内容如下:不知道哪里出错了 我修改别人的源码
菜鸟--~看到报错就无语了
<dl id="idContainer2" class="container2">
<dt id="idMenu2_1">图书音像</dt>
<dd id="idMenu2_2">音像</dd>
<dd id="idMenu2_3">文艺</dd>
<dt id="idMenu2_4">电脑办公</dt>
<dd id="idMenu2_5">电脑产品</dd>
<dd id="idMenu2_6">办公用品</dd>
<dt id="idMenu2_7">服饰鞋帽</dt>
<dd id="idMenu2_8">男装</dd>
<dd id="idMenu2_9">女装</dd>
<dd id="idMenu2_10">配饰</dd>
<dt id="idMenu2_11">手机数码</dt>
<dd id="idMenu2_12">手机通讯</dd>
<dd id="idMenu2_13">数码相机</dd>
<dd id="idMenu2_14">影音电玩</dd>
<dt id="idMenu2_15">食品饮料</dt>
<dd id="idMenu2_16">进口食品</dd>
<dd id="idMenu2_17">地方食品</dd>
<dd id="idMenu2_18">休闲食品</dd>
<dd id="idMenu2_19">酒饮冲调</dd>
</dl>
<div id="idContainer2_2" class="container2_2">
<div class="shadow"></div>
<dl>
<dt id="idTitle"></dt>
<dd id="idMenu2">
<div id="idMenu2_20">音乐</div>
<div id="idMenu2_21">影视</div>
<div id="idMenu2_22">小说</div>
<div id="idMenu2_23">文学</div>
<div id="idMenu2_24">电脑整机</div>
<div id="idMenu2_25">电脑外设</div>
<div id="idMenu2_26">办公外设</div>
<div id="idMenu2_27">办公文仪</div>
<div id="idMenu2_28">衬衫</div>
<div id="idMenu2_29">T恤</div>
<div id="idMenu2_30">衬衫</div>
<div id="idMenu2_31">T恤</div>
<div id="idMenu2_32">裙子</div>
<div id="idMenu2_33">眼镜</div>
<div id="idMenu2_34">腰带</div>
<div id="idMenu2_35">帽子</div>
<div id="idMenu2_36">围巾</div>
<div id="idMenu2_37">领带</div>
<div id="idMenu2_38">手机</div>
<div id="idMenu2_39">对讲机</div>
<div id="idMenu2_40">卡片相机</div>
<div id="idMenu2_41">单反相机</div>
<div id="idMenu2_42">数码相机</div>
<div id="idMenu2_43">PSP</div>
<div id="idMenu2_44">MP3/MP4</div>
<div id="idMenu2_45">耳机/耳麦</div>
<div id="idMenu2_46">饼干蛋糕</div>
<div id="idMenu2_47">冲调饮品</div>
<div id="idMenu2_48">糖果巧克力</div>
<div id="idMenu2_49">休闲零食</div>
<div id="idMenu2_50">北方</div>
<div id="idMenu2_51">南方</div>
<div id="idMenu2_52">饼干蛋糕</div>
<div id="idMenu2_53">冲调饮品</div>
<div id="idMenu2_54">糖果巧克力</div>
<div id="idMenu2_55">休闲零食</div>
<div id="idMenu2_56">白酒/黄酒</div>
<div id="idMenu2_57">葡萄酒</div>
<div id="idMenu2_58">洋酒</div>
<div id="idMenu2_59">啤酒</div>
<div id="idMenu2_60">饮料</div>
<div id="idMenu2_61">冲调</div>
<div id="idMenu2_62">咖啡/牛奶</div>
</dd>
</dl>
</div>
<script>var menu2 = [
{ id: 1, parent: 0, elem: 'idMenu2_1' },
{ id: 2, parent: 0, elem: 'idMenu2_2' },
{ id: 3, parent: 0, elem: 'idMenu2_3' },
{ id: 20, parent: 2, elem: 'idMenu2_20' },
{ id: 21, parent: 2, elem: 'idMenu2_21' },
{ id: 22, parent: 3, elem: 'idMenu2_22' },
{ id: 23, parent: 3, elem: 'idMenu2_23' },
{ id: 4, parent: 0, elem: 'idMenu2_4' },
{ id: 5, parent: 0, elem: 'idMenu2_5' },
{ id: 6, parent: 0, elem: 'idMenu2_6' },
{ id: 24, parent: 5, elem: 'idMenu2_24' },
{ id: 25, parent: 5, elem: 'idMenu2_25' },
{ id: 26, parent: 6, elem: 'idMenu2_26' },
{ id: 27, parent: 6, elem: 'idMenu2_27' },
{ id: 7, parent: 0, elem: 'idMenu2_7' },
{ id: 8, parent: 0, elem: 'idMenu2_8' },
{ id: 9, parent: 0, elem: 'idMenu2_9' },
{ id: 10, parent: 0, elem: 'idMenu2_10' },
{ id: 28, parent: 8, elem: 'idMenu2_28' },
{ id: 29, parent: 8, elem: 'idMenu2_29' },
{ id: 30, parent: 9, elem: 'idMenu2_30' },
{ id: 31, parent: 9, elem: 'idMenu2_31' },
{ id: 32, parent: 9, elem: 'idMenu2_32' },
{ id: 33, parent: 10, elem: 'idMenu2_33' }
{ id: 34, parent: 10, elem: 'idMenu2_34' },
{ id: 35, parent: 10, elem: 'idMenu2_35' },
{ id: 36, parent: 10, elem: 'idMenu2_36' }
{ id: 37, parent: 10, elem: 'idMenu2_37' },
{ id: 11, parent: 0, elem: 'idMenu2_11' },
{ id: 12, parent: 0, elem: 'idMenu2_12' },
{ id: 13, parent: 0, elem: 'idMenu2_13' },
{ id: 14, parent: 0, elem: 'idMenu2_14' },
{ id: 38, parent: 12, elem: 'idMenu2_38' },
{ id: 39, parent: 12, elem: 'idMenu2_39' },
{ id: 40, parent: 13, elem: 'idMenu2_40' },
{ id: 41, parent: 13, elem: 'idMenu2_41' },
{ id: 42, parent: 13, elem: 'idMenu2_42' },
{ id: 43, parent: 14, elem: 'idMenu2_43' },
{ id: 44, parent: 14, elem: 'idMenu2_44' },
{ id: 45, parent: 14, elem: 'idMenu2_45' },
{ id: 15, parent: 0, elem: 'idMenu2_15' },
{ id: 16, parent: 0, elem: 'idMenu2_16' },
{ id: 17, parent: 0, elem: 'idMenu2_17' },
{ id: 18, parent: 0, elem: 'idMenu2_18' },
{ id: 19, parent: 0, elem: 'idMenu2_19' },
{ id: 46, parent: 16, elem: 'idMenu2_46' },
{ id: 47, parent: 16, elem: 'idMenu2_47' },
{ id: 48, parent: 16, elem: 'idMenu2_48' },
{ id: 49, parent: 16, elem: 'idMenu2_49' },
{ id: 50, parent: 17, elem: 'idMenu2_50' },
{ id: 51, parent: 17, elem: 'idMenu2_51' },
{ id: 52, parent: 18, elem: 'idMenu2_52' },
{ id: 53, parent: 18, elem: 'idMenu2_53' },
{ id: 54, parent: 18, elem: 'idMenu2_54' },
{ id: 55, parent: 18, elem: 'idMenu2_55' },
{ id: 56, parent: 19, elem: 'idMenu2_56' },
{ id: 57, parent: 19, elem: 'idMenu2_57' },
{ id: 58, parent: 19, elem: 'idMenu2_58' },
{ id: 59, parent: 19, elem: 'idMenu2_59' },
{ id: 60, parent: 19, elem: 'idMenu2_60' },
{ id: 61, parent: 19, elem: 'idMenu2_61' },
{ id: 62, parent: 19, elem: 'idMenu2_62' }
;var container2 = [ "idContainer2", { id: "idContainer2_2", menu: "idMenu2" } ];new FixedMenu(container2, { Menu: menu2,
Fixed: { Align: "clientleft", vAlign: "clienttop", CustomTop: 5, CustomLeft: 176 },
onBeforeShow: function(container, menu){ $$("idTitle").innerHTML = menu._elem.innerHTML; }
});</script>
<br>
</body>
</html>
菜鸟--~看到报错就无语了
<dl id="idContainer2" class="container2">
<dt id="idMenu2_1">图书音像</dt>
<dd id="idMenu2_2">音像</dd>
<dd id="idMenu2_3">文艺</dd>
<dt id="idMenu2_4">电脑办公</dt>
<dd id="idMenu2_5">电脑产品</dd>
<dd id="idMenu2_6">办公用品</dd>
<dt id="idMenu2_7">服饰鞋帽</dt>
<dd id="idMenu2_8">男装</dd>
<dd id="idMenu2_9">女装</dd>
<dd id="idMenu2_10">配饰</dd>
<dt id="idMenu2_11">手机数码</dt>
<dd id="idMenu2_12">手机通讯</dd>
<dd id="idMenu2_13">数码相机</dd>
<dd id="idMenu2_14">影音电玩</dd>
<dt id="idMenu2_15">食品饮料</dt>
<dd id="idMenu2_16">进口食品</dd>
<dd id="idMenu2_17">地方食品</dd>
<dd id="idMenu2_18">休闲食品</dd>
<dd id="idMenu2_19">酒饮冲调</dd>
</dl>
<div id="idContainer2_2" class="container2_2">
<div class="shadow"></div>
<dl>
<dt id="idTitle"></dt>
<dd id="idMenu2">
<div id="idMenu2_20">音乐</div>
<div id="idMenu2_21">影视</div>
<div id="idMenu2_22">小说</div>
<div id="idMenu2_23">文学</div>
<div id="idMenu2_24">电脑整机</div>
<div id="idMenu2_25">电脑外设</div>
<div id="idMenu2_26">办公外设</div>
<div id="idMenu2_27">办公文仪</div>
<div id="idMenu2_28">衬衫</div>
<div id="idMenu2_29">T恤</div>
<div id="idMenu2_30">衬衫</div>
<div id="idMenu2_31">T恤</div>
<div id="idMenu2_32">裙子</div>
<div id="idMenu2_33">眼镜</div>
<div id="idMenu2_34">腰带</div>
<div id="idMenu2_35">帽子</div>
<div id="idMenu2_36">围巾</div>
<div id="idMenu2_37">领带</div>
<div id="idMenu2_38">手机</div>
<div id="idMenu2_39">对讲机</div>
<div id="idMenu2_40">卡片相机</div>
<div id="idMenu2_41">单反相机</div>
<div id="idMenu2_42">数码相机</div>
<div id="idMenu2_43">PSP</div>
<div id="idMenu2_44">MP3/MP4</div>
<div id="idMenu2_45">耳机/耳麦</div>
<div id="idMenu2_46">饼干蛋糕</div>
<div id="idMenu2_47">冲调饮品</div>
<div id="idMenu2_48">糖果巧克力</div>
<div id="idMenu2_49">休闲零食</div>
<div id="idMenu2_50">北方</div>
<div id="idMenu2_51">南方</div>
<div id="idMenu2_52">饼干蛋糕</div>
