php学习之路五(表单验证)
<title>PHP处理表单</title> <body> <h2>请填写个人信息</h2> <fieldset> 姓名:<br> 年龄: <?php for ($i=12;$i "><?php echo $i;?> <?php }?> <br> 密码:<br> 邮箱:<br> <label for="mysubmit">提交</label> <p>5本文来源gao!daima.com搞$代!码#网#</p><pre>搞代gaodaima码
验证页面:
<?php $name=$_POST["name"]; $age=$_POST["age"]; $email=$_POST["email"]; $password=$_POST["password"]; //姓名验证 if (empty($name)){ echo "姓名不得为空<br>"; }else if (strlen($name)10){ echo "姓名长度必须在3到10之间!<br>"; }else { echo "姓名: ".$name."<br>"; } //密码验证 if (empty($password)){ echo "密码不得为空<br>"; }else if (strlen($password)10){ echo "密码长度必须在3到10之间!<br>"; }else if(!ereg("[0-9a-zA-Z]+",$password)){ echo "密码必须为数字和字符组合!<br>"; }else { echo "密码: ".$password."<br>"; } //邮件地址验证 if (empty($email)){ echo "邮件地址不得为空!!!"; }else if (!ereg("^[a-zA-Z0-9_.]+@([a-zA-Z0-9_]+.)+[a-zA-Z]{2,3}$", $email)){ echo "邮件地址格式不对!!!"; }else { echo "邮件地址: ".$email."<br>"; } ?><h3>返回</h3>