c#web窗体登录界面登录注册以及密码找回发送邮箱功能
效果图如下：1.登录界面aspx代码<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="login.aspx.cs" Inherits="ebook.Pages.login" %><!DOCTYPE html><html xmlns="/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><script src="../Scripts/jquery-1.8.2.min.js"></script><title></title><style type="text/css">.auto-style1 {width: 300px;}.auto-style2 {width: 300px;}.auto-style2 tr td:first-child { //tr里面第一个tdtext-align: right;width: 100px;}.auto-style2 tr td:last-child { //tr里面最后一个tdtext-align: left;}</style><script>$(function () {$("#forgetPwd").click(function () { //登录界面忘记密码$("#LoginSign").css("display", "none"); //登录界面隐藏$("#FindPwd").css("display", "block");//找回密码界面显示});$("#BtnfindPwd").click(function () { //找回密码界面的 找回密码按钮事件if ($("#mail").val() == "") {$("#errormsg").text("邮箱不能为空");}else {$("#errormsg").text("");//取消后面span标签的内容显示$.post("../Handler/FindPwdHandler.ashx", { "mail": $("#mail").val() }, function success(data) {if (data == "NO") {$("#errormsg").text("邮箱不存在"); //输入的邮箱不存在}else {alert("邮箱发送成功！");}});}});})</script></head><body><form id="form1" runat="server"><div id="LoginSign"><table class="auto-style1"><tr><td style="text-align: center"><asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Names="楷体" Font-Size="XX-Large" ForeColor="#3366FF" Text="用户登录"></asp:Label></td></tr><tr><td></td></tr><tr><td><table class="auto-style2"><tr><td><asp:Label ID="Label2" runat="server" Text="用户名："></asp:Label></td><td><asp:TextBox ID="txt_User_Name" runat="server" TabIndex="1"></asp:TextBox></td></tr><tr><td><asp:Label ID="Label3" runat="server" Text="密码："></asp:Label></td><td><asp:TextBox ID="txt_User_Pwd" runat="server" TabIndex="2"></asp:TextBox><a href="javascript:void(0)" id="forgetPwd">忘记密码</a></td></tr><tr><td><asp:Button ID="btn_Login" runat="server" TabIndex="3" Text="登录" OnClick="btn_Login_Click" /></td><td><asp:Button ID="btn_Register" runat="server" TabIndex="4" Text="注册" OnClick="btn_Register_Click" /></td></tr><tr><td></td><td><asp:Label ID="Labinfo" runat="server" Font-Size="Smaller" ForeColor="Red"></asp:Label> //显示登录成功失败的提示</td></tr></table></td></tr></table></div><div id="FindPwd" style="display: none"><table><tr><td><asp:Label ID="Label5" runat="server" Text="邮箱："></asp:Label><asp:TextBox ID="mail" runat="server"></asp:TextBox><span id="errormsg"></span></td></tr><tr><td><input type="button" value="找回密码" id="BtnfindPwd" /></td></tr></table></div></form></body></html>
2.登录界面aspx.cs代码
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using BLL;using MODEL;using ebook.App_Start;using System.IO;using System.Text;namespace ebook.Pages{public partial class login : System.Web.UI.Page{HuiyuanTablemodel model = new HuiyuanTablemodel();Logincheckbll bll = new Logincheckbll();protected void Page_Load(object sender, EventArgs e){}//登录protected void btn_Login_Click(object sender, EventArgs e){model.huiyuanming = this.txt_User_Name.Text.ToString();model.password = this.txt_User_Pwd.Text.ToString();if(bll.logincheck(model)){Labinfo.Text = "登录成功";// Session["Username"] = this.txt_User_Name.Text.ToString();// Session[Common.Username] = this.txt_User_Name.Text.ToString();}else{this.txt_User_Name.Focus();Labinfo.Text = "登录失败";}}//注册protected void btn_Register_Click(object sender, EventArgs e){Response.Redirect("register.aspx");//页面跳转}}}
3.注册页面aspx代码
