邮件激活注册实例

1.建立一个数据库连接文件conn.php

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 <?php
 $conn = mysql_connect('localhost','root','123456');
 mysql_select_db('email',$conn);
 mysql_query('set names utf8',$conn);
 ?>

2.建 立 一个注册账号

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 <?php
 /*create table user(
 uid int primary key auto_increment,
 uname char(32) not null default '',
 pass char(32) not null default '',
 email char(32) not null default '',
 status tinyint not null default 0
 )engine myisam charset utf8;

 create table activecode(
 cid int primary key auto_increment,
 uname char(32) not null default '',
 code char(16) not null default '',
 expire int not null default 0
 )engine myisam charset utf8;
 */
 /*模拟注册用户+创建激活码+发送激活码
 思路：
 1.连接数据库
 2.insert用户表
 3.随机生成激活码并insert activecode表
 4.把生成的激活码发送到注册注册邮箱
 */
 require ('./conn.php');
 require ('./PHPMailer/class.phpmailer.php');
 $str = '1234567890abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ!@#$%';
 $uname = substr(str_shuffle(substr($str,0,52)),0,8);
 $email = '[email protected]';
 $sql = "insert into user(uname,email) values('$uname','$email');";
 mysql_query($sql,$conn);
 $code = substr(str_shuffle(substr($str,0,52)),0,8); //循环一个8位账号
 $expire = time()+24*3600;
 $sql = "insert into activecode(uname,code,expire)value('$uname','$code','$expire')";
 mysql_query($sql,$conn);

 //发送验证码
 $mail = new PHPMailer();
 $mail->IsSMTP();                    // 启用SMTP
 $mail->Host = "smtp.163.com";            //SMTP服务器
 $mail->SMTPAuth = true;                    //开启SMTP认证
 $mail->Username = "[email protected]";            // SMTP用户名
 $mail->Password = "xxxxx";                // SMTP密码
 $mail->From = "[email protected]";            //发件人地址
 $mail->FromName = "Mailer";                //发件人
 $mail->AddAddress("[email protected]", "Josh Adams");    //添加收件人
 $mail->Subject = "$uname,欢迎你，请激活账号";            //邮件主题
 $mail->Body = "请点击http://localhost/youjianjihuo/02.php?code=$code 来激活您的账号";        //邮件内容

 if(!$mail->Send()){
     echo "error";
 }else{
     echo "ok";
 }
 ?>

3.建立一个判断激活地址的文件

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 <?php
 /*
 1.从地址栏获取激活码
 2.查询该激活码
     2.1激活码不存在
     2.2激活码过期
     2.3激活码正常，修改user的status状态为1
     2.4把激活码的expire改成-1
 */
     require ('./conn.php');
     header("content-type:text/html; charset=utf-8");
 //从地址栏获取激活码
     $code = $_GET['code'];
 //对激活码做出判断
     if(strlen($code) !=8 ){
         die('激活码错误aaa');
     }
     $sql = "select * from activecode where code = '$code'";
     $rs = mysql_query($sql,$conn);
     $row = mysql_fetch_assoc($rs); //取结果
     if(empty($row)){
         die('激活码错误');
     }
     if(time()>$row['expire']){
         exit('激活码已过期，请重新申请');
     }
 //激活用户
     $sql = "update user set status=1 where uname ='$row[uname]' ";
     mysql_query($sql,$conn);
     echo "激活成功，请登录";
 //
     $sql = "update activecode set expire=0 where code ='$code' ";
     mysql_query($sql,$conn);
 ?>