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這篇文章主要介紹了AngularJS怎么實(shí)現(xiàn)tab選項(xiàng)卡,具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
JS是JavaScript的簡(jiǎn)稱,它是一種直譯式的腳本語(yǔ)言,其解釋器被稱為JavaScript引擎,是瀏覽器的一部分,主要用于web的開(kāi)發(fā),可以給網(wǎng)站添加各種各樣的動(dòng)態(tài)效果,讓網(wǎng)頁(yè)更加美觀。
具體如下:
一、代碼實(shí)現(xiàn)
<!DOCTYPE html> <html ng-app='app'> <head> <meta charset="UTF-8"> <title></title> <style> *{ list-style: none; margin: 0; padding: 0; } .TabNav{ height: 131px; width: 450px; position: relative; margin-left: auto; margin-right: auto; margin-top: 100px; } .TabNav ul li{ float: left; background: -webkit-gradient(linear,left top,left bottom, from(#fefefe), to(#ededed)); border: 1px solid #ccc; padding: 5px 0; width: 100px; text-align: center; margin-left: -1px; position: relative; cursor: pointer; } .TabCon{ position: absolute; left: -1px; top: 30px; border: 1px solid #ccc; border-top: none; width: 403px; height: 100px; } .TabNav ul li.active{ background: #FFFFFF; border-bottom: none; } </style> <script src="js/angular.min.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div class="TabNav"> <ul ng-init='activeTab=1'> <li ng-class='{active:activeTab==1}' ng-click='activeTab=1'>許嵩</li> <li ng-class='{active:activeTab==2}' ng-click='activeTab=2'>周杰倫</li> <li ng-class='{active:activeTab==3}' ng-click='activeTab=3'>林俊杰</li> <li ng-class='{active:activeTab==4}' ng-click='activeTab=4'>陳奕迅</li> </ul> <div class="TabCon"> <div ng-show='activeTab==1'>斷橋殘雪、千百度、幻聽(tīng)、想象之中</div> <div ng-show='activeTab==2'>紅塵客棧、牛仔很忙、給我一首歌的時(shí)間、聽(tīng)媽媽的話</div> <div ng-show='activeTab==3'>被風(fēng)吹過(guò)的夏天、江南、一千年以后</div> <div ng-show='activeTab==4'>十年、K歌之王、浮夸</div> </div> </div> </body> <script type="text/javascript"> var app=angular.module('app',[]); app.controller('tabcontroller',function($scope){ var vm=$scope.vm; }); </script> </html>
二、效果預(yù)覽
三、實(shí)現(xiàn)原理
選項(xiàng)卡的內(nèi)容是顯示還是隱藏是由activeTab的值決定的,而這個(gè)值是通過(guò)選項(xiàng)卡上面的ng-click指令設(shè)置的,當(dāng)對(duì)應(yīng)選項(xiàng)卡的內(nèi)容顯示的時(shí)候,給點(diǎn)擊的按鈕添加樣式,這樣做雖然也能實(shí)現(xiàn)選項(xiàng)卡的內(nèi)容,但是這樣做的的弊端是,選項(xiàng)卡的內(nèi)容是固定的,不好去改變,所以接下來(lái)我們將上面的代碼改成下面這種形式
四、改版
<!DOCTYPE html> <html ng-app='app'> <head> <meta charset="UTF-8"> <title></title> <style> *{ list-style: none; margin: 0; padding: 0; } .TabNav{ height: 131px; position: relative; margin-left: 100px; margin-top: 100px; } .TabNav ul li{ float: left; background: -webkit-gradient(linear,left top,left bottom, from(#fefefe), to(#ededed)); border: 1px solid #ccc; padding: 5px 0; width: 100px; text-align: center; margin-left: -1px; position: relative; cursor: pointer; } .TabCon{ position: absolute; left: -1px; top: 30px; border: 1px solid #ccc; border-top: none; width: 403px; height: 100px; } .TabNav ul li.active{ background: #FFFFFF; border-bottom: none; } </style> <script src="js/angular.min.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div class="TabNav" ng-controller='tabcontroller'> <ul ng-init='selected=0'> <li ng-class='{active:selected==$index}' ng-click='show($index)' ng-repeat='item in vm'>{{item.list}}</li> </ul> <div class="TabCon"> <div ng-show='selected==$index' ng-repeat='item in vm'>{{item.con}}</div> </div> </div> </body> <script type="text/javascript"> var app=angular.module('app',[]); app.controller('tabcontroller',function($scope){ $scope.vm=[ {"list":"許嵩","con":"斷橋殘雪、千百度、幻聽(tīng)、想象之中"}, {"list":"周杰倫","con":"紅塵客棧、牛仔很忙、給我一首歌的時(shí)間、聽(tīng)媽媽的話"}, {"list":"林俊杰","con":"被風(fēng)吹過(guò)的夏天、江南、一千年以后"}, {"list":"陳奕迅","con":"十年、K歌之王、浮夸"} ]; var selected=$scope.selected; $scope.show=function(index){ $scope.selected=index; }; }); </script> </html>
說(shuō)明:vm這個(gè)數(shù)組里面是我們自己定義的一些假數(shù)據(jù)(這個(gè)數(shù)據(jù)實(shí)際上是可以從后臺(tái)獲取的),然后我們通過(guò)ng-repeat指令循環(huán)遍歷出vm里面的數(shù)據(jù),插入到頁(yè)面中,$index是每個(gè)內(nèi)容對(duì)象的索引值
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