<div id="idMenu2_53">冲调饮品</div>
<div id="idMenu2_54">糖果巧克力</div>
<div id="idMenu2_55">休闲零食</div>
<div id="idMenu2_56">白酒/黄酒</div>
<div id="idMenu2_57">葡萄酒</div>
<div id="idMenu2_58">洋酒</div>
<div id="idMenu2_59">啤酒</div>
<div id="idMenu2_60">饮料</div>
<div id="idMenu2_61">冲调</div>
<div id="idMenu2_62">咖啡/牛奶</div>
</dd>
</dl>
</div>
<script>var menu2 = [
{ id: 1, parent: 0, elem: 'idMenu2_1' },
{ id: 2, parent: 0, elem: 'idMenu2_2' },
{ id: 3, parent: 0, elem: 'idMenu2_3' },
{ id: 20, parent: 2, elem: 'idMenu2_20' },
{ id: 21, parent: 2, elem: 'idMenu2_21' },
{ id: 22, parent: 3, elem: 'idMenu2_22' },
{ id: 23, parent: 3, elem: 'idMenu2_23' },
{ id: 4, parent: 0, elem: 'idMenu2_4' },
{ id: 5, parent: 0, elem: 'idMenu2_5' },
{ id: 6, parent: 0, elem: 'idMenu2_6' },
{ id: 24, parent: 5, elem: 'idMenu2_24' },
{ id: 25, parent: 5, elem: 'idMenu2_25' },
{ id: 26, parent: 6, elem: 'idMenu2_26' },
{ id: 27, parent: 6, elem: 'idMenu2_27' },
{ id: 7, parent: 0, elem: 'idMenu2_7' },
{ id: 8, parent: 0, elem: 'idMenu2_8' },
{ id: 9, parent: 0, elem: 'idMenu2_9' },
{ id: 10, parent: 0, elem: 'idMenu2_10' },
{ id: 28, parent: 8, elem: 'idMenu2_28' },
{ id: 29, parent: 8, elem: 'idMenu2_29' },
{ id: 30, parent: 9, elem: 'idMenu2_30' },
{ id: 31, parent: 9, elem: 'idMenu2_31' },
{ id: 32, parent: 9, elem: 'idMenu2_32' },
{ id: 33, parent: 10, elem: 'idMenu2_33' }
{ id: 34, parent: 10, elem: 'idMenu2_34' },
{ id: 35, parent: 10, elem: 'idMenu2_35' },
{ id: 36, parent: 10, elem: 'idMenu2_36' }
{ id: 37, parent: 10, elem: 'idMenu2_37' },
{ id: 11, parent: 0, elem: 'idMenu2_11' },
{ id: 12, parent: 0, elem: 'idMenu2_12' },
{ id: 13, parent: 0, elem: 'idMenu2_13' },
{ id: 14, parent: 0, elem: 'idMenu2_14' },
{ id: 38, parent: 12, elem: 'idMenu2_38' },
{ id: 39, parent: 12, elem: 'idMenu2_39' },
{ id: 40, parent: 13, elem: 'idMenu2_40' },
{ id: 41, parent: 13, elem: 'idMenu2_41' },
{ id: 42, parent: 13, elem: 'idMenu2_42' },
{ id: 43, parent: 14, elem: 'idMenu2_43' },
{ id: 44, parent: 14, elem: 'idMenu2_44' },
{ id: 45, parent: 14, elem: 'idMenu2_45' },
{ id: 15, parent: 0, elem: 'idMenu2_15' },
{ id: 16, parent: 0, elem: 'idMenu2_16' },
{ id: 17, parent: 0, elem: 'idMenu2_17' },
{ id: 18, parent: 0, elem: 'idMenu2_18' },
{ id: 19, parent: 0, elem: 'idMenu2_19' },
{ id: 46, parent: 16, elem: 'idMenu2_46' },
{ id: 47, parent: 16, elem: 'idMenu2_47' },
{ id: 48, parent: 16, elem: 'idMenu2_48' },
{ id: 49, parent: 16, elem: 'idMenu2_49' },
{ id: 50, parent: 17, elem: 'idMenu2_50' },
{ id: 51, parent: 17, elem: 'idMenu2_51' },
{ id: 52, parent: 18, elem: 'idMenu2_52' },
{ id: 53, parent: 18, elem: 'idMenu2_53' },
{ id: 54, parent: 18, elem: 'idMenu2_54' },
{ id: 55, parent: 18, elem: 'idMenu2_55' },
{ id: 56, parent: 19, elem: 'idMenu2_56' },
{ id: 57, parent: 19, elem: 'idMenu2_57' },
{ id: 58, parent: 19, elem: 'idMenu2_58' },
{ id: 59, parent: 19, elem: 'idMenu2_59' },
{ id: 60, parent: 19, elem: 'idMenu2_60' },
{ id: 61, parent: 19, elem: 'idMenu2_61' },
{ id: 62, parent: 19, elem: 'idMenu2_62' }
;var container2 = [ "idContainer2", { id: "idContainer2_2", menu: "idMenu2" } ];new FixedMenu(container2, { Menu: menu2,
Fixed: { Align: "clientleft", vAlign: "clienttop", CustomTop: 5, CustomLeft: 176 },
onBeforeShow: function(container, menu){ $$("idTitle").innerHTML = menu._elem.innerHTML; }
});</script>
<br>
</body>
</html>
Fixed: { Align: "clientleft", vAlign: "clienttop", CustomTop: 5, CustomLeft: 176 },
