Html 两个动作表单和两个提交按钮,如何保存这些值?
我在页面中有2个动作表单和2个提交按钮 1是缩放级别 1是以秒为单位的刷新率 当我点击提交缩放时,刷新率被重置 当我点击提交刷新率时,缩放级别被重置 当一个下拉列表设置为某个值时,如何保持另一个下拉列表的值 我认为这是noobs面临的一个常见问题,所以最好能从专家那里得到一些很好的解释和指导 代码是:Html 两个动作表单和两个提交按钮,如何保存这些值?,html,forms,submit,action,Html,Forms,Submit,Action,我在页面中有2个动作表单和2个提交按钮 1是缩放级别 1是以秒为单位的刷新率 当我点击提交缩放时,刷新率被重置 当我点击提交刷新率时,缩放级别被重置 当一个下拉列表设置为某个值时,如何保持另一个下拉列表的值 我认为这是noobs面临的一个常见问题,所以最好能从专家那里得到一些很好的解释和指导 代码是: <?php $submittedValue = ""; $value0 = 1; $value1 = 1.2; $value2
<?php
$submittedValue = "";
$value0 = 1;
$value1 = 1.2;
$value2 = 1.5;
$value3 = 2;
if (isset($_POST["FruitList"])) {
$submittedValue = $_POST["FruitList"];
}
?>
<form action="example3b2vandaag.php" name="fruits" method="post">
<select project="FruitList" id="FruitList" name="FruitList">
<option value = "<?php echo $value0; ?>"<?php echo ($value0 == $submittedValue)?" SELECTED":""?>><?php echo "off"; ?></option>
<option value = "<?php echo $value1; ?>"<?php echo ($value1 == $submittedValue)?" SELECTED":""?>><?php echo $value1; ?></option>
<option value = "<?php echo $value2; ?>"<?php echo ($value2 == $submittedValue)?" SELECTED":""?>><?php echo $value2; ?></option>
<option value = "<?php echo $value3; ?>"<?php echo ($value3 == $submittedValue)?" SELECTED":""?>><?php echo $value3; ?></option>
</select>
<input type="submit" name="submit" id="submit" value="Set zoom level" />
</form>
<?php
$submittedValue = "";
$value0 = 1000;
$value1 = 20000;
$value2 = 30000;
$value3 = 90000;
if (isset($_POST["FruitList2"])) {
$submittedValue = $_POST["FruitList2"];
}
?>
<form action="example3b2vandaag.php" name="fruits2" method="post">
<select project="FruitList2" id="FruitList2" name="FruitList2">
<option value = "<?php echo $value0; ?>"<?php echo ($value0 == $submittedValue)?" SELECTED":""?>><?php echo $value0; ?></option>
<option value = "<?php echo $value1; ?>"<?php echo ($value1 == $submittedValue)?" SELECTED":""?>><?php echo $value1; ?></option>
<option value = "<?php echo $value2; ?>"<?php echo ($value2 == $submittedValue)?" SELECTED":""?>><?php echo $value2; ?></option>
<option value = "<?php echo $value3; ?>"<?php echo ($value3 == $submittedValue)?" SELECTED":""?>><?php echo $value3; ?></option>
</select>
<input type="submit" name="submit" id="submit" value="Set refresh milliseconds" />
</form>
我看不出你为什么想要两张表格,你可以把两个选择框放在一张表格里。
请不要使用非智能变量名,如$value0、$submittedValue和$Fruitlist,因为这与水果无关
以下是一个表格中的两个选择框:
<?php
$zoom = "";
$zoom0 = 1;
$zoom1 = 1.2;
$zoom2 = 1.5;
$zoom3 = 2;
$refresh = "";
$refresh0 = 1000;
$refresh1 = 20000;
$refresh2 = 30000;
$refresh3 = 90000;
if (isset($_POST["zoom"])) {
$zoom = $_POST["zoom"];
}
if (isset($_POST["refresh"])) {
$refresh = $_POST["refresh"];
}
?>
<form action="testForm.php" name="controlpanel" method="post">
ZoomLevel:<br />
<select project="ControlPanel" id="ControlPanel" name="zoom">
<option value = "<?php echo $zoom0; ?>"<?php echo ($zoom0 == $zoom)?" SELECTED":""?>><?php echo "off"; ?></option>
<option value = "<?php echo $zoom1; ?>"<?php echo ($zoom1 == $zoom)?" SELECTED":""?>><?php echo $zoom1; ?></option>
<option value = "<?php echo $zoom2; ?>"<?php echo ($zoom2 == $zoom)?" SELECTED":""?>><?php echo $zoom2; ?></option>
<option value = "<?php echo $zoom3; ?>"<?php echo ($zoom3 == $zoom)?" SELECTED":""?>><?php echo $zoom3; ?></option>
</select>
<br />
Refresh rate:<br />
<select project="ControlPanel" id="ControlPanel" name="refresh">
<option value = "<?php echo $refresh0; ?>"<?php echo ($refresh0 == $refresh)?" SELECTED":""?>><?php echo $refresh0; ?></option>
<option value = "<?php echo $refresh1; ?>"<?php echo ($refresh1 == $refresh)?" SELECTED":""?>><?php echo $refresh1; ?></option>
<option value = "<?php echo $refresh2; ?>"<?php echo ($refresh2 == $refresh)?" SELECTED":""?>><?php echo $refresh2; ?></option>
<option value = "<?php echo $refresh3; ?>"<?php echo ($refresh3 == $refresh)?" SELECTED":""?>><?php echo $refresh3; ?></option>
</select><br />
<input type="submit" name="submit" id="submit" value="Set configurations" />
</form>
ZoomLevel: