有淡出效果的二级菜单．
以下是代码，注意：此代码依赖jquery,下载看效果时记录把jquery引入.
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以下为引用的内容： <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>jQuery有动画淡出的二级折叠菜单代码</title> <SCRIPT src="jquery-1.3.2.min.js" type=text/javascript></SCRIPT> <SCRIPT> $(function(){ $("a").bind("focus",function(){if(this.blur)this.blur();}); $("#menu > li:first-child").addClass("first_menu"); $("#menu > li:first-child.current_page_item, #menu > li:first-child.current-cat").addClass("first_menu_active"); $("#menu > li:last-child").addClass("last_menu"); $("#menu > li:last-child.current_page_item, #menu > li:last-child.current-cat").addClass("last_menu_active"); $("#menu li ul li:has(ul)").addClass("parent_menu"); $("#right_col ul > li:last-child").css({marginBottom:"0"}); $("#comment_area ol > li:even").addClass("even_comment"); $("#comment_area ol > li:odd").addClass("odd_comment"); $(".even_comment > .children > li").addClass("even_comment_children"); $(".odd_comment > .children > li").addClass("odd_comment_children"); $(".even_comment_children > .children > li").addClass("odd_comment_children"); $(".odd_comment_children > .children > li").addClass("even_comment_children"); $(".even_comment_children > .children > li").addClass("odd_comment_children"); $(".odd_comment_children > .children > li").addClass("even_comment_children"); $("#guest_info input,#comment_textarea textarea") .focus( function () { $(this).css({borderColor:"#33a8e5"}) } ) .blur( function () { $(this).css({borderColor:"#ccc"}) } );
$(".search_tag").toggle(function(){ $(".search_tag").addClass("active_search_tag"); $("#tag_list ul").animate({ opacity: 'show', height:"show" }, {duration:1000 ,easing:"easeOutBack"}); return false; },function(){ $("#tag_list ul").fadeTo("slow", 0).slideUp("slow").fadeTo("fast", 1); $(".search_tag").removeClass("active_search_tag") return false; });
$("#trackback_switch").click(function(){ $("#comment_switch").removeClass("comment_switch_active"); $(this).addClass("comment_switch_active"); $("#comment_area").animate({opacity: 'hide'}, 0); $("#trackback_area").animate({opacity: 'show'}, 1000); return false; });
$("#comment_switch").click(function(){ $("#trackback_switch").removeClass("comment_switch_active"); $(this).addClass("comment_switch_active"); $("#trackback_area").animate({opacity: 'hide'}, 0); $("#comment_area").animate({opacity: 'show'}, 1000); return false; });
$("#guest_info input,#comment_textarea textarea") .focus( function () { $(this).css({borderColor:"#33a8e5"}) } ) .blur( function () { $(this).css({borderColor:"#ccc"}) } );
$("blockquote").append('<div class="quote_bottom"></div>');
$(".side_box:first").addClass("first_side_box");
});
function changefc(color){ document.getElementById("search_input").style.color=color; }
/* dropdowm menu */
var menu=function(){ var t=15,z=50,s=6,a; function dd(n){this.n=n; this.h=[]; this.c=[]} dd.prototype.init=function(p,c){ a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0; for(i;i<l;i++){ var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i]; h.onmouseover=new Function(this.n+'.st('+i+',true)'); h.onmouseout=new Function(this.n+'.st('+i+')'); } } dd.prototype.st=function(x,f){ var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0]; clearInterval(c.t); c.style.overflow='hidden'; if(f){ p.className+=' '+a; if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0} if(c.mh==c.offsetHeight){c.style.overflow='visible'} else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)} }else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)} } function sl(c,f){ var h=c.offsetHeight; if((h<=0&&f!=1)||(h>=c.mh&&f==1)){ if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'} clearInterval(c.t); return } var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh; c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')'; c.style.height=h+(d*f)+'px' } return{dd:dd} }(); </SCRIPT> <style type="text/css"> a{text-decoration:none} .menu ul{ margin:0 0 0 10px; padding:0; display:none; } .menu ul li{ height:22px; line-height:22px; border:none; } .menu ul li a{ font-size:12px; font-weight:normal; color:#666; } .menu ul ul{ position:absolute; z-index:3; background:#CC3366; } .menu ul ul li{text-indent:10px;padding-right:10px} .menu ul ul li a{color:#fff} </style> </head> <body> <ul class="menu" id="menu"> <li><a href="#">一级菜单1</a> <ul> <li><a href="#">二级菜单1</a></li> <li><a href="#">二级菜单2</a></li> <li><a href="#">二级菜单3</a></li> <li><a href="#">二级菜单4</a></li> <li><a href="#">二级菜单5</a></li> <li><a href="#">二级菜单6</a></li> </ul> </li> <li><a href="#">一级菜单2</a> <ul> <li><a href="#">二级菜单1</a> <ul> <li><a href="#">三级菜单1</a></li> <li><a href="#">三级菜单2</a></li> </ul> </li> <li><a href="#">二级菜单2</a></li> </ul> </li> </ul> <SCRIPT type=text/javascript> var menu=new menu.dd("menu"); menu.init("menu","menuhover"); </SCRIPT> </body> </html> |
效果如图:
