织梦默认模版调用2级菜单方法.docVIP

1、首先： 将下面这段代码贴到templets\default\footer.htm文件里（只要在此文件里就行，位置无所谓啦！自己看着办！） [html]?view plaincopy !--?//二级子类下拉菜单，考虑SEO原因放置于底部?--?? ???script?type=text/javascript?src={dede:global.cfg_cmsurl/}/images/js/dropdown.js/script?? ???{dede:channelartlist?typeid=top?cacheid=channelsonlist}?? ???ul?id=dropmenu{dede:field.typeid/}?class=dropMenu?? ???????{dede:channel?type=son?noself=yes}?? ???????lia?href=[field:typelink/][field:typename/]/a/li?? ???????{/dede:channel}?? ???/ul?? ???{/dede:channelartlist}?? ???script?type=text/javascriptcssdropdown.startchrome(navMenu)/script?? 以上代码可以看出，二级子类下拉菜单是由dropdown.js控制的，我们来看dropdown.js文件： 由以上的cssdropdown.startchrome(navMenu)，可以看出我们调用的是 ?startchrome:function() [javascript]?view plaincopy var?cssdropdown={?? disappeardelay:?250,??? disablemenuclick:?false,??? enableswipe:?1,??? enableiframeshim:?1,??? dropmenuobj:?null,?ie:?document.all,?firefox:?document.getElementById!document.all,?swipetimer:?undefined,?bottomclip:0,?? ?? getposOffset:function(what,?offsettype){?? var?totaloffset=(offsettype==left)??what.offsetLeft?:?what.offsetTop;?? var?parentEl=what.offsetParent;?? while?(parentEl!=null){?? totaloffset=(offsettype==left)??totaloffset+parentEl.offsetLeft?:?totaloffset+parentEl.offsetTop;?? parentEl=parentEl.offsetParent;?? }?? return?totaloffset;?? },?? ?? swipeeffect:function(){?? if?(this.bottomclipparseInt(this.dropmenuobj.offsetHeight)){?? this.bottomclip+=10+(this.bottomclip/10)??? this.dropmenuobj.style.clip=rect(0?auto?+this.bottomclip+px?0)?? }?? else?? return?? this.swipetimer=setTimeout(cssdropdown.swipeeffect(),?10)?? },?? ?? showhide:function(obj,?e){?? if?(this.ie?||?this.firefox)?? this.dropmenuobj.style.left=this.dropmenuobj.style.top=-500px?? if?(e.type==click??obj.visibility==hidden?||?e.type==mouseover){?? if?(this.enableswipe==1){?? if?(typeof?this.swipetimer!=undefined)?? clearTimeout(this.swipetimer)?? obj.clip=rect(0?auto?0?0)??? this.bottomclip=0?? this.swipeeffect()?? }?? obj.visibility=visible?? }?? else?if?(e.t