编辑时选择的项目下拉菜单 [英] selected item ind dropdown when editing
问题描述
我有这个代码:
<select name="group">
<option value="">Choose a group....</option>
<?php foreach($groups as $group):?>
<option value="<?php echo $group['groupID']?>" selected="yes"><?php echo $group['name']?></option>
<?php endforeach;?>
</select>
我的问题是如何在我的下拉列表中编写选项标签,以便在我编辑现有数据,我将编辑的数据的选定组(管理员,用户,主持人)将在我编辑it.thanks时出现。
my question is how would i code the 'option' tag in my dropdown so that when i edit an existing data, the selected group(admin, users, moderators) of the data i will be editing will appear when i edit it.thanks.
推荐答案
选项标签的selected =yesHTML属性应该只有一个。您需要将其放在正确的组中。
The selected="yes" HTML attribute of the option tag should be only one. You need to put it on the right group.
设置像$ selected_group这样的PHP变量,如果组是正确的组,则为true,并且仅为那个小组。
将其设置为false。
Set a PHP variable like $selected_group that is true if the group is the right one, and print the selected attribute only for that group. Set it to false instead.
例如,如果您选择的组ID被设置为一个名为groupID的请求参数,则应使用以下代码: p>
For example, if your selected group id is putted as a request parameter called groupID you should use the code below:
<select name="group">
<option value="">Choose a group....</option>
<?php foreach($groups as $group):?>
<?php if ($group['groupID'] == $_REQUEST['groupID']) $selected_group = true; else $selected_group = false; ?>
<option value="<?php echo $group['groupID']?>" <? if ($selected_group) echo 'selected="yes"'; ?>><?php echo $group['name']?></option>
<?php endforeach;?>
</select>
您可以将选择的groupid设置为$ groups中的数组成员,例如:
You could set the chosen groupid as a array member inside $groups, for example:
$groups[0]['selected'] = true;
在这种情况下,如下所示更改循环中的行:
In this case change the line inside the loop like this one:
<?php if ($group['selected']) $selected_group = true; else $selected_group = false; ?>
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