onBeforeShow: function(container, menu){ $$("idTitle").innerHTML = menu._elem.innerHTML; }
});需要 FixedMenu 这个js插件。页面中引用了吗?
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
<script type="text/javascript">var $$ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};var isIE8 = navigator.userAgent.indexOf('MSIE 8.0') != -1;
var isChrome = navigator.userAgent.indexOf('Chrome') != -1;
var isSafari = navigator.userAgent.indexOf('AppleWebKit') != -1;// with input from Tino Zijdel, Matthias Miller, Diego Perini
// http://dean.edwards.name/weblog/2005/10/add-event/
function addEvent(element, type, handler) {
if (element.addEventListener) {
element.addEventListener(type, handler, false);
} else {
if (!handler.$$guid) handler.$$guid = addEvent.guid++;
if (!element.events) element.events = {};
var handlers = element.events[type];
if (!handlers) {
handlers = element.events[type] = {};
if (element["on" + type]) {
handlers[0] = element["on" + type];
}
}
handlers[handler.$$guid] = handler;
element["on" + type] = handleEvent;
}
};
addEvent.guid = 1;
function removeEvent(element, type, handler) {
if (element.removeEventListener) {
element.removeEventListener(type, handler, false);
} else {
if (element.events && element.events[type]) {
delete element.events[type][handler.$$guid];
}
}
};
function handleEvent(event) {
var returnValue = true;
event = fixEvent(event);
var handlers = this.events[event.type];
for (var i in handlers) {
this.$$handleEvent = handlers[i];
if (this.$$handleEvent(event) === false) {
returnValue = false;
}
}
return returnValue;
};
function fixEvent(event) {
if (event) return event;
event = ((this.ownerDocument || this.document || this).parentWindow || window).event;
var scrolldoc = isChrome || isSafari ? document.body : document.documentElement;
event.pageX = event.clientX + scrolldoc.scrollLeft;
event.pageY = event.clientY + scrolldoc.scrollTop;
event.target = event.srcElement;
event.stopPropagation = fixEvent.stopPropagation;
event.preventDefault = fixEvent.preventDefault;
if(event.type == "mouseout") {
event.relatedTarget = event.toElement;
}else if(event.type == "mouseover") {
event.relatedTarget = event.fromElement;
}
return event;
};
fixEvent.preventDefault = function() {
this.returnValue = false;
};
fixEvent.stopPropagation = function() {
this.cancelBubble = true;
};var forEach = function(array, callback, thisObject){
if(array.forEach){
array.forEach(callback, thisObject);
}else{
for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); }
}
}var Bind = function(object, fun) {
var args = Array.prototype.slice.call(arguments, 2);
return function() {
return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
}
}var BindAsEventListener = function(object, fun) {
var args = Array.prototype.slice.call(arguments, 2);
return function(event) {
return fun.apply(object, [event].concat(args));
}
}var Extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}var DeepExtend = function(destination, source){
for (var property in source) {
var copy = source[property];
if ( destination === copy ) continue;
if ( typeof copy === "object" ){
destination[property] = DeepExtend(destination[property] || {}, copy);
}else{
destination[property] = copy;
}
}
return destination;
}var Filter = function(array, callback, thisObject){
if(array.filter){
return array.filter(callback, thisObject);
}else{
var res = [];
for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array) && res.push(array[i]); }
