js实现仿百度风云榜可重复多次调用的TAB切换选项卡效果

2019-11-20 11:38:21

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本文实例讲述了js实现仿百度风云榜可重复多次调用的TAB切换选项卡效果。分享给大家供大家参考。具体如下：

这是一款可在同一页面中多次调用的TAB选项卡代码，仿百度风云榜的TAB切换效果，用到了几张修饰图片，请顺着代码下载所需的图片，然后上传到你的网站中，修改代码内的路径就可以用了。

运行效果截图如下：

在线演示地址如下：

http://demo.VeVB.COm/js/2015/js-f-baidu-style-tab-cha-codes/

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>仿百度风云榜TAB切换</title><style>body,div,h5,ul,li{margin:0;padding:0;}body{font:12px/1.5 Arial;}li{list-style:none;}a:link,a:visited{color:#333;text-decoration:none;}a:hover{text-decoration:underline;}#wrap{width:836px;border:3px solid #1972C0;border-width:3px 0;margin:10px auto;}#list{overflow:hidden;zoom:1;margin-left:-10px;}#wrap .item{display:inline;float:left;width:270px;padding-bottom:10px;border:1px solid #EBEBEB;margin:10px 0 10px 10px;}#wrap .item .tab{position:relative;height:25px;border-bottom:1px solid #CCC;margin:8px;}#wrap .item .tab h5{position:absolute;left:10px;font-size:14px;}#wrap .item .tab .switchBtn{position:absolute;top:3px;right:0;}#wrap .item .tab .switchBtn a{float:left;width:15px;height:15px;margin-left:5px;overflow:hidden;text-indent:-999px;background:url(images/icon_arr.gif) no-repeat;outline:none;}#wrap .item .tab .switchBtn a.prev{background-position:0 -25px;}#wrap .item .tab .switchBtn a.prevNot{background-position:0 0;cursor:default;}#wrap .item .tab .switchBtn a.next{background-position:right -25px;}#wrap .item .tab .switchBtn a.nextNot{background-position:right 0;cursor:default;}#wrap .item .tab ul{position:absolute;top:-2px;left:50px;width:160px;height:28px;overflow:hidden;}#wrap .item .tab ul li{float:left;cursor:pointer;line-height:26px;padding:0 8px;}#wrap .item .tab ul li.current{cursor:text;color:#E45E2E;font-weight:700;border:1px solid #CCC;border-bottom-color:#FFF;}#wrap .item .items{display:none;background:url(images/icon_num.gif) 15px 4px no-repeat;padding:0 15px;}#wrap .item .items a{color:#3A64B0;}#wrap .item .items li{height:24px;line-height:24px;padding-left:20px;border-bottom:1px solid #EBEBEB;}#wrap .item .btn{height:22px;margin-top:10px;}#wrap .item .btn a{float:right;width:74px;height:22px;overflow:hidden;margin-right:15px;text-indent:-9999px;background:url(images/icon_btn.gif) no-repeat;}#wrap .item .btn a:hover{background-position:0 -22px;}#copyright{color:#9A9A9A;text-align:center;}#copyright a{color:#FFF;padding:2px 5px;border-radius:10px;background:#9A9A9A;}</style><script>var fgm = { $: function(id) { return typeof id === "object" ? id : document.getElementById(id); }, $$: function(tagName, oParent) { return (oParent || document).getElementsByTagName(tagName); }, $$$: function(className, element, tagName) { var i = 0, aClass = [], reClass = new RegExp("(^|//s)" + className + "(//s|$)"), aElement = fgm.$$(tagName || "*", element || document); for (i = 0; i < aElement.length; i++) reClass.test(aElement[i].className) && aClass.push(aElement[i]); return aClass; }, index: function(element) { var aChildren = element.parentNode.children, i; for(i = 0; i < aChildren.length; i++) if(aChildren[i] === element) return i; return -1; }, on: function(element, type, handler) { return element.addEventListener ? element.addEventListener(type, handler, !1) : element.attachEvent("on" + type, handler);  }, bind: function(object, handler) { return function() { return handler.apply(object, arguments); };  }};function Tab(id) { var that = this; this.obj = fgm.$(id); this.oTab = fgm.$$$("tab", this.obj)[0]; this.aTab = fgm.$$("li", this.oTab); this.oSwitch = fgm.$$$("switchBtn", this.oTab)[0]; this.oPrev = fgm.$$("a", this.oSwitch)[0]; this.oNext = fgm.$$("a", this.oSwitch)[1]; this.aItems = fgm.