点击(此处)折叠或打开

<!doctype html>
<html lang=\"en\">
<head>
<meta charset=\"UTF-8\">
<title>菜单垂直展开折叠</title>
<style type=\"text/css\">
.wrap-menu {width:778px; margin:0 auto; overflow:auto; width:300px; background:#F6F6F6; font:12px/1.5 Tahoma,Arial,sans-serif}
.wrap-menu ul{ list-style:none; margin:0; padding:0;}
.wrap-menu ul li{ text-indent:3em; white-space:nowrap; }
.wrap-menu ul li h2{ cursor:pointer; height:100%; width:100%; margin:0 0 1px 0; font:12px/31px \'宋体\'; color:#fff; background:red;}
.wrap-menu ul li a{ display:block; outline:none; height:25px; line-height:25px; margin:1px 0; color:#1A385C; text-decoration:none;}
.wrap-menu ul li img{ margin-right:10px; margin-left:-17px; margin-top:9px; width:7px; height:7px; background:url(/jscss/demoimg/201402/arrow.gif) no-repeat; border:none;}
.wrap-menu ul li img.unfold{ background-position:0 -9px;}
.wrap-menu ul li a:hover{ background-color:#ccc; background-image:none;}
</style>
<script src=\"/ajaxjs/jquery-1.6.2.min.js\"></script>
<script>
function AccordionMenu(options) {
this.config = {
containerCls : \'.wrap-menu\',// 外层容器
menuArrs: \'\',// JSON传进来的数据
type: \'click\', // 默认为click 也可以mouseover
renderCallBack: null, // 渲染html结构后回调
clickItemCallBack: null // 每点击某一项时候回调
};
this.cache = {
};
this.init(options);
}
AccordionMenu.prototype = {
constructor: AccordionMenu,
init: function(options){
this.config = $.extend(this.config,options || {});
var self = this,
_config = self.config,
_cache = self.cache;
// 渲染html结构
$(_config.containerCls).each(function(index,item){
self._renderHTML(item);
// 处理点击事件
self._bindEnv(item);
});
},
_renderHTML: function(container){
var self = this,
_config = self.config,
_cache = self.cache;
var ulhtml = $(\
'
\'
);
$(_config.menuArrs).each(function(index,item){
var lihtml = $(\'
\'+item.name+\'

)

;

if(item.submenu && item.submenu.length > 0) {
self._createSubMenu(item.submenu,lihtml);
}
$(ulhtml).append(lihtml);
});
$(container).append(ulhtml);
_config.renderCallBack && $.isFunction(_config.renderCallBack) && _config.renderCallBack();
// 处理层级缩进
self._levelIndent(ulhtml);
},
/**
* 创建子菜单
* @param {array} 子菜单
* @param {lihtml} li项
*/
_createSubMenu: function(submenu,lihtml){
var self = this,
_config = self.config,
_cache = self.cache;
var subUl = $(\
'
\'
),
callee = arguments.callee,
subLi;
$(submenu).each(function(index,item){
var url = item.url || \'javascript:void(0)\';
subLi = $(\'
+url+\'\">\'+item.name+\'

)

;

if(item.submenu && item.submenu.length > 0) {
$(subLi).children(\'a\').prepend(\' $\"\"/$ \');
callee(item.submenu, subLi);
}
$(subUl).append(subLi);
});
$(lihtml).append(subUl);
},
/**
* 处理层级缩进
*/
_levelIndent: function(ulList){
var self = this,
_config = self.config,
_cache = self.cache,
callee = arguments.callee;
var initTextIndent = 2,
lev = 1,
$oUl = $(ulList);
while($oUl.find(\'ul\').length > 0){
initTextIndent = parseInt(initTextIndent,10) + 2 + \'em\';
$oUl.children().children(\'ul\').addClass(\'lev-\' + lev)
.children(\'li\').css(\'text-indent\', initTextIndent);
$oUl = $oUl.children().children(\'ul\');
lev++;
}
$(ulList).find(\'ul\').hide();
$(ulList).find(\'ul:first\').show();
},
/**
* 绑定事件
*/
_bindEnv: function(container) {
var self = this,
_config = self.config;
$(\'h2,a\',container).unbind(_config.type);
$(\'h2,a\',container).bind(_config.type,function(e){
if($(this).siblings(\'ul\').length > 0) {
$(this).siblings(\'ul\').slideToggle(\'slow\').end().children(\'img\').toggleClass(\'unfold\');
}
$(this).parent(\'li\').siblings().find(\'ul\').hide()
.end().find(\'img.unfold\').removeClass(\'unfold\');
_config.clickItemCallBack && $.isFunction(_config.clickItemCallBack) && _config.clickItemCallBack($(this));
});
}
};
</script>
</head>
<body>
<div class=\"wrap-menu\">
</div>
<script>
var testMenu=[
{
\"name\": \"一级菜单\",
\"submenu\": [
{
\"name\": \"二级菜单\",
\"url\": \"\"
},
{
\"name\": \"二级菜单\",
\"url\": \"\"
}
]
},
{
\"name\": \"一级菜单\",
\"submenu\": [
{
\"name\": \"二级菜单\",
\"url\": \"\"
},
{
\"name\": \"二级菜单\",
\"submenu\": [
{
\"name\": \"三级菜单\",
\"submenu\": [
{
\"name\": \"四级菜单\",
\"url\": \"\"
}
]
},
{
\"name\": \"三级菜单\",
\"url\": \"\"
}
]
},
{
\"name\": \"二级菜单\",
\"url\": \"\"
},
{
\"name\": \"二级菜单\",
\"submenu\": [
{
\"name\": \"三级菜单\",
\"submenu\": [
{
\"name\": \"四级菜单\",
\"url\": \"\"
},
{
\"name\": \"四级菜单\",
\"submenu\": [
{
\"name\": \"五级菜单\",
\"url\": \"\"
},
{
\"name\": \"五级菜单\",
\"url\": \"\"
}
]
}
]
},
{
\"name\": \"三级菜单\",
\"url\": \"\"
}
]
},
{
\"name\": \"二级菜单\",
\"url\": \"\"
}
]
},
{
\"name\": \"一级菜单\",
\"submenu\": [
{
\"name\": \"二级菜单\",
\"url\": \"\"
},
{
\"name\": \"二级菜单\",
\"url\": \"\"
},
{
\"name\": \"二级菜单\",
\"url\": \"\"
}
]
}
];
$(function(){
new AccordionMenu({menuArrs:testMenu});
});
</script>
<div style=\"text-align:center;clear:both\">
</div>
</body>
</html>

ITPub博客

垂直折叠展开，点击展开、收缩的jQ多级菜单

\'+item.name+\'

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