Jquery实现弹出选择框选择后返回，支持多级分类
浏览数：47 /
时间：2015年06月09日
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>选择收件人</title>
<script src="../jquery-1.11.1.min.js" type="text/javascript"></script>
<script src="friend.js" type="text/javascript"></script>
</head>
<body>
收件人:<input type="text" name="my-name" id="my-name" value="请选择收件人" onclick="pop()" />
<input type="hidden" name="my-value" id="my-value" />
<!--alert layer-->
<div id="choose-box-wrapper">
<div id="choose-box">
<div id="choose-box-title">
<span>选择好友</span>
</div>
<div id="choose-a-class">
</div>
<div>
<ul id="choose-a-item">
</ul>
</div>
<div id="choose-box-bottom">
<input type="button" onclick="doSelect()" value="确定" />
<input type="button" onclick="hide()" value="关闭" />
</div>
</div>
</div>
<!--alert layer-->
<script type="text/javascript">
//弹出窗口
function pop(){
//将窗口居中
makeCenter();
//初始化分类列表
initLayerClass();
//默认情况下, 给第一个分类添加choosen样式
$('[class-id="1"]').addClass('choosen');
//初始化ITEM列表
initItemList(1);
}
//隐藏窗口
function hide() {
$('#choose-box-wrapper').css("display", "none");
}
//获取选择值
function doSelect() {
var list = $(".class-item-ck");
var text = "";
var value = "";
list.each(function () {
if ($(this).is(':checked')) {
text += $(this).attr("item-name") + ";";
value += $(this).attr("item-id");
};
});
$('#my-name').val('').val(text);
$('#my-value').val('').val(value);
//关闭弹窗
hide();
};
function initLayerClass()
{
//原先的分类列表清空
$('#choose-a-class').html('');
for (i = 0; i < itemList.length; i++) {
$('#choose-a-class').append('<a class="class-item" class-id="' + itemList[i].id + '">' + itemList[i].name + '</a>');
}
//添加分类列表项的click事件
$('.class-item').bind('click', function () {
var item = $(this);
var classid = item.attr('class-id');
var choosenItem = item.parent().find('.choosen');
if (choosenItem) {
$(choosenItem).removeClass('choosen');
}
item.addClass('choosen');
//更新列表
initItemList(classid);
}
);
}
function initItemList(classid)
{
//原先列表清空
$('#choose-a-item').html('');
var mitems = itemList[classid - 1].items;
for (i = 0; i < mitems.length; i++) {
var html = '<li class="itemli">';
html += '<a class="mdata-item" item-id="' + mitems[i].id + '">' + mitems[i].name + '</a>';
html += '<input type="checkbox" class="class-item-ck" item-id="' + mitems[i].id + '" item-name="' + mitems[i].name + '" />';
html += '</li>';
$('#choose-a-item').append(html);
}
//添加详细列表项的click事件
$('.mdata-item').bind('click', function(){
var item=$(this);
//更新选择文本框中的值
$('#my-name').val(item.text());
//关闭弹窗
hide();
}
);
}
function makeCenter()
{
$('#choose-box-wrapper').css("display","block");
$('#choose-box-wrapper').css("position","absolute");
$('#choose-box-wrapper').css("top", Math.max(0, (($(window).height() - $('#choose-box-wrapper').outerHeight()) / 2) + $(window).scrollTop()) + "px");
$('#choose-box-wrapper').css("left", Math.max(0, (($(window).width() - $('#choose-box-wrapper').outerWidth()) / 2) + $(window).scrollLeft()) + "px");
}
</script>
<style type="text/css">
#choose-box-wrapper{
width: 652px;
background-color:#000;
filter:alpha(opacity=50);
background-color: rgba(0, 0, 0, 0.5);
padding:10px;
border-radius:5px;
display:none;
}
#choose-box{
border: 1px solid #005EAC;
width:650px;
background-color:white;
}
#choose-box-title{
background:#3777BC;
color: white;
padding: 4px 10px 5px;
font-size: 14px;
font-weight: 700;
margin: 0;
}
#choose-box-title span{
font-family: Tahoma, Verdana, STHeiTi, simsun, sans-serif;
}
#choose-a-class, #choose-a-item{
margin:5px 8px 10px 8px;
border: 1px solid #C3C3C3;
}
#choose-a-class a{
display:inline-block;
height: 18px;
line-height: 18px;
color:#005EAC;
text-decoration: none;
font-size: 9pt;
font-family: Tahoma, Verdana, STHeiTi, simsun, sans-serif;
margin:2px 5px;
padding: 5px;
text-align: center;
}
#choose-a-class a:hover{
text-decoration: none;
cursor:pointer;
}
#choose-a-class .choosen{
background-color: #005EAC;
color:white;
}
#choose-a-item{
overflow-x: hidden;
overflow-y: auto;
height: 200px;
}
#choose-a-item a{
height: 18px;
line-height: 18px;
color:#005EAC;
text-decoration: none;
font-size: 9pt;
font-family: Tahoma, Verdana, STHeiTi, simsun, sans-serif;
float: left;
padding:2px 5px 2px 5px;
margin: 4px;
padding-left:10px;
background:url(2012072500060712.gif) no-repeat 0 9px;
}
#choose-a-item a:hover{
background-color:#005EAC;
color:white;
cursor:pointer;
}
#choose-a-item .itemli{
width:100px;
list-style:none;
float:left;
}
#choose-a-item .class-item-ck
{
margin-top:10px;
display:inline;
}
#choose-box-bottom{
background: #F0F5F8;
padding: 8px;
text-align: right;
border-top: 1px solid #CCC;
height:40px;
}
#choose-box-bottom input{
vertical-align: middle;
text-align: center;
background-color:#005EAC;
color:white;
border-top: 1px solid #B8D4E8;
border-left: 1px solid #B8D4E8;
border-right: 1px solid #114680;
border-bottom: 1px solid #114680;
cursor: pointer;
width: 60px;
height: 25px;
margin-top: 6px;
margin-right: 6px;
}
</style>
</body>
</html>
var itemList = [
{
"id": 1,
"items": [{
"id": 1001,
"name": "张三1"
},
{
"id": 1002,
"name": "李四1"
},
{
"id": 1003,
"name": "王五1"
},
{
"id": 1004,
"name": "赵六1"
},
{
"id": 1005,
"name": "赵七1"
}],
"name": "我的同学"
},
{
"id": 2,
"items": [{
"id": 1001,
"name": "张三2"
},
{
"id": 1002,
"name": "李四2"
},
{
"id": 1003,
"name": "王五2"
},
{
"id": 1004,
"name": "赵六2"
},
{
"id": 1005,
"name": "赵七2"
}],
"name": "我的同事"
}
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