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订购我有这样的html代码:我怎样才能做一个排序复选框列表与数组
<div id="format">
<ul id="sortable">
<li id="item1">
<input class="checkbox" id="item1" name="params[checklist][]" value="item1" checked="checked" type="checkbox">
<label for="item1">Item 1</label>
</li>
<li id="item2">
<input class="checkbox" id="item2" name="params[checklist][]" value="item2" checked="checked" type="checkbox">
<label for="item2">Item 2</label>
</li>
<li id="item3">
<input class="checkbox" id="item3" name="params[checklist][]" value="item3" checked="checked" type="checkbox">
<label for="item3">Item 3</label>
</li>
</ul>
</div>
<input name="params[positions]" id="paramspositions" value="item2,item3,item1" class="text_area" size="50" type="text" />
和这个jQuery/UI代码:
jQuery.noConflict();
//function that restores the list order from #paramspositions default value
function restoreOrder() {
var list = jQuery("#format ul");
if (list == null) return
var old = jQuery("#paramspositions").val();
// make array from saved order
var IDs = old.split(",");
// fetch current order
var items = list.sortable("toArray");
// make array from current order
var rebuild = new Array();
for (var v = 0, len = items.length; v < len; v++) {
rebuild[items[v]] = items[v];
}
for (var i = 0, n = IDs.length; i < n; i++) {
// item id from saved order
var itemID = IDs[i];
if (itemID in rebuild) {
// select item id from current order
var item = rebuild[itemID];
// select the item according to current order
var child = jQuery("ul.ui-sortable").children("#" + item);
// select the item according to the saved order
var savedOrd = jQuery("ul.ui-sortable").children("#" + itemID);
// remove all the items
child.remove();
// add the items in turn according to saved order
// we need to filter here since the "ui-sortable"
// class is applied to all ul elements and we
// only want the very first! You can modify this
// to support multiple lists - not tested!
jQuery("ul.ui-sortable").filter(":first").append(savedOrd);
}
}
}
jQuery(function() {
jQuery("#sortable").sortable({
opacity: 0.6,
update: function(event, ui) {
aggiornaTesto();
}
});
//function that updates #paramspositions value on check/uncheck and on moving checkbox
function aggiornaTesto() {
ids = [];
jQuery("input:checkbox:checked").each(function(n) {
ids.push(jQuery(this).attr("value"));
});
jQuery("#paramspositions").val(ids);
}
// here, we reload the saved order
restoreOrder();
jQuery(".checkbox").button();
jQuery("#sortable input").click(aggiornaTesto);
}); // JavaScript Document
这是我的问题:
- 在这种情况下,所有作品除了更新输入值检查/取消选中
- 如果我删除标签上的标签标签除了restoreOrder之外的所有作品加载
如何使这项工作?基本上我需要一个可排序的复选框列表,在加载页面的列表顺序依赖于一个数组,并在检查/取消选中和移动项目更新输入值。 非常感谢你,对我的英语感到抱歉。