日期:2014-05-17  浏览次数:20381 次

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>