$$$("items", this.obj); this.iNow = 0;  fgm.on(this.oSwitch, "click", fgm.bind(this, this.fnClick)); fgm.on(this.oTab, "mouseover", fgm.bind(this, this.fnMouseOver));}Tab.prototype = { fnMouseOver: function(ev) { var oEv = ev || event, oTarget = oEv.target || oEv.srcElement; oTarget.tagName.toUpperCase() === "LI" && (this.iNow = fgm.index(oTarget)); this.fnSwitch(); }, fnClick: function(ev) { var oEv = ev || event, oTarget = oEv.target || oEv.srcElement, i; switch(fgm.index(oTarget)) { case 0: if(oTarget.className == "prev") { this.aTab[this.iNow].style.display = "block"; this.iNow--;  }; break; case 1: if(oTarget.className == "next") {  for(i = 0; i < this.iNow; i++) this.aTab[i].style.display = "none"; this.iNow++;  }; break; }; this.aTab[this.iNow].style.display = "block";  this.fnSwitch();  }, fnSwitch: function() { for(var i = 0; i < this.aTab.length; i++) (this.aTab[i].className = "", this.aItems[i].style.display = "none");  this.aTab[this.iNow].className = "current"; this.aItems[this.iNow].style.display = "block"; this.oPrev.className = this.iNow == 0 ? "prevNot" : "prev"; this.oNext.className = this.iNow == this.aTab.length - 1 ? "nextNot" : "next"; }};//应用fgm.on(window, "load", function() { var aItem = fgm.$$$("item"), i = 0; for(; i < aItem.length; i++) new Tab(aItem[i]);});</script></head><body><div id="wrap"> <div id="list"> <div class="item">  <div class="tab">  <h5><a href="#">教育</a></h5>  <ul>   <li class="current">基础教育</li>   <li>英语培训</li>  </ul>  <span class="switchBtn"><a href="javascript:;" class="prevNot">左</a><a href="javascript:;" class="next">右</a></span>  </div>  <ul class="items" style="display:block;">  <li><a href="#">北京四中网校</a></li>  <li><a href="#">学大教育</a></li>  <li><a href="#">中国统一教育网</a></li>  <li><a href="#">101远程教育网</a></li>  <li><a href="#">巨人教育</a></li>  <li><a href="#">黄冈中学网校</a></li>  </ul>  <ul class="items">  <li><a href="#">新东方</a></li>  <li><a href="#">英孚教育</a></li>  <li><a href="#">环球雅思</a></li>  <li><a href="#">韦博国际英语</a></li>  <li><a href="#">华尔街英语</a></li>  <li><a href="#">新航道</a></li>  </ul>  <div class="btn"><a href="#">完整榜单</a></div> </div> <div class="item">  <div class="tab">  <h5><a href="#">教育</a></h5>  <ul>   <li class="current">基础教育</li>   <li>英语培训</li>  </ul>  <span class="switchBtn"><a href="javascript:;" class="prevNot">左</a><a href="javascript:;" class="next">右</a></span>  </div>  <ul class="items" style="display:block;">  <li><a href="#">北京四中网校</a></li>  <li><a href="#">学大教育</a></li>  <li><a href="#">中国统一教育网</a></li>  <li><a href="#">101远程教育网</a></li>  <li><a href="#">巨人教育</a></li>  <li><a href="#">黄冈中学网校</a></li>  </ul>  <ul class="items">  <li><a href="#">新东方</a></li>  <li><a href="#">英孚教育</a></li>  <li><a href="#">环球雅思</a></li>  <li><a href="#">韦博国际英语</a></li>  <li><a href="#">华尔街英语</a></li>  <li><a href="#">新航道</a></li>  </ul>  <div class="btn"><a href="#">完整榜单</a></div> </div> <div class="item">  <div class="tab">  <h5><a href="#">教育</a></h5>  <ul>   <li class="current">基础教育</li>   <li>英语培训</li>  </ul>  <span class="switchBtn"><a href="javascript:;" class="prevNot">左</a><a href="javascript:;" class="next">右</a></span>  </div>  <ul class="items" style="display:block;">  <li><a href="#">北京四中网校</a></li>  <li><a href="#">学大教育</a></li>  <li><a href="#">中国统一教育网</a></li>  <li><a href="#">101远程教育网</a></li>  <li><a href="#">巨人教育</a></li>  <li><a href="#">黄冈中学网校</a></li>  </ul>  <ul class="items">  <li><a href="#">新东方</a></li>  <li><a href="#">英孚教育</a></li>  <li><a href="#">环球雅思</a></li>  <li><a href="#">韦博国际英语</a></li>  <li><a href="#">华尔街英语</a></li>  <li><a href="#">新航道</a></li>  </ul>  <div class="btn"><a href="#">完整榜单</a></div> </div>  </div> <!--/list--></div></body></html>

希望本文所述对大家的javascript程序设计有所帮助。

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