return res;
}
}var Every = function(array, callback, thisObject){
if(array.every){
return array.every(callback, thisObject);
}else{
var res = [];
for (var i = 0, len = array.length; i < len; i++) {
if (!callback.call(thisObject, array[i], i, array)) return false;
};
return true;
}
}var IndexOf = function(array, elt){
if(array.indexOf){
return array.indexOf(elt);
}else{
var res = [];
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === elt) return i;
};
return -1;
}
}var Contains = function(a, b){
return a.contains ? a != b && a.contains(b) : !!(a.compareDocumentPosition(b) & 16);
}var isArray = function( obj ) {
return Object.prototype.toString.call(obj) === "[object Array]";
}function GetRelative(relElem, fixedElem, options){
var doc = relElem.ownerDocument, docElem = doc.documentElement
,scrolldoc = isChrome || isSafari ? doc.body : docElem,
rect = relElem.getBoundingClientRect();
//默认值
options = Extend({
Align: "clientleft",//水平方向定位
vAlign: "clienttop",//垂直方向定位
CustomLeft: 0,//自定义left定位
CustomTop: 0,//自定义top定位
PercentLeft: 0,//自定义left百分比定位
PercentTop: 0,//自定义top百分比定位
Adaptive: false,//是否自适应定位
Reset: false//自适应定位时是否重新定位
}, options || {});
//ie8的getBoundingClientRect获取不准确
if ( isIE8 ) {
var elem = relElem, left = - scrolldoc.scrollLeft, top = - scrolldoc.scrollTop;
while (elem) { left += elem.offsetLeft, top += elem.offsetTop; elem = elem.offsetParent; };
rect.left = left; rect.right = left + relElem.offsetWidth;
rect.top = top; rect.bottom = top + relElem.offsetHeight;
};
//定义参数
var iLeft = GetRelative.Left(options.Align, rect, fixedElem) + options.CustomLeft
,iTop = GetRelative.Top(options.vAlign, rect, fixedElem) + options.CustomTop;
//自定义百分比定位
if (options.PercentLeft) { iLeft += .01 * options.PercentLeft * relElem.offsetWidth; };
if (options.PercentTop) { iTop += .01 * options.PercentTop * relElem.offsetHeight; };
//自适应视窗定位
if (options.Adaptive) {
//修正定位参数
var maxLeft = docElem.clientWidth - fixedElem.offsetWidth,
maxTop = docElem.clientHeight - fixedElem.offsetHeight;
if (options.Reset) {
//自动重新定位
if (iLeft > maxLeft || iLeft < 0) {
iLeft = GetRelative.Left(2 * iLeft > maxLeft ? "left" : "right", rect, fixedElem) + options.CustomLeft;
};
if (iTop > maxTop || iTop < 0) {
iTop = GetRelative.Top(2 * iTop > maxTop ? "top" : "bottom", rect, fixedElem) + options.CustomTop;
};
} else {
//修正到适合位置
iLeft = Math.max(Math.min(iLeft, maxLeft), 0);
iTop = Math.max(Math.min(iTop, maxTop), 0);
};
};
//加上滚动条
iLeft += scrolldoc.scrollLeft; iTop += scrolldoc.scrollTop;
//返回定位参数
return { Left: iLeft, Top: iTop };
};
GetRelative.Left = function(align, rect, fixedElem){
var iLeft = 0;
switch (align.toLowerCase()) {
case "left" :
return rect.left - fixedElem.offsetWidth;
case "clientleft" :
return rect.left;
case "center" :
return (rect.left + rect.right - fixedElem.offsetWidth)/2;
case "clientright" :
return rect.right - fixedElem.offsetWidth;
case "right" :
default :
return rect.right;
};
};
GetRelative.Top = function(valign, rect, fixedElem){
var iTop = 0;
switch (valign.toLowerCase()) {
case "top" :
return rect.top - fixedElem.offsetHeight;
case "clienttop" :
return rect.top;
case "center" :
return (rect.top + rect.bottom - fixedElem.offsetHeight)/2;
case "clientbottom" :
return rect.bottom - fixedElem.offsetHeight;
case "bottom" :
default :
return rect.bottom;
};
};//容器集合
var FixedMenu = function(containers, options) {
this._timerContainer = null;//容器定时器
this._timerMenu = null;//菜单定时器
