注册部分：
注册步骤1: class/register_step1.php
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<TITLE>班级通讯录-注册第一步</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<?php
include "config.php";
if ($Submit){
$answers1=trim($answers1);
$answers2=trim($answers2);
if (!($answers1==$answer1)||!($answers2==$answer2)){
echo "回答错误！<a href='javascript:history.back()'>返回</a>";
exit;
}
echo "回答正确，<a href='register_step2.php?answer=right'>进入第二步</a>。";
exit;
}
?>
<table width="73%" border="0" cellspacing="0" cellpadding="0" align="center" height="190">
<tr>
<td height="76">
<div align="center"><img src="image/classlogo.gif" width="224" height="60"></div>
</td>
</tr>
<tr>
<td height="32">
<div align="center">注册第一步-身份验证</div>
</td>
</tr>
<tr>
<td height="153">
<p align="center">请回答以下问题</p>
<form name="form1" method="post" action="<? echo $PHP_SELF;?>">
<div align="center">1.<? echo $question1?><br>
您的回答
<input type="text" name="answers1">
<br>
2.<? echo $question2?><br>
您的回答
<input type="text" name="answers2">
<br>
<input type="submit" name="Submit" value="确认">
<input type="reset" name="cancel" value="重写">
</div>
</form>
<p align="center"><br>
<br>
实在想不起来了，<a href="querypsw.php">问问管理员吧</a>。<br>
</p>
</td>
</tr>
</table>
</BODY>
</HTML>
注册步骤2: class/register_step2.php
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<TITLE>94级1班通讯录-注册第二步</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<?php
if (!$answer=="right"){ //页面保护
echo "请不要投机取巧！";
exit;
}
include "config.php";
if ($submit){
if (!$username||!$psw||!$psw2||!$name||!$ad||!$ph||!$email){ //检查是否填写完整
echo "对不起，您2必须填所有带*的项目!<BR>"."<a href='javascript:history.back()'>返回</a>";
exit;
}
$username=trim($username);
$psw=trim($psw);
$psw2=trim($psw2);
$name=trim($name);
$birth=$year.'-'.$month.'-'.$day;
$work=trim($work);
$ad=trim($ad);
$post=trim($post);
$ph=trim($ph);
$bp=trim($bp);
$email=trim($email);
$oicq=trim($oicq);
$account=strip_tags(trim($account));//去掉首尾空格及html标记
$signature=strip_tags(trim($signature));
//检验此名字是否已被注册
$result = mysql_query("SELECT name FROM user where name='$name'",$db);
if (mysql_num_rows($result)!=0){
echo "此名字已有人注册！"."<a href='javascript:history.back()'>重新填写</a> "."忘记密码，向管理员<a href='querypsw.php'>索要密码</a>";
exit;
}
//检验用户名是否被使用
$result = mysql_query("SELECT user FROM user where user='$username'",$db);//若返回列的数目不为0，说明此用户名已有人使用
if (mysql_num_rows($result)!=0){
echo "此用户名已有人使用！"."<a href='javascript:history.back()'>重新填写</a>";
exit;
}
//检查密码重复是否正确
if (!$psw==$psw2){
echo "请确认密码,<a href='javascript:history.back()'>返回</a>";
exit;
}
//检查email的合法性
if(!ereg('^[-!#$%&'*+./0-9=?A-Z^_`a-z{|}~]+'.'@'.'[-!#$%&'*+\/0-9=?A-Z^_`a-z{|}~]+.'.'[-!#$%&'*+\./0-9=?A-Z^_`a-z{|}~]+$',$email)&&$email){
echo "email不合法!<BR>"."<a href='javascript:history.back()'>重填</a><BR>";
exit;}
//写入数据库
$sql="INSERT INTO user (user,psw,name,sex,birth,work,ad,post,ph,bp,email,oicq,account,signature,face) VALUES ('$username','$psw','$name','$sex','$birth','$work','$ad','$post','$ph','$bp','$email','$oicq','$account','$signature','$face')";
$result = mysql_query($sql,$db);
mysql_close($db);
//发祝贺邮件
$subject="祝贺你成功注册".$sitename."！";//主题
$message=$name.",你好：<BR> 祝贺你成功注册同学录！您的用户名为".$username.",密码为".$psw."<BR>现在登陆<a href='$url'>$sitename</a>";//信件内容
$headers .= "Content-Type: text/html; charset=gb2312n"; // Mime type
mail($email,$subject,$message,$headers);//离线状态下调试时，这一句可能会出错，不必管它，传到服务器上即可。
echo "恭喜您注册成功！一封欢迎信已发到您的邮箱，请注意查收。","<a href='../index.php'>现在登录</a>";
exit;
}
?>
<table width='95%' border='0' cellspacing='0' cellpadding='0' align='center'>
<tr>
<td colspan="2">
<div align="center"><img src="image/classlogo.gif" width="224" height="60"></div>
</td>
</tr>
<tr>
<td>
<div align="center">注册第二步-填写个人资料<br>
注意不要有空格,带*的项目为必填。</div>
</td>
</tr>
<tr>
<td colspan="2">
<form method='post' action='<? echo $PHP_SELF;?>?answer=right'>
<table width="95%" border="1" cellspacing="1" cellpadding="0" align="center" bordercolor="#FFCC00">
<tr>
<td height="153" width="60%"><br>
用户名：
<input type='Text' name='username' size='12' maxlength='12'>
*<br>
(英文字母或加数字，长度不超过12)<br>
密码：
<input type='password' name='psw' size='8' maxlength='8'>
*<br>
(英文字母或加数字，长度不超过8个字符)<br>
确认密码：
<input type='password' name='psw2' size='8' maxlength='8'>
*<br>
姓名：
<input type='Text' name='name' size='8' maxlength='8'>
*<br>
性别：男
<input type='radio' name='sex' value='男' checked>
女
<input type='radio' name='sex' value='女'>
<br>
生日：
<select name='year'>
<option selected>1991</option>
<option>1990</option>
<option>1989</option>
