我创建了一个HTML表单,询问用户他们使用的营销类型。根据他们的回答,我打算基于这些变体构建一个PHP推荐系统。我从一个基本函数开始,但无论我是不选中任何复选框还是全部选中复选框,它都会不断返回相同的echo语句。这是HTML代码。
<p>Marketing Mix:</p>
<input type="checkbox" name="TV" value="TV">TV<br>
<input type="checkbox" name="Radio" value="Radio">Radio<br>
<input type="checkbox" name="Search" value="Search">Search<br>
<input type="checkbox" name="Mobile" value="Mobile">Mobile<br>
<input type="checkbox" name="Mail" value="Mail">Direct Mail<br>
<br>
这里是处理HTML表单的PHP函数
function adMix () {
$tv = (isset($_POST['TV']));
$radio = (isset($_POST['Radio']));
$search = (isset($_POST['Search']));
$mobile = (isset($_POST['Mobile']));
$mail = (isset($_POST['Mail']));
if ($tv || $radio || $search || $mobile || $mail) {
echo "You are running a comprehensive ad campaign.";
} else {
echo "You can do more to market your dealership.";
}
}
如有任何帮助,我们将不胜感激。到星期天为止,我已经尝试了六种编码方式,但我已经有一段时间没有用PHP编写了,只是无法理解。
这里有一个方法,您不需要担心为复选框指定不同的名称,只需检查是否选择了一定数量的复选框。
每个选择的选项的值将在通过foreach
填充时自动得到回显。
旁注: 要选择您想要的最小数量,请将数字3更改为您想要的数字。
这使用PHP的count()
函数来"计数"选择了多少个复选框,并将所有复选框的名称用作数组。
您可以更改:(如果等于3或更多)
if(count($_POST['choices']) >= 3)
至:(如果恰好等于3)
if(count($_POST['choices']) == 3)
以便获得精确匹配,或者将其保留为:
if(count($_POST['choices']) >= 3)
以检查是否已经选择了3个或更多。您可以根据需要更改该数字。
<form action="" method="post">
<p>Marketing Mix:</p>
<input type="checkbox" name="choices[]" value="TV">TV<br>
<input type="checkbox" name="choices[]" value="Radio">Radio<br>
<input type="checkbox" name="choices[]" value="Search">Search<br>
<input type="checkbox" name="choices[]" value="Mobile">Mobile<br>
<input type="checkbox" name="choices[]" value="Mail">Direct Mail<br>
<br>
<input type="submit" name="submit" value="Submit">
</form>
<?php
function adMix () {
if(isset($_POST['submit'])
&& isset($_POST['choices']) ){
echo "You entered ";
foreach($_POST['choices'] as $choice){
echo "<b>" . $choice . "</b> ";
}
if(count($_POST['choices']) >= 3){
echo "You are running a comprehensive ad campaign.";
}
else{
echo "<i>You can do more to market your dealership.</i>";
}
}
}
adMix();
?>
您需要一个表单和一个按钮来发送信息,请尝试以下操作:
<form action='' method='POST'>
<p>Marketing Mix:</p>
<input type="checkbox" name="TV" value="TV">TV<br>
<input type="checkbox" name="Radio" value="Radio">Radio<br>
<input type="checkbox" name="Search" value="Search">Search<br>
<input type="checkbox" name="Mobile" value="Mobile">Mobile<br>
<input type="checkbox" name="Mail" value="Mail">Direct Mail<br>
<br>
<input type=submit value='Send' name = 'send'>
</form>
<?php
function adMix () {
$tv = isset($_POST['TV']);
$radio = isset($_POST['Radio']);
$search = isset($_POST['Search']);
$mobile = isset($_POST['Mobile']);
$mail = isset($_POST['Mail']);
if (($tv || $radio || $search || $mobile || $mail)) {
echo "You are running a comprehensive ad campaign.";
} else if (isset($_POST['send'])) {
echo "You can do more to market your dealership.";
}
}
adMix();
?>