ASP.NET实现忘记密码

来源：互联网发布：神马软件站编辑：程序博客网时间：2024/06/16 05:42

<title>个人会员密码找回</title>
<link href="/style.css" rel="stylesheet" type="text/css" />
<script language="javascript" type="text/javascript">
// 检查 E-mail 是否已被注册
function CheckEmail()
{
var e = document.getElementById("email").value;
if(e != "")
{
if(!/(\S)+[@]{1}(\S)+[.]{1}(\w)+/.test(e))
{
alert("请输入格式正确的E-mail 地址！");
var email = document.getElementById ( "email" );
email.value = "";
email.focus ();
}
}
}

function checkAll()
{
var ee = document.getElementById("username").value;
if(ee == "")
{
alert('登录名称不能为空');
return false;
}

var e = document.getElementById("email").value;
if(e == "")
{
alert('Emial不能为空');
return false;
}


}

</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table width="778" border="0" align="center" cellpadding="5" cellspacing="0" class="table_huang">
<tr>
<td colspan="2" class="TD_huang_14_write"> <span style="font-size: 11pt">>> 获取密码</span></td>
</tr>
<tr>
<td width="26"></td>
<td width="724"><table width="90%" border="0" cellspacing="2" cellpadding="5">
<tr>
<td width="23%"><div align="right">用户名：</div></td>
<td width="77%">
<asp:TextBox ID="username" runat="server" Width="150px" ></asp:TextBox></td>
</tr>
<tr>
<td><div align="right">注册时填写的Email：</div></td>
<td>
<asp:TextBox ID="email" runat="server" Width="200px" ></asp:TextBox></td>
</tr>
<tr>
<td><div align="right">验证码：</div></td>
<td><table width="100%">
<tr>
<td align="left" valign="top" style="width: 64px"><asp:TextBox ID="txt_validcode" runat="server" Height="15px" Width="62px"></asp:TextBox> </td>
<td align="left" valign="top"><img id="yzm" src="../ValidateCode.aspx" /></td>
</tr>
</table></td>
</tr>
<tr>

<td colspan="2" style="text-align: center">
<asp:Button ID="Button1" runat="server" Text=" 找回密码 " /></td>
</tr>
</table> </td>
</tr>
</table>
</div>
</form>
</body>
</html>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>个人会员密码找回</title>
<link href="/style.css" rel="stylesheet" type="text/css" />
<script language="javascript" type="text/javascript">
// 检查 E-mail 是否已被注册
function CheckEmail()
{
var e = document.getElementById("email").value;
if(e != "")
{
if(!/(\S)+[@]{1}(\S)+[.]{1}(\w)+/.test(e))
{
alert("请输入格式正确的E-mail 地址！");
var email = document.getElementById ( "email" );
email.value = "";
email.focus ();
}
}
}

function checkAll()
{
var ee = document.getElementById("username").value;
if(ee == "")
{
alert('登录名称不能为空');
return false;
}

var e = document.getElementById("email").value;
if(e == "")
{
alert('Emial不能为空');
return false;
}

}

</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table width="778" border="0" align="center" cellpadding="5" cellspacing="0" class="table_huang">
<tr>
<td colspan="2" class="TD_huang_14_write"> <span style="font-size: 11pt">>> 获取密码</span></td>
</tr>
<tr>
<td width="26"></td>
<td width="724"><table width="90%" border="0" cellspacing="2" cellpadding="5">
<tr>
<td width="23%"><div align="right">用户名：</div></td>
<td width="77%">
<asp:TextBox ID="username" runat="server" Width="150px" ></asp:TextBox></td>
</tr>
<tr>
<td><div align="right">注册时填写的Email：</div></td>
<td>
<asp:TextBox ID="email" runat="server" Width="200px" ></asp:TextBox></td>
</tr>
<tr>
<td><div align="right">验证码：</div></td>
<td><table width="100%">
<tr>
<td align="left" valign="top" style="width: 64px"><asp:TextBox ID="txt_validcode" runat="server" Height="15px" Width="62px"></asp:TextBox> </td>
<td align="left" valign="top"><img id="yzm" src="../ValidateCode.aspx" /></td>
</tr>
</table></td>
</tr>
<tr>

<td colspan="2" style="text-align: center">
<asp:Button ID="Button1" runat="server" Text=" 找回密码 " /></td>
</tr>
</table> </td>
</tr>
</table>
</div>
</form>
</body>
</html>
后端代码

[csharp] view plaincopyprint?using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;



public partial class ClientServer_Default2 : System.Web.UI.Page
{
string lspass = "";

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)
{
HttpCookie myCookie_validcode = Request.Cookies["FWCX_CheckCode"];
if (myCookie_validcode.Value.ToString() != txt_validcode.Text)
{
Response.Write("<script>");
Response.Write("alert('验证码错误')");
Response.Write("</script>");
return;
}

//首先判断该登录名称和email是否存在
string sql = "select * from t_users where u_username='" + username.Text.Trim() + "' and u_email='" + email.Text.Trim() + "' and u_class='0' and u_valid='1'";
DataTable dt = new DataTable();
//dt = new SQLTool().dataTable(sql);

if (dt.Rows.Count < 1)
{
Response.Write("<script>alert('登录名称或Email地址错误！，请重新填写后再试。');</script>");

}
else
{
//首先给现在的数据库t_users附上一个临时密码
//Response.Write(CreateRandomCode(8));
lspass = CreateRandomCode(8);
sql = "update t_users set u_getpwd='" + lspass + "' where u_username='" + username.Text.Trim() + "' and u_email='" + email.Text.Trim() + "' and u_class='0' and u_valid='1'";
//if (new SQLTool().ExecuteSql(sql) >= 0)
//{
sendEmail(email.Text.Trim(), username.Text.Trim());
Response.Write("<script>alert('临时密码已经发送到您的注册Email中，请在下一页面中修改密码。');window.location.href='getpwdconfirm.aspx';</script>");
//}
}
}
public void sendEmail(string email, string name)
{
try
{
jmail.Message jmessage = new jmail.Message();
jmessage.Charset = "GB2312";
jmessage.From = "86085005@163.com";
// 发信地址
jmessage.MailServerUserName = "86085005";
//smtp认证用户名(注:如为网易用户,不加要@163.com,只要前面部分即可)
jmessage.MailServerPassWord = "kingseer";
// smtp论证用户名密码

jmessage.FromName = "108人力银行";
// 发信人
jmessage.ReplyTo = "86085005@163.com";
// 回复地址
jmessage.C;//邮件内容为html
jmessage.Subject = "108人力银行临时密码";

string strbody = "";
strbody += new functions().getInfoXX("t_pagetexts", "p_name", "找回密码邮件反馈-个人", "p_value").Replace("$", name).Replace("@%", lspass);
jmessage.HTMLBody = strbody;
// 邮件标题
jmessage.AddRecipient(email, "", "");
jmessage.Send("smtp.163.com", false);//发送邮件smtp.163.com
jmessage.Close();//关闭对象,释放资源


}
catch (Exception err)
{
Response.Write(err);
}
}
/// <summary>
/// 功能：产生数字和字符混合的随机字符串
/// </summary>
/// <param name="codecount">字符串的个数</param>
/// <returns></returns>
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;
}

}