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="register.aspx.cs" Inherits="ebook.Pages.register" %><!DOCTYPE html><html xmlns="/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title></title><style type="text/css">.auto-style1 {width: 600px;}#table2 tr td:first-child {width: 100px;text-align: right;}#table2 tr td:last-child {text-align: left;}#table2 th {width: 220px;text-align: left;}.auto-style2 {height: 23px;}</style></head><body><form id="form1" runat="server"><table align="center" class="auto-style1"><tr><td style="text-align: center"><asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Names="楷体" Font-Size="XX-Large" ForeColor="#3366FF" Text="用户注册"></asp:Label></td></tr><tr><td></td></tr><tr><td><table class="auto-style1" id="table2"><tr><td><asp:Label ID="Label2" runat="server" Text="用户名："></asp:Label></td><th><asp:TextBox ID="txt_User_Name" runat="server" TabIndex="1"></asp:TextBox>*</th><td><asp:Button ID="btn_Check" runat="server" OnClick="btn_Check_Click" TabIndex="2" Text="检测用户名" /><asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="txt_User_Name" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator></td></tr><tr><td><asp:Label ID="Label3" runat="server" Text="密码："></asp:Label></td><th><asp:TextBox ID="txt_User_Pwd" runat="server" TabIndex="3"></asp:TextBox>*</th><td><asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="txt_User_Pwd" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator></td></tr><tr><td class="auto-style2"><asp:Label ID="Label4" runat="server" Text="确认密码："></asp:Label></td><th class="auto-style2"><asp:TextBox ID="txt_ReUser_Pwd" runat="server" TabIndex="4"></asp:TextBox>*</th><td class="auto-style2"><asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server" ControlToValidate="txt_ReUser_Pwd" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator><asp:CompareValidator ID="CompareValidator1" runat="server" ControlToCompare="txt_User_Pwd" ControlToValidate="txt_ReUser_Pwd" ErrorMessage="CompareValidator">两次输入的密码不一致</asp:CompareValidator></td></tr><tr><td><asp:Label ID="Label5" runat="server" Text="姓名："></asp:Label></td><th><asp:TextBox ID="txt_Rel_Name" runat="server" TabIndex="5"></asp:TextBox>*</th><td><asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ControlToValidate="txt_Rel_Name" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator></td></tr><tr><td><asp:Label ID="Label6" runat="server" Text="性别："></asp:Label></td><th><asp:DropDownList ID="DDL_Sex" runat="server" TabIndex="6"><asp:ListItem>男</asp:ListItem><asp:ListItem>女</asp:ListItem></asp:DropDownList></th><td></td></tr><tr><td><asp:Label ID="Label7" runat="server" Text="出生日期："></asp:Label></td><th><asp:DropDownList ID="DDL_Year" runat="server" TabIndex="7"></asp:DropDownList>年<asp:DropDownList ID="DDL_Month" runat="server" TabIndex="8"></asp:DropDownList>月<asp:DropDownList ID="DDL_Day" runat="server" TabIndex="9"></asp:DropDownList>日</th><td></td></tr><tr><td><asp:Label ID="Label8" runat="server" Text="联系地址："></asp:Label></td><th><asp:TextBox ID="txt_Address" runat="server" TabIndex="10"></asp:TextBox></th><td></td></tr><tr><td><asp:Label ID="Label9" runat="server" Text="邮政编码："></asp:Label></td><th><asp:TextBox ID="txt_Postalcode" runat="server" TabIndex="11"></asp:TextBox></th><td><asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="txt_Postalcode" ErrorMessage="RegularExpressionValidator" ValidationExpression="\d{6}">邮政编码不符合</asp:RegularExpressionValidator></td></tr><tr><td><asp:Label ID="Label10" runat="server" Text="联系电话："></asp:Label></td><th><asp:TextBox ID="txt_Tel" runat="server" TabIndex="12"></asp:TextBox>*</th><td><asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server" ControlToValidate="txt_Tel" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator><asp:RegularExpressionValidator ID="RegularExpressionValidator2" runat="server" ControlToValidate="txt_Tel" ErrorMessage="RegularExpressionValidator" ValidationExpression="^[1][358][0-9]{9}$">联系电话格式不符合</asp:RegularExpressionValidator></td></tr><tr><td><asp:Label ID="Label11" runat="server" Text="手机："></asp:Label></td><th><asp:TextBox ID="txt_Mobile" runat="server" TabIndex="13"></asp:TextBox></th><td></td></tr><tr><td><asp:Label ID="Label14" runat="server" Text="邮箱："></asp:Label></td><th><asp:TextBox ID="txt_mail" runat="server" TabIndex="15"></asp:TextBox></th><td class="auto-style2"><asp:RequiredFieldValidator ID="RequiredFieldValidator7" runat="server" ControlToValidate="txt_mail" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator><asp:RegularExpressionValidator ID="RegularExpressionValidator4" runat="server" ControlToValidate="txt_mail" ErrorMessage="RegularExpressionValidator" ValidationExpression="^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$">邮箱格式不符</asp:RegularExpressionValidator></td></tr><tr><td class="auto-style2"><asp:Label ID="Label12" runat="server" Text="身份证号："></asp:Label></td><th class="auto-style2"><asp:TextBox ID="txt_ID_Card" runat="server" TabIndex="14"></asp:TextBox>*</th><td class="auto-style2"><asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ControlToValidate="txt_ID_Card" ErrorMessage="RequiredFieldValidator" ForeColor="Red">此项必填</asp:RequiredFieldValidator><asp:RegularExpressionValidator ID="RegularExpressionValidator3" runat="server" ControlToValidate="txt_ID_Card" ErrorMessage="RegularExpressionValidator" ValidationExpression="\d{17}[\d|X]|\d{15}">身份证号码格式不符</asp:RegularExpressionValidator></td></tr><tr><td></td><th><asp:Button ID="btn_Register" runat="server" OnClick="btn_Register_Click" TabIndex="15" Text="注册" /><asp:Button ID="btn_Catch" runat="server" OnClick="btn_Catch_Click" TabIndex="16" Text="重填" /><asp:Label ID="Label13" runat="server" Font-Size="Smaller" ForeColor="Red" Text="带*的为必填项"></asp:Label></th><td></td></tr></table></td></tr><tr><td style="text-align: center"><asp:Label ID="Labinfo" runat="server" Font-Size="Smaller" ForeColor="Red"></asp:Label></td></tr></table></form></body></html>
4.注册页面aspx.cs代码
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Data.SqlClient;using BLL;using MODEL;using System.Text;using mon;namespace ebook.Pages{public partial class register : System.Web.UI.Page{Registerbll bll = new Registerbll();HuiyuanTablemodel model = new HuiyuanTablemodel();static string statu;protected void Page_Load(object sender, EventArgs e){if (!IsPostBack)//页面初次加载{#region 初始化年、月、日for (int year = 1930; year <= ; year++){DDL_Year.Items.Add(year.ToString());}for (int month = 1; month <= 12; month++){DDL_Month.Items.Add(month.ToString());}for (int day = 1; day <= 31; day++){DDL_Day.Items.Add(day.ToString());}#endregion//按钮不触发验证事件this.btn_Catch.CausesValidation = false; //注册事件this.btn_Check.CausesValidation = false; //检测用户名事件}}//注册protected void btn_Register_Click(object sender, EventArgs e){#region 获取输入表的信息model.huiyuanming = this.txt_User_Name.Text.ToString();//MD5加密MD5 a = new MD5(); //错误方法string md5Pwd = a.jiamiMD5(this.txt_User_Pwd.Text.ToString());model.password = md5Pwd;model.name = this.txt_Rel_Name.Text.ToString();model.sex = DDL_Sex.SelectedIndex.ToString();//0代表男 1代表女StringBuilder brithday1 = new StringBuilder();brithday1.Append(DDL_Year.SelectedItem);brithday1.Append("-");brithday1.Append(DDL_Month.SelectedItem);brithday1.Append("-");brithday1.Append(DDL_Day.SelectedItem);model.brithday = Convert.ToDateTime(brithday1.ToString());model.address = this.txt_Address.Text.ToString();model.postal = this.txt_Postalcode.Text.ToString();model.phone = this.txt_Tel.Text.ToString();model.telphone = this.txt_Mobile.Text.ToString();model.idcard = this.txt_ID_Card.Text.ToString();model.mail = this.txt_mail.Text.ToString();#endregion//statu有null,true,false三个状态，null代表没有检测用户名，直接注册提交，true代表检测用户名成功，注册。 false代表检测用户名失败，if (statu == null){string name = txt_User_Name.Text;if (bll.Search(name)){Labinfo.Text = "对不起，此用户已经被注册，请输入其他用户名！";}else{if (bll.insert(model)){Response.Write("<script>alert('注册成功！')</script>");}else{Response.Write("<script>alert('注册失败！')</script>");}}}else if (statu == "true"){if (bll.insert(model)){Response.Write("<script>alert('注册成功！')</script>");statu = null;}else{Response.Write("<script>alert('注册失败！')</script>");}}else{Response.Write("<script>alert('用户名相同！')</script>");}}//重填protected void btn_Catch_Click(object sender, EventArgs e){this.txt_User_Name.Focus();this.txt_User_Name.Text = "";this.txt_User_Pwd.Text = "";this.txt_ReUser_Pwd.Text = "";this.txt_Rel_Name.Text = "";this.txt_Address.Text = "";this.txt_Postalcode.Text = "";this.txt_ID_Card.Text = "";this.txt_Mobile.Text = "";this.txt_Tel.Text = "";this.DDL_Sex.SelectedIndex = 0;this.DDL_Year.SelectedIndex = 0;this.DDL_Month.SelectedIndex = 0;this.DDL_Day.SelectedIndex = 0;}//检测用户名protected void btn_Check_Click(object sender, EventArgs e){string name = txt_User_Name.Text;if (bll.Search(name)){Labinfo.Text = "对不起，此用户已经被注册，请输入其他用户名！";statu = "false";}else{Labinfo.Text = "恭喜您，此用户名可以使用！";statu = "true";}}}}
4.找回密码，发送到邮箱
<div id="FindPwd" style="display: none"><table><tr><td><asp:Label ID="Label5" runat="server" Text="邮箱："></asp:Label><asp:TextBox ID="mail" runat="server"></asp:TextBox><span id="errormsg"></span></td></tr><tr><td><input type="button" value="找回密码" id="BtnfindPwd" /></td></tr></table></div>
<script>$(function () {$("#forgetPwd").click(function () {$("#LoginSign").css("display", "none");$("#FindPwd").css("display", "block");});$("#BtnfindPwd").click(function () {if ($("#mail").val() == "") {$("#errormsg").text("邮箱不能为空");}else {$("#errormsg").text("");$.post("../Handler/FindPwdHandler.ashx", { "mail": $("#mail").val() }, function success(data) {if (data == "NO") {$("#errormsg").text("邮箱不存在");}else {alert("邮箱发送成功！");}});}});})</script>
5 .../Handler/FindPwdHandler.ashx代码
using System;using System.Collections.Generic;using System.Linq;using System.Web;using BLL;using .Mail; //邮箱发送的引用文件using ; //身份验证的引用文件using System.Text;using mon;namespace ebook.Handler{/// <summary>/// FindPwdHandler 的摘要说明/// </summary>public class FindPwdHandler : IHttpHandler{Checkmail checkmail = new Checkmail();public void ProcessRequest(HttpContext context){context.Response.ContentType = "text/plain";string mail = context.Request["mail"];if (checkmail.CheckmailISnull(mail)) //mail存在，发送邮件{sendMail(mail);}else{context.Response.Write("NO");}}private void sendMail(string mail){string newPwd = Guid.NewGuid().ToString().Substring(0, 6); //随机创建一个新的密码string userid = checkmail.GetuseridBymail(mail); //通过邮箱找到账户名称MD5 md5 = new MD5();if (updatePwd(userid, md5.jiamiMD5(newPwd)))//密码更新成功在发送邮件{try{MailMessage mailMsg = new MailMessage(); //MailMessage引用using .Mail;mailMsg.From = new MailAddress("xxxxx@", "小红"); //源邮件地址mailMsg.To.Add(new MailAddress("xxxxx@", "asd")); //接收人地址mailMsg.SubjectEncoding = Encoding.GetEncoding(936); //这里非常重要，如果你的邮件标题包含中文，这里一定要指定，否则对方收到的极有可能是乱码。mailMsg.Subject = "找回密码"; //标题mailMsg.BodyEncoding = Encoding.GetEncoding(936); //邮件正文的编码， 设置不正确， 接收者会收到乱码StringBuilder sb = new StringBuilder();sb.Append("您在xxx网修改密码");sb.Append("您的ID：" + userid);sb.Append("密码：" + newPwd);mailMsg.Body = sb.ToString(); //邮件正文mailMsg.IsBodyHtml = true; //邮件正文是否是HTML格式//指定Smtp服务地址SmtpClient Client = new SmtpClient(""); // Client.Credentials = new NetworkCredential("xxxxxx@", "xxxxx"); //NetworkCredential引用using ; 发件人的邮箱和密码Client.Send(mailMsg);}catch (Exception ex){throw ex;}}else{//不发送邮箱，因为密码更新失败！！}}private bool updatePwd(string userid, string Pwd)//更新旧密码{if (checkmail.updatePwd(userid, Pwd)){return true;}else{return false;}}public bool IsReusable{get{return false;}}}}
