找回密码

找回密码 我相信做网站的朋友经常要实现找回密码的功能下面我就整理了一个希望对大家有用 前台aspx文件: <%@ Page Language="C#" CodeFile="GetPassword.aspx.cs" Inherits="GetPassword" %> <%@ Register Assembly="Vincent.AutoAuthCode" Namespace="Vincent.AutoAuthCode" TagPrefix="cc1" %>

>> 获取密码
	用户名: 注册时填写的Email: 验证码:

后台cs文件: using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using Maticsoft.DBUtility; public partial class GetPassword : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { this.Button1.Attributes.Add("onclick", "javascript:return checkAll();"); } } protected void Button1_Click(object sender, EventArgs e) { //首先判断该登录名称和email是否存在 string sql = "select * from go_user where user_name='" + username.Text.Trim() + "' and user_email='" + email.Text.Trim() + "''"; GOProject.Model.GO_USER u = new GOProject.BLL.GO_USER().GetModelBySQL(sql); //dt = new SQLTool().dataTable(sql); if (u==null&&u.Equals("")) { Response.Write(""); } else { //首先给现在的数据库go_user附上一个临时密码 //Response.Write(CreateRandomCode(8)); string lspass = CreateRandomCode(8); sql = "update t_users set user_password='" + lspass + "' where user_name='" + username.Text.Trim() + "' and user_email='" + email.Text.Trim() + "'"; try { DbHelperSQL.ExecuteSql(sql); } catch (Exception ex) { GOProject.Common.Util.write_exception(ex.Message); } string stmserver = "smtp.163.com"; string stmuser = "pengfei_0804@163.com"; string stmpass = "pf5201314"; string stmto = email.Text.Trim(); string stmsubject = "GO卡网找回密码"; string stmbody = "

尊敬的" + username.Text.Trim() + "你好: 您的注册邮箱:" + email.Text.Trim() + " 您的 临时密码:" + lspass + "

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"; try { GOProject.Common.Util.SendSMTPEMail(stmserver, stmuser, stmpass, stmto, stmsubject, stmbody); } catch (Exception ex) { GOProject.Common.Util.write_exception(ex.Message); } Response.Write(""); } } ///

/// 功能:产生数字和字符混合的随机字符串 ///

/// 字符串的个数 /// private string CreateRandomCode(int codecount) { // 数字和字符混合字符串 string allchar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n"; //分割成数组 string[] allchararray = allchar.Split(','); string randomcode = ""; //随机数实例 System.Random rand = new System.Random(unchecked((int)DateTime.Now.Ticks)); for (int i = 0; i < codecount; i++) { //获取一个随机数 int t = rand.Next(allchararray.Length); //合成随机字符串 randomcode += allchararray[t]; } return randomcode; } }