<option>1988</option>
<option>1987</option>
<option>1986</option>
<option>1985</option>
<option>1984</option>
<option>1983</option>
<option>1982</option>
<option>1981</option>
<option>1980</option>
<option>1979</option>
<option>1978</option>
<option>1977</option>
<option>1976</option>
<option>1975</option>
<option>1974</option>
<option>1973</option>
<option>1972</option>
<option>1971</option>
<option>1970</option>
<option>1969</option>
<option>1968</option>
<option>1967</option>
<option>1966</option>
<option>1965</option>
<option>1964</option>
<option>1963</option>
<option>1962</option>
<option>1961</option>
<option>1960</option>
<option>1959</option>
<option>1958</option>
<option>1957</option>
<option>1956</option>
<option>1955</option>
<option>1954</option>
</select>
年
<select name='month'>
<option selected>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>07</option>
<option>08</option>
<option>09</option>
<option>10</option>
<option>11</option>
<option>12</option>
</select>
月
<select name='day'>
<option selected>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>07</option>
<option>08</option>
<option>09</option>
<option>10</option>
<option>11</option>
<option>12</option>
<option>13</option>
<option>14</option>
<option>15</option>
<option>16</option>
<option>17</option>
<option>18</option>
<option>19</option>
<option>20</option>
<option>21</option>
<option>22</option>
<option>23</option>
<option>24</option>
<option>25</option>
<option>26</option>
<option>27</option>
<option>28</option>
<option>29</option>
<option>30</option>
<option>31</option>
</select>
日<br>
工作单位：
<input type='Text' name='work' size='30' maxlength='50'>
<br>
通讯地址：
<input type='Text' name='ad' size='30' maxlength='50'>
*<br>
邮编：
<input type='Text' name='post' size='6' maxlength='6'>
<br>
电话：
<input type='Text' name='ph' size='15' maxlength='30'>
*<br>
传呼：
<input type='Text' name='bp' size='15' maxlength='20'>
<br>
Email：
<input type='Text' name='email' size='15' maxlength='35'>
*<br>
oicq：
<input type='Text' name='oicq' size='12' maxlength='12'>
<br>
个人说明：(在通讯录里显示，不超过125个汉字)<BR>
<textarea name='account' cols='50' rows='5'></textarea>
<br>
个人签名：（在留言簿的自动签名，不超过125个汉字）<br>
<textarea name="signature" cols="50" rows="5"></textarea>
</td>
<td height="153" width="40%"><br>
选择一个自己喜欢的头像:<br>
<img src="image/face/icon1.gif" width="32" height="32">
<input type="radio" name="face" value="1" checked>
<img src="image/face/icon2.gif" width="32" height="32">
<input type="radio" name="face" value="2">
<img src="image/face/icon3.gif" width="32" height="32">
<input type="radio" name="face" value="3">
<img src="image/face/icon4.gif" width="32" height="32">
<input type="radio" name="face" value="4">
<img src="image/face/icon5.gif" width="32" height="32">
<input type="radio" name="face" value="5">
<img src="image/face/icon6.gif" width="32" height="32">
<input type="radio" name="face" value="6">
<img src="image/face/icon7.gif" width="32" height="32">
<input type="radio" name="face" value="7">
<img src="image/face/icon8.gif" width="32" height="32">
<input type="radio" name="face" value="8">
<img src="image/face/icon9.gif" width="32" height="32">
<input type="radio" name="face" value="9">
<img src="image/face/icon10.gif" width="32" height="32">
<input type="radio" name="face" value="10">
<img src="image/face/icon11.gif" width="32" height="32">
<input type="radio" name="face" value="11">
<img src="image/face/icon12.gif" width="32" height="32">
<input type="radio" name="face" value="12">
<img src="image/face/icon13.gif" width="32" height="32">
<input type="radio" name="face" value="13">
<img src="image/face/icon14.gif" width="32" height="32">
<input type="radio" name="face" value="14">
<img src="image/face/icon15.gif" width="32" height="32">
<input type="radio" name="face" value="15">
<img src="image/face/icon16.gif" width="32" height="32">
<input type="radio" name="face" value="16">
<img src="image/face/icon17.gif" width="32" height="32">
<input type="radio" name="face" value="17">
<img src="image/face/icon18.gif" width="32" height="32">
<input type="radio" name="face" value="18">
<img src="image/face/icon19.gif" width="32" height="32">
<input type="radio" name="face" value="19">
<img src="image/face/icon20.gif" width="32" height="32">
<input type="radio" name="face" value="20">
<br>
<img src="image/face/icon21.gif" width="32" height="32">
<input type="radio" name="face" value="21">
<img src="image/face/icon22.gif" width="32" height="32">
