jQuery 導航條動態美化效果

來源:互聯網
上載者:User

藉助 外掛程式 Lavalamp實現導航條動態顯示效果, 以前用animate來實現,效果不是很好

<script src="js/jquery-2.0.0.min.js" type="text/javascript"></script>

<script src="js/jquery.easing.min.js" type="text/javascript"></script>
<script src="js/jquery.lavalamp.js" type="text/javascript"></script>
<script type="text/javascript">
        $(function() {
$(".nav").lavaLamp({ 
fx: "backout",
speed: 1100,
mouseover:function(event, menuItem){alert();}
});            
        });

    </script>

<style>

.nav {
width:650px;
height:100px;
float:left;
position: relative;
}
.nav li {
width:auto;
min-width:40px;
line-height:100px;
padding:0 15px;
margin:0 10px 0 0;
color:#000;
font-size:14px;
text-align:center;
float:left;
}
.nav li.back {
background: #86bf40;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
line-height: 2;
width: 40px;
height: 100px; /*----*/
z-index: 1; /*----*/
position: absolute; /*----*/
margin-top: 0px;
margin-left:5px;
}
.nav li a {
color: #000;
z-index: 2; /*----*/
font-variant: small-caps;
text-decoration: none;
position: relative; /*----*/
margin: auto 10px;
}

</style>

</head>

<body>
<!-- header -->
<div class="headerbox">
  <div class="header"> <a href="http://www.uuspeed.com/" class="logo"><img src="images/logo.png" alt="優速雲" /></a>
    <ul class="nav">
      <li class="current"><a href="#">首&nbsp;頁</a></li>
  <li class="1"><a href="#">個人版</a></li>
  <li class="2"><a href="#">中小版</a></li>
  <li class="3"><a href="#">企業版</a></li>
  <li class="4"><a href="#">服務與價格</a></li>
  <li class="5"><a href="#">關於我們</a></li>
      </a>
    </ul>
    <div class="login"> <a href="" class="icon_login">登 錄</a> <a href="" class="icon_login">注 冊</a> </div>
  </div>
</div>
 

</body>

</html>

////    ------lavalamp.js檔案修改--------------

(function($) {
$.fn.lavaLamp = function(o) {
    o = $.extend({ fx: "linear", speed: 500, click: function(){} }, o || {});


    return this.each(function() {
        var me = $(this), 
noop = function(el){

},
        $back = $('<li class="back"><div class="left"></div></li>').appendTo(me),
        $li = $("li", this), 
curr = $("li.current", this)[0] || $($li[0]).addClass("current")[0];


        $li.not(".back").hover(function() { move(this);});


$(".nav li:eq(0) a").css("color","#FFF");
        function setCurr(el) {alert(el.offsetWidth);
            $back.css({ "left": el.offsetLeft+"px", "width": el.offsetWidth+"px" });
            curr = el;

        };

        function move(el) {
            $back.each(function() {
                $.dequeue(this, "fx"); }
            ).animate({
                width: el.offsetWidth-40,
                left: el.offsetLeft
            }, o.speed, o.fx,function(){
var a0=$(".nav li:eq(0) a");
var a1=$(".nav li:eq(1) a");
var a2=$(".nav li:eq(2) a");
var a3=$(".nav li:eq(3) a");
var a4=$(".nav li:eq(4) a");
var a5=$(".nav li:eq(5) a");
if(el.offsetLeft==0){
$(".nav li:eq(0) a").css("color","#FFF");
a1.css("color","#000");
a2.css("color","#000");
a3.css("color","#000");
a4.css("color","#000");
a5.css("color","#000");
}
if(el.offsetLeft==92){
$(".nav li:eq(1) a").css("color","#FFF");
a0.css("color","#000");
a2.css("color","#000");
a3.css("color","#000");
a4.css("color","#000");
a5.css("color","#000");
}
if(el.offsetLeft==194){
$(".nav li:eq(2) a").css("color","#FFF");
a1.css("color","#000");
a0.css("color","#000");
a3.css("color","#000");
a4.css("color","#000");
a5.css("color","#000");
}
if(el.offsetLeft==296){
$(".nav li:eq(3) a").css("color","#FFF");
a1.css("color","#000");
a2.css("color","#000");
a0.css("color","#000");
a4.css("color","#000");
a5.css("color","#000");
}
if(el.offsetLeft==398){
$(".nav li:eq(4) a").css("color","#FFF");
a1.css("color","#000");
a2.css("color","#000");
a3.css("color","#000");
a0.css("color","#000");
a5.css("color","#000");
}
if(el.offsetLeft==528){
$(".nav li:eq(5) a").css("color","#FFF");
a1.css("color","#000");
a2.css("color","#000");
a3.css("color","#000");
a4.css("color","#000");
a0.css("color","#000");
}
});
        };


    });

};
})(jQuery);

效果見http://www.uuspeed.com/

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