极客教程PHP 表单介绍
动态网站
网站提供功能，可以用来存储、更新、检索和删除数据库中的数据。
什么是表单
一个包含空白字段的文档，用户可以填写数据或选择数据。通常情况下，数据将存储在数据库中。
示例
下面的示例展示了使用post方法的具有特定操作的表单。
<html>
<head>
<title>PHP Form Validation</title>
</head>
<body>
<?php
// define variables and set to empty values
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);
returndata;
}
?>
<h2>Tutorials Point Absolute classes registration</h2>
<form method = "post" action = "/php/php_form_introduction.htm">
<table>
<tr>
<td>Name:</td>
<td><input type = "text" name = "name"></td>
</tr>
<tr>
<td>E-mail:</td>
<td><input type = "text" name = "email"></td>
</tr>
<tr>
<td>Specific Time:</td>
<td><input type = "text" name = "website"></td>
</tr>
<tr>
<td>Class details:</td>
<td><textarea name = "comment" rows = "5" cols = "40"></textarea></td>
</tr>
<tr>
<td>Gender:</td>
<td>
<input type = "radio" name = "gender" value = "female">Female
<input type = "radio" name = "gender" value = "male">Male
</td>
</tr>
<tr>
<td>
<input type = "submit" name = "submit" value = "Submit">
</td>
</tr>
</table>
</form>
<?php
echo "<h2>Your Given details are as :</h2>";
echo name;
echo "<br>";
echoemail;
echo "<br>";
echo website;
echo "<br>";
echocomment;
echo "<br>";
echo $gender;
?>
</body>
</html>
它将生成以下结果-
