PHP 양식을 확인할 때 21행의 F:\apache\Apache24\htdocs\chap01\form1.php에 있는 주의 사항: 정의되지 않은 색인: 이메일이 나타나면 어떻게 해야 합니까?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

< ;html xmlns="http://www.w3.org/1999/xhtml">

<head>

</script>

</ style>

</head>

<body>

<?php

$name = $email =$gender =$comment = $website ="";

if($_SERVER ["REQUEST_METHOD"] == "POST"){

$name = test_input($_POST["name"]);

$email = test_input($_POST["email"]);

$website = test_input ($_POST["웹사이트"]);

$comment = test_input($_POST["comment"]);

$gender = test_input($_POST["gender"]);

}

function test_input( $data){

$data = Trim($data);

$data = 스트립슬래시($data);

$data = htmlspecialchars($data);

return $data;

}

?> ;

姓명:< input type="text" name ="name">

电邮:<input type="text" email ="email">

网址:<input type="text" website ="website">

评论:<input type="text" comment = "comment">

性别:

<input type="radio" name ="gender" vlaue ="female">女性

<input type="radio" name =" 성별" vlaue ="남성">男性

</form>

<?php

echo "<h2>您的输入为：</h2>";

echo "<br>";

echo $name;

echo "< br>";

echo $email;

echo "<br>";

echo $website;

echo "<br>";

echo $comment;

echo "<br>";

echo $gender;

? >

</body>

</html>

W2553일 전1438

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>表单验证</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="description" content="" /> <meta name="keywords" content="" /> <script type="text/javascript"> </script> <style type="text/css"> </style> </head> <body> <?php $name = $email = $gender =$comment = $website =""; if($_SERVER["REQUEST_METHOD"] == "POST"){ $name = test_input($_POST["name"]); $email = test_input($_POST["email"]); $website = test_input($_POST["website"]); $comment = test_input($_POST["comment"]); $gender = test_input($_POST["gender"]); } function test_input($data){ $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data); return $data; } ?> <h2> php 验证实列</h2> <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> 姓名:<input type="text" name="name"> <br><br> 电邮:<input type="text" name="email"> <br><br> 网址:<input type="text" name="website"> <br><br> 评论:<input type="text" name="comment"> <br><br> 性别: <input type="radio" name="gender" vlaue ="female">女性 <input type="radio" name="gender" vlaue ="male">男性 <br><br> <input type="submit" name="submit" value = "提交"> </form> <?php echo "<h2>您的输入为：</h2>"; echo "<br>"; echo $name; echo "<br>"; echo $email; echo "<br>"; echo $website; echo "<br>"; echo $comment; echo "<br>"; echo $gender; ?> </body> </html>

PHP 양식을 확인할 때 21행의 F:\apache\Apache24\htdocs\chap01\form1.php에 있는 주의 사항: 정의되지 않은 색인: 이메일이 나타나면 어떻게 해야 합니까?

모든 응답(2)나는 대답할 것이다