<input type="radio" name="face" value="22">
<img src="image/face/icon23.gif" width="32" height="32">
<input type="radio" name="face" value="23">
<img src="image/face/icon24.gif" width="32" height="32">
<input type="radio" name="face" value="24">
<img src="image/face/icon25.gif" width="32" height="32">
<input type="radio" name="face" value="25">
<img src="image/face/icon26.gif" width="32" height="32">
<input type="radio" name="face" value="26">
<img src="image/face/icon27.gif" width="32" height="32">
<input type="radio" name="face" value="27">
<img src="image/face/icon28.gif" width="32" height="32">
<input type="radio" name="face" value="28">
<img src="image/face/icon29.gif" width="32" height="32">
<input type="radio" name="face" value="29">
<img src="image/face/icon30.gif" width="32" height="32">
<input type="radio" name="face" value="30">
<img src="image/face/icon31.gif" width="32" height="32">
<input type="radio" name="face" value="31">
<img src="image/face/icon32.gif" width="32" height="32">
<input type="radio" name="face" value="32">
<img src="image/face/icon33.gif" width="32" height="32">
<input type="radio" name="face" value="33">
<img src="image/face/icon34.gif" width="32" height="32">
<input type="radio" name="face" value="34">
<img src="image/face/icon35.gif" width="32" height="32">
<input type="radio" name="face" value="35">
<img src="image/face/icon36.gif" width="32" height="32">
<input type="radio" name="face" value="36">
<img src="image/face/icon37.gif" width="32" height="32">
<input type="radio" name="face" value="37">
<img src="image/face/icon38.gif" width="32" height="32">
<input type="radio" name="face" value="38">
<img src="image/face/icon39.gif" width="32" height="32">
<input type="radio" name="face" value="39">
<img src="image/face/icon40.gif" width="32" height="32">
<input type="radio" name="face" value="40">
<br>
<img src="image/face/icon41.gif" width="32" height="32">
<input type="radio" name="face" value="41">
<img src="image/face/icon42.gif" width="32" height="32">
<input type="radio" name="face" value="42">
<img src="image/face/icon43.gif" width="32" height="32">
<input type="radio" name="face" value="43">
<img src="image/face/icon44.gif" width="32" height="32">
<input type="radio" name="face" value="44">
<img src="image/face/icon45.gif" width="32" height="32">
<input type="radio" name="face" value="45">
<img src="image/face/icon46.gif" width="32" height="32">
<input type="radio" name="face" value="46">
<img src="image/face/icon47.gif" width="32" height="32">
<input type="radio" name="face" value="47">
<img src="image/face/icon48.gif" width="32" height="32">
<input type="radio" name="face" value="48">
<img src="image/face/icon49.gif" width="32" height="32">
<input type="radio" name="face" value="49">
<img src="image/face/icon50.gif" width="32" height="32">
<input type="radio" name="face" value="50">
<img src="image/face/icon51.gif" width="32" height="32">
<input type="radio" name="face" value="51">
<img src="image/face/icon52.gif" width="32" height="32">
<input type="radio" name="face" value="52">
<img src="image/face/icon53.gif" width="32" height="32">
<input type="radio" name="face" value="53">
<img src="image/face/icon54.gif" width="32" height="32">
<input type="radio" name="face" value="54">
<img src="image/face/icon55.gif" width="32" height="32">
<input type="radio" name="face" value="55">
<img src="image/face/icon56.gif" width="32" height="32">
<input type="radio" name="face" value="56">
<img src="image/face/icon57.gif" width="32" height="32">
<input type="radio" name="face" value="57">
<img src="image/face/icon58.gif" width="32" height="32">
<input type="radio" name="face" value="58">
<img src="image/face/icon59.gif" width="32" height="32">
<input type="radio" name="face" value="59">
<img src="image/face/icon60.gif" width="32" height="32">
<input type="radio" name="face" value="60">
<br>
<img src="image/face/icon61.gif" width="32" height="32">
<input type="radio" name="face" value="61">
<img src="image/face/icon62.gif" width="32" height="32">
<input type="radio" name="face" value="62">
<img src="image/face/icon63.gif" width="32" height="32">
<input type="radio" name="face" value="63">
<img src="image/face/icon64.gif" width="32" height="32">
<input type="radio" name="face" value="64">
<br>
</td>
</tr>
</table>
<div align="center">
<br>
<input type='Submit' name='submit' value='提交'>
<input type='reset' name='Reset' value='重写 '>
</div>
</form>
</td>
</tr>
</table>
</BODY>
</HTML>