动态添加选项与阿贾克斯选择 [英] Dynamically add options to select with ajax
问题描述
我想要动态地使用PHP,jQuery和AJAX一个框中添加的选项。
I'm trying to dynamically add options to a box using PHP, jQuery and AJAX.
首先,当第一控制(标记列表)被改变一个呼叫到AJAX:
First, a call to AJAX when the first control (taglist) is changed:
$('#taglist').change(function(){
$.post('../includes/ajax.php', {
taglist:$(this).find("option:selected").attr('value')}, function(data) {
$("#catlist").html(data.catlist);
});
});
一个PHP函数fillselecteditmultiple()我已经写了填充以下格式的刺痛:
A PHP function fillselecteditmultiple() I've written populates a sting of the following format:
$options = '<option value="1">Option 1</option><option value="2">Option 2</option><option value="3">Option 3</option>';
这是我用json_en code这个样子返回页面:
which I return it to the page using json_encode like this:
if(isset($_POST['taglist'])){
$catresult = mysql_query("select catid from category_tags where id='".$_POST['taglist']."'");
$rowcat = mysql_fetch_array($catresult);
$catlist = '<select name="cat_id[]" size="5" multiple id="cat_id[]">';
$catlist .= fillselecteditmultiple(1, 0, $rowcat['catid']);
$catlist .= '</select>';
echo json_encode(array("status"=>"success", "catlist" => $catlist));
}
我需要返回字符串($ catlist)内部的&LT;选择一个id =myList上&GT;&LT; /选择&GT;
相应地使最终输出是这样的:
I need to return that string ($catlist) inside of a <select id="mylist"></select>
accordingly so that the final output is this:
<select id="mylist">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
</select>
在萤火虫我看到页面显示正确的反应,但什么都没有。
In Firebug I see the response correctly but nothing shown in the page.
我应该怎么办呢?请询问任何澄清,如果你觉得泰德我的问题是不完整的。
How should I do this? Please ask for any clarifications if you feel thet my question is incomplete.
推荐答案
如果您有jQuery的lib目录运行做这样的事情:
If you have jquery lib running do something like this:
$.ajax({
url: 'your_script_url.php',
success: function(data) {
$('#mylist').html(data);
}
});
另外,您可以将数据追加,如果你想添加额外的选项
alternatively you could append the data if you wanted to add extra options
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