception ex)113 {114 throw ex;115 }116 finally117 {118 g.Dispose();//释放其使用的资源119 image.Dispose();//释放其使用的资源.120 }121 }122 }
0 0
- # 会员注册与登录模块
- 注册登录会员抽奖系统
- [gkk]会员注册与激活
- cakephp会员注册及登录验证实例
- ecshop 会员登录注册业务逻辑实现
- ecshop新注册会员登录审核插件
- 注册登录模块
- 系统登录注册模块
- 登录注册模块解决方案
- 网站注册登录模块
- 登录注册模块解决方案
- 会员注册
- asp.net会员注册与登陆
- DEDE去掉会员登录及注册验证码
- DEDE去掉会员登录及注册验证码的方法
- DEDE去掉会员登录及注册验证码的方法
- 讲项目实战:网站会员功能开发+登录/注册表单
- 注册登录模块设计浅谈
- Linux traceroute 命令
- 仿函数
- Java7之多线程第8篇 互斥锁ReentrantLock
- iOS Tableview中解决plain样式下,header的浮动问题
- 缓存粒子
- # 会员注册与登录模块
- 架构师给程序员的一封信
- GEC210(S5PV210)裸机驱动之LCD(1)
- 一个在别人网站扒的tools.js
- Geohash算法
- Java7之多线程 线程的取消与关闭
- hibernate中mysql的ID注解
- 手机卫士学习09-自定义对话框
- 西门子PLC学习笔记十三-(算术运算指令与控制指令)