this._frag = document.createDocumentFragment();//碎片对象,保存菜单元素
this._menus = {};//菜单对象
this._containers = [];//容器集合
this.SetOptions(options);
this._custommenu = this.options.Menu;
this.Css = this.options.Css;
this.Hover = this.options.Hover;
this.Active = this.options.Active;
this.Tag = this.options.Tag;
this.Txt = this.options.Txt;
this.FixedMenu = this.options.FixedMenu;
this.Fixed = this.options.Fixed;
this.Attribute = this.options.Attribute;
this.Property = this.options.Property;
this.onBeforeShow = this.options.onBeforeShow;
this.Delay = parseInt(this.options.Delay) || 0;
//修正自定义容器
forEach(isArray(containers) ? containers : [containers], function(o, i){
//自定义容器 id:定位元素 menu:插入菜单元素
var pos, menu;
if ( o.id ) {
pos = o.id; menu = o.menu ? o.menu : pos;
} else {
pos = menu = o;
};
pos = $$(pos); menu = $$(menu);
//容器对象 Pos:定位元素 Menu:插入菜单元素
pos && menu && this.IniContainer( i, { Pos: pos, Menu: menu } );
}, this);
//初始化程序
};
FixedMenu.prototype = {
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Menu: [],//自定义菜单集合
Delay: 200,//延迟值(微秒)
Tag: "div",//默认生成标签
Css: undefined,//默认样式
Hover: undefined,//触发菜单样式
Active: undefined,//显示下级菜单时显示样式
Txt: "",//菜单内容
FixedMenu: true,//是否相对菜单定位(否则相对容器)
Fixed: { Align: "clientleft", vAlign: "bottom" },//定位对象
Attribute: {},//自定义Attribute属性
Property: {},//自定义Property属性
onBeforeShow: function(){}//菜单显示时执行
};
Extend( this.options, options || {} );
},
//程序初始化
Ini: function() {
this.Hide();//隐藏菜单
this.BuildMenu();//生成菜单对象
this.forEachContainer(this.ResetContainer);//重置容器属性
this.InsertMenu(0, 0);//显示菜单
},
//根据自定义菜单对象生成程序菜单对象
BuildMenu: function() {
//清除旧菜单dom(包括自定义的)
this.forEachMenu(function(o){
var elem = o._elem;
if ( elem ) {
//防止dom内存泄漏
removeEvent( elem, "mouseover", o._event );
elem.parentNode.removeChild(elem);
o._elem = o.elem = null;
};
});
//设置菜单默认值
var options = {
id: 0,//id
rank: 0,//排序
elem: "",//自定义元素
tag: this.Tag,
css: this.Css,
hover: this.Hover,
active: this.Active,
txt: this.Txt,
fixedmenu: !!this.FixedMenu,
fixed: this.Fixed,
attribute: this.Attribute,
property: this.Property
};
//先定义"0"顶级菜单
this._menus = { "0": { "_children": [] } };
//整理自定义菜单并插入到程序菜单对象
forEach(this._custommenu, function(o) {
//生成菜单对象(由于包含对象,要用深度扩展)
var menu = DeepExtend( DeepExtend( {}, options ), o || {} );
//去掉相同id菜单,同时排除了id为"0"的菜单
if ( !!this._menus[ menu.id ] ) { return; };
//重置属性
menu._children = []; menu._index = -1;
this._menus[menu.id] = menu;
}, this);
//建立树形结构
this.forEachMenu(function( o, id, menus ) {
if ( "0" === id ) { return; };//顶级没有父级菜单
var parent = this._menus[o.parent];
//父级菜单不存在或者父级是自己的话,当成一级菜单
if ( !parent || parent === o ) { parent = menus[o.parent = "0"]; };
//插入到父级菜单对象的_children中
parent._children.push(o);
});
//整理菜单对象
this.forEachMenu(function(o) {
//如果有自定义元素的话先放到碎片文档中
!!o.elem && ( o.elem = $$(o.elem) ) && this._frag.appendChild(o.elem);
//修正样式,优先使用自定义元素的class
if ( !!o.elem && o.elem.className ) {
o.css = o.elem.className;
} else if ( o.css === undefined ) { o.css = ""; };
if ( o.hover === undefined ) { o.hover = o.css; };
if ( o.active === undefined ) { o.active = o.hover; };
//对菜单对象的_children集合排序(先按rank再按id排序)
o._children.sort(function( x, y ) { return x.rank - y.rank || x.id - y.id; });
});
},
//插入菜单
InsertMenu: function(index, parent) {
var container = this._containers[index];
//如果是同一个父级菜单不用重复插入
if ( container._parent === parent ) { return; };
container._parent = parent;
//把原有容器内菜单移到碎片对象中
forEach( container._menus, function(o) { o._elem && this._frag.appendChild(o._elem); }, this );
