我正在处理一个带有维度字段的表单,客户可以在其中填写并提交这些字段,这些字段将保存在会话变量中。到目前为止,我成功地填写了1张表格,但在保存了1次字段数据后,客户需要有可能再次填写表格(尺寸),还有一张又一张等等。
(我在标题顶部开始了会话)
形式:
<form method="POST">
<label>A:</label>
<input name="wz_saving_a" type="text" />
<label>B:</label>
<input name="wz_saving_b" type="text" />
<input name="wz_submit_saving_1" type="submit" class="add_button" value="Add" />
</form>
用于在$_SESSION:中保存数据的PHP
if(isset($_POST['wz_submit_saving_1'])) :
// Save submit
$_SESSION['wz_submit_saving_1'] = $_POST['wz_submit_saving_1'];
// Save wz_saving_a in session
$_SESSION['wz_saving_a'] = $_POST['wz_saving_a'];
// Save wz_saving_b in session
$_SESSION['wz_saving_b'] = $_POST['wz_saving_b'];
endif;
提交后,我向客户展示提交的数据,如:
<?php if(isset($_SESSION['wz_submit_saving_1'])) : ?>
<div id="wz_config_1" class="wz_config">
<ul>
<li>Your dimensions:</li>
<li>A: <?php if(isset($_SESSION['wz_saving_a'])) : echo $_SESSION['wz_saving_a']; endif; ?> mm</li>
<li>B: <?php if(isset($_SESSION['wz_saving_b'])) : echo $_SESSION['wz_saving_b']; endif; ?> mm</li>
</ul>
<?php endif; ?>
因此,这适用于1提交,如果我提交表单,第一个表单的会话变量将被新数据刷新,但现在我需要做一些事情,以便客户可以添加多个维度集并保存在会话中。
我的想法是在每次提交表格后,将字段的每个名称更改为_1_2_3。但我不知道如何解决这个问题,所以我希望有人能给我一些建议。
如果你愿意的话,我可以给出我的例子的网址?
谢谢!
您可以使用多维会话数组:
$_SESSION['wz_saving_b'][$_POST['wz_saving_b']] = $_POST['wz_saving_b'];
或者,只需使用[]添加新密钥,但您将有重复的值
$_SESSION['wz_saving_b'][] = $_POST['wz_saving_b'];
假设用户在wz_saving_b中键入以下内容:
1
、2
、3
<?php
session_start();
?>
<form method="POST" action="">
<label>A:</label>
<input name="wz_saving_a" type="text" />
<label>B:</label>
<input name="wz_saving_b" type="text" />
<input name="wz_submit_saving_1" type="submit" class="add_button" value="Add" />
</form>
<?php
if(isset($_POST['wz_submit_saving_1'])):
$_SESSION['wz_saving_b'][$_POST['wz_saving_b']] = $_POST['wz_saving_b'];
?>
<div id="wz_config_1" class="wz_config">
<ul>
<li>Your dimensions:</li>
<li>B: <?php if(isset($_SESSION['wz_saving_b'])): foreach($_SESSION['wz_saving_b'] as $k => $v) { echo "$v "; } endif; ?> mm</li>
</ul>
<?php endif; ?>
<?php
var_dump($_SESSION);
?>
输出:
Your dimensions:
B: 1 2 3 mm
array (size=1)
'wz_saving_b' =>
array (size=3)
1 => string '1' (length=1)
2 => string '2' (length=1)
3 => string '3' (length=1)
请求的抽象:
<?php
session_start();
?>
<form method="POST" action="">
<label>A:</label>
<input name="wz_saving_a" type="text" />
<label>B:</label>
<input name="wz_saving_b" type="text" />
<label>C:</label>
<input name="wz_saving_c" type="text" />
<label>D:</label>
<input name="wz_saving_d" type="text" />
<input name="wz_submit_saving_1" type="submit" class="add_button" value="Add" />
</form>
<?php
if(isset($_POST['wz_submit_saving_1'])) {
foreach($_POST as $key => $value) {
if($key != 'wz_submit_saving_1') {
$_SESSION[$key][] = $value;
}
}
}
?>
<div id="wz_config_1" class="wz_config">
<ul>
<li>Your dimensions:</li>
<?php foreach($_SESSION as $k => $v): ?>
<?php foreach($v as $saving => $wz): ?>
<li><?= strtoupper(substr($k, 10));?> : <?=$wz;?> mm</li>
<?php endforeach; ?>
<?php endforeach; ?>
</ul>
<?php
var_dump($_SESSION);
?>
我在这里用一些数字做了一些随机输入。输出为:
Your dimensions:
A : 1 mm
A : 6 mm
A : 5 mm
B : 1 mm
B : 6 mm
B : 5 mm
C : 4 mm
C : 8 mm
C : 5 mm
D : 4 mm
D : 7 mm
D : 5 mm
array (size=4)
'wz_saving_a' =>
array (size=3)
0 => string '1' (length=1)
1 => string '6' (length=1)
2 => string '5' (length=1)
'wz_saving_b' =>
array (size=3)
0 => string '1' (length=1)
1 => string '6' (length=1)
2 => string '5' (length=1)
'wz_saving_c' =>
array (size=3)
0 => string '4' (length=1)
1 => string '8' (length=1)
2 => string '5' (length=1)
'wz_saving_d' =>
array (size=3)
0 => string '4' (length=1)
1 => string '7' (length=1)
2 => string '5' (length=1)
根据提供的代码,这应该有效,我尝试在位置x
上输入一次1
和2
mm,然后在位置y
上输入4
和5
mm,输出为:
Rechte sparing 1
Formaat van de sparing:
A: 1 mm
B: 2 mm
Positionering van de sparing:
x
Rechte sparing 1
Formaat van de sparing:
A: 4 mm
B: 5 mm
Positionering van de sparing:
y
代码:
<?php
if(isset($_POST['wz_submit_saving_1'])) :
$straight_saving = array(
'wz_str_saving' => $_POST['wz_str_saving'],
'wz_saving_a' => $_POST['wz_saving_a'],
'wz_saving_b' => $_POST['wz_saving_b'],
'wz_submit_saving_1' => $_POST['wz_submit_saving_1']
);
$_SESSION['straight_saving'][] = $straight_saving;
endif;
if(isset($_SESSION['straight_saving'])) :
foreach($_SESSION['straight_saving'] as $sav) {
?>
<div class="wz_config">
<h3>Rechte sparing 1</h3>
<ul>
<li>
<ul>
<li>Formaat van de sparing:</li>
<li>A: <?php echo $sav['wz_saving_a']; ?> mm</li>
<li>B: <?php echo $sav['wz_saving_b']; ?> mm</li>
</ul>
</li>
<li>
<ul>
<li>Positionering van de sparing:</li>
<li><?php echo $sav['wz_str_saving']; ?></li>
</ul>
</li>
</ul>
<div class="clear"></div>
</div><!--End wz_config_1-->
<?php } endif; ?>