【转·开发技术】C#实现 [忘记密码] 通过【邮箱取回密码】功能

来源：互联网发布：金牛奇迹mac版编辑：程序博客网时间：2024/05/01 13:19

内容概括：通过引用Jmail组件实现 “通过邮箱找回密码” 功能

前端页面代码

<!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

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; }  }

以上内容转载自博客

http://www.cnblogs.com/zhangtao1212/archive/2012/01/11/2319111.html