//重置子菜单对象集合
container._menus = [];
//把从父级菜单元素的子菜单对象集合获取的元素插入到容器
forEach(this._menus[parent]._children, function( menu, i ){
this.CheckMenu( menu, index );//检查菜单
container._menus.push(menu);//加入到容器的子菜单集合,方便调用
container.Menu.appendChild(menu._elem);//菜单元素插入到容器
}, this);
},
//检查菜单
CheckMenu: function(menu, index) {
//索引保存到菜单对象属性中,方便调用
menu._index = index;
//如果菜单对象没有元素
if ( !menu._elem ) {
var elem = menu.elem;
//如果没有自定义元素的话创建一个
if ( !elem ) { elem = document.createElement(menu.tag); elem.innerHTML = menu.txt; };
//设置property
Extend( elem, menu.property );
//设置attribute
var attribute = menu.attribute;
for (var att in attribute) { elem.setAttribute( att, attribute[att] ); };
//设置样式
elem.className = menu.css;
//设置事件
menu._event = BindAsEventListener( this, this.HoverMenu, menu );//用于清除事件
addEvent( elem, "mouseover", menu._event );
//保存到菜单对象
menu._elem = elem;
};
},
//触发菜单
HoverMenu: function(e, menu) {
var elem = menu._elem;
//如果是内部元素触发直接返回
if ( Contains( elem, e.relatedTarget ) || elem === e.relatedTarget ) { return; };
clearTimeout(this._timerMenu);
//可能在多个容器间移动,所以全部容器都重新设置样式
this.forEachContainer(function(o, i){
if ( o.Pos.visibility === "hidden" ) { return; };
this.ResetCss(o);
//设置当前菜单为active样式
var menu = o._active;
if ( menu ) { menu._elem.className = menu.active; };
});
//设置当前菜单为触发样式
if ( this._containers[menu._index]._active !== menu ) { elem.className = menu.hover; };
//触发显示菜单
this._timerMenu = setTimeout( Bind( this, this.ShowMenu, menu ), this.Delay );
},
//显示菜单
ShowMenu: function(menu) {
var index = menu._index, container = this._containers[index], child = !!menu._children.length;
//隐藏不需要的容器
this.forEachContainer( function(o, i) { i > index && this.HideContainer(o); } );
//重置当前容器_active
container._active = null;
//如果有子级菜单
if ( child ) {
//设置当前容器_active
container._active = menu;
//显示下一级容器
index++;//设置索引
this.CheckContainer(index);//检查容器
this.InsertMenu(index, menu.id);//插入菜单
this.ShowContainer(menu);//显示容器
};
//重置当前容器的css
this.ResetCss(container);
//设置当前菜单样式
menu._elem.className = child ? menu.active : menu.hover;
},
//初始化容器(索引, 容器元素)
IniContainer: function(index, container) {
var oContainer = container.Pos;
//重置属性
this.ResetContainer(container);
//添加事件
addEvent( oContainer, "mouseover", Bind( this, function(){ clearTimeout(this._timerContainer); } ) );
addEvent( oContainer, "mouseout", BindAsEventListener( this, function(e){
//先判断是否移出到所有容器之外
var elem = e.relatedTarget,
isOut = Every( this._containers, function(o){ return !(Contains(o.Pos, elem) || o.Pos == elem); } );
if ( isOut ) {
//清除定时器并隐藏
clearTimeout(this._timerContainer); clearTimeout(this._timerMenu);
this._timerContainer = setTimeout( Bind( this, this.Hide ), this.Delay );
};
}));
//除了第一个容器外设置浮动样式
if ( index ) {
var css = container.Pos.style;
css.position = "absolute"; css.display = "block"; css.margin = 0;
//要后面的覆盖前面的
css.zIndex = this._containers[index - 1].Pos.style.zIndex + 1;
};
//记录索引,方便调用
container._index = index;
//插入到容器集合
this._containers[index] = container;
},
//检查容器
CheckContainer: function(index) {
if ( index > 0 && !this._containers[index] ) {
//如果容器不存在,根据前一个容器复制成新容器,第一个容器必须自定义
var pre = this._containers[index - 1].Pos
//用了新的添加事件方式,没有ie的cloneNode的bug
,container = pre.parentNode.insertBefore( pre.cloneNode(false), pre );
//清除id防止冲突
container.id = "";
//初始化容器
this.IniContainer( index, { Pos: container, Menu: container } );
};
},
//显示容器
ShowContainer: function(menu) {
var index = menu._index,
container = this._containers[index + 1].Pos,
elem = menu.fixedmenu ? menu._elem : this._containers[index].Pos,
pos = GetRelative( elem, container, menu.fixed );
//定位并显示容器
container.style.left = pos.Left + "px";
container.style.top = pos.Top + "px";
//执行显示前事件
this.onBeforeShow(container, menu);
container.style.visibility = "visible";
},
//隐藏容器
HideContainer: function(container) {
//设置隐藏
var css = container.Pos.style;
css.visibility = "hidden"; css.left = css.top = "-9999px";
//重置上一个菜单的触发菜单对象
this._containers[container._index - 1]._active = null;
},
//重置容器对象属性
ResetContainer: function(container) {
container._active = null;//重置触发菜单
container._menus = [];//重置子菜单对象集合
container._parent = -1;//重置父级菜单id
},
//隐藏菜单
Hide: function() {
this.forEachContainer(function(o, i){
if ( i === 0 ) {
//如果是第一个重设样式和_active
this.ResetCss(o);
} else {//隐藏容器
this.HideContainer(o);
};
});
},
//重设容器菜单样式
ResetCss: function(container) {
forEach( container._menus, function(o, i){ o._elem.className = o.css; }, this );
},
//历遍菜单对象集合
forEachMenu: function(callback) {
for ( var id in this._menus ) { callback.call( this, this._menus[id], id, this._menus ); };
},
//历遍容器对象集合
forEachContainer: function(callback) {
forEach( this._containers, callback, this );
},
//添加自定义菜单
Add: function(menu) {
this._custommenu = this._custommenu.concat(menu);
this.Ini();
},
//修改自定义菜单
Edit: function(menu) {
forEach( isArray( menu ) ? menu : [ menu ], function(o){
//如果对应id的菜单存在
if ( o.id && this._menus[o.id] ) {
//从自定义菜单中找出对应菜单,并修改
Every( this._custommenu, function(m, i){
if ( m.id === o.id ) {
this._custommenu[i] = DeepExtend( m, o ); return false;
};
return true;
//用Every可以跳出循环
}, this );
};
}, this );
this.Ini();
},
//删除自定义菜单
Delete: function() {
var ids = Array.prototype.slice.call(arguments);
this._custommenu = Filter( this._custommenu, function(o){
return IndexOf(ids, o.id) === -1;
});
this.Ini();
}
};</script>
</head>
<body>
<style type="text/css">
.container1 {height:30px;}
.container1 div {float:left;}.container1 div, .container1_2 div {width:100px;background:#FAFCFD;border:1px solid #5c9cc0;padding:10px;}div.on1 {font-weight:bold;background:#EEF3F7;}
div.on1_2 {font-weight:bold;background:#fffff7;border:1px solid #ffcc00;}
</style>
<br>
<br>
全部商品分类: <br>
<br>
.container2, .container2 dd, .container2_2 dl, .container2_2 dd {margin:0;}.container2 {font-size:14px;width:190px;border:1px solid #cf2020;background:#fffff5;padding:5px 8px; line-height:30px; color:#333;}
.container2 dt {font-weight:bold;color:#cf2020;}
.container2 dd {background:url(http://www.cnblogs.com/images/cnblogs_com/cloudgamer/143727/n4.jpg) 180px 10px no-repeat;_zoom:1;}.container2_2 {background-color:#bebec3; display:none;}
.container2_2 dl {font-size:14px;width:200px;border:1px solid #969696;background:#fff; position:relative; left:-3px; top:-3px; }
.container2_2 dd div {padding:5px 20px; background:url(http://www.cnblogs.com/images/cnblogs_com/cloudgamer/143727/n4.jpg) 6px 7px no-repeat;_zoom:1;}
.container2_2 dt, .shadow {padding:0 5px; position:absolute;background:#fff; border:1px solid #969696; border-right:0;width:169px;left:-180px; top:-1px;height:24px;line-height:24px;}
.shadow {background-color:#bebec3;border-color:#bebec3; top:0;}.container2_2 a{display:block;_zoom:1;}
.container2_2 a:link, .container2_2 a:visited, .container2_2 a:active {color:#333;text-decoration: none;}
.container2_2 a:hover {color:#ff6026;text-decoration: underline;}
</style>