php学习之路五（表单验证）htmlheadtitlePHP处理表单/title/headbodyh2请填写个人信息/h2f
php学习之路五（表单验证）
<html><head><title>PHP处理表单</title></head><body><h2>请填写个人信息</h2><form action="ChuLi1.php" method="post"> <fieldset> 姓名：<input type="text" name="name" required="required"><br>年龄：<select name="age" ><?php for ($i=12;$i<30;$i++){?><option value="<?php echo $i;?>"><?php echo $i;?></option> <?php }?></select> <br>密码：<input type="password" placeholder="请填写密码" name="password"><br>邮箱：<input type="email" name="email"><br><label for="mysubmit">提交</label><input type="submit" id="mysubmit" value="提交"><input type="reset" value="重置"><br></fieldset></form></body></html>验证页面：
<?php$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($name)<3||strlen($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($password)<3||strlen($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><a href="FormFirst.php">返回</a></h3>