具有相同名称属性的复选框组和其他文本框？

Question

假设我有几个复选框选择：

<p class='question'>Reasons why it is down. Click as many as apply.</p>
<input type='checkbox' name='production-down' value='Decrease in demand' required>Decrease in demand <br>
<input type='checkbox' name='production-down' value='Expected Decrease in demand'>Expected Decrease in demand <br/>
<input type='checkbox' name='production-down' value='Technical difficulties in production'>Technical difficulties    in production <br/>
<input type='checkbox' name='production-down' value='Shortage in raw materials'>Shortage in raw materials <br/>
<input type="checkbox" name="production-down" value='other' />Other
<input id='productionDownOther' name='other-production-down' type='text'/>

如果我要选中other复选框。 我应该给#productionDownOther文本框赋予与复选框相同的名称属性吗？ 那应该是吗？

我打算使用php方法implode将选定的值添加在一起，并将其插入数据库的一列中。

如果我的计划有误，请告诉我，如果是/否，请告诉我原因。 我是Web开发的新手。 仍然期待学习。

Answer 1

首先，您要允许多个选项吗？ 或一次只允许一个复选框。 如果是第一个选项，则需要在每个复选框名称的末尾添加[] ，以便production-down变为production-down[] 。 这样，PHP会将所有值放入一个数组中，而不是用下一个覆盖先前的值。 如果只需要一个选项，请将type="checkbox"更改为type="radio" 。

至于其他选择，您可以执行以下操作：

<?php

$other = null;
if (in_array('other', $_POST['production-down']) || $_POST['production-down'] == 'other') {
    $other = $_POST['other-production-down'];
}

// database stuff here

请注意，在输入数据库之前，应始终清除数据。 同样，检查post值是否确实存在也是明智的，这样PHP不会发出通知。

Answer 2

只需将name属性更改为array即可：

<input type='checkbox' name='production-down[]' value='Decrease in demand' required>Decrease in demand <br>
<input type='checkbox' name='production-down[]' value='Expected Decrease in demand'>Expected Decrease in demand <br/>
<input type='checkbox' name='production-down[]' value='Technical difficulties in production'>Technical difficulties    in production <br/>
<input type='checkbox' name='production-down[]' value='Shortage in raw materials'>Shortage in raw materials <br/>
<input type="checkbox" name="production-down[]" value='other' />Other
<input id='productionDownOther' name='other-production-down' type='text'/>

并插入使用内implode

$check=$_POST['check'] //it is array of checkbox value
//convert in in string with comma seprated
$new_check=implode(",",$check);

Answer 3

您必须像这样将名称用作数组

<html> 
<head>  
<?php if(isset( $_POST['production-down'])) {
$name =  $_POST['production-down'];

foreach ($name as $color){
if($chk == "other" )
$chk=$_POST['production-down-name'];

echo $chk."<br />"; }  }?>
</head>
<body>
<form method="POST">
   <p class='question'>Reasons why it is down. Click as many as apply.</p>
<input type='checkbox' name='production-down[]' value='Decrease in demand' required>Decrease in demand <br>
<input type='checkbox' name='production-down[]' value='Expected Decrease in demand'>Expected Decrease in demand <br/>
<input type='checkbox' name='production-down[]' value='Technical difficulties in production'>Technical difficulties    in production <br/>
<input type='checkbox' name='production-down[]' value='Shortage in raw materials'>Shortage in raw materials <br/>
<input type="checkbox" name="production-down[]" value='other' />Other
<input id='productionDownOther' name='production-down-name' type='text'/>
<input type="submit" name="submit" value="submit"/>
</form>   
</body>
</html>