一、定义和用法
ng-switch指令根据表达式显示或隐藏对应的部分。
对应的子元素使用ng-switch-when指令,如果匹配选中选择显示,其他为匹配的则移除。
你可以通过使用ng-switch-default指令设置默认选项,如果都没有匹配的情况,默认选项会显示。
语法
<
element
ng-switch=
"expression"
>
ng-switch-when= "value" > /element ng-switch-default >
>
ng-switch-when= "value" > /element ng-switch-default >
>
参数值
值 | 描述 |
---|---|
expression | 表达式会让匹配项显示,不匹配项移除。 |
html:
<div class="container" ng-app="myApp" ng-init="range=1"> <h3>ng-switch实例</h3> <p> 选择范围: <label>1-3:<input type="radio" ng-model="range" name="range" value="1" /></label> <label>4:<input type="radio" ng-model="range" name="range" value="2" /></label> <label>5:<input type="radio" ng-model="range" name="range" value="3" /></label> </p> <ul class="list-group" ng-switch="range"> <li class="list-group-item" ng-switch-when="1">Item1</li> <li class="list-group-item" ng-switch-when="1">Item2</li> <li class="list-group-item" ng-switch-when="1">Item3</li> <li class="list-group-item" ng-switch-when="2">Item4</li> <li class="list-group-item" ng-switch-when="3">Item5</li> </ul> </div> <script> var app = angular.module('myApp',[]); </script>
1.引用:
<link href="../Content/bootstrap.min.css" rel="stylesheet" /> <link href="../Content/ng-animation.css" rel="stylesheet" /> <script src="../Scripts/Angular/angular.min.js"></script> <script src="../Scripts/Angular/angular-animate.min.js"></script>
2.css
/**控制显示容器**/ .siteContainer { width: 200px; height: 200px; border: 1px solid blue; position: relative; } .siteContainer > div { position: absolute; left: 0px; top: 0px; text-align: center; width: 100%; }
3.html
<div class="container" ng-app="myApp"> <h3 class="text-center">scale-fade动画使用实例之ng-switch</h3> <p> 我喜欢的网站 <select ng-model="sites"> <option value="runoob">wwww.runoob.com</option> <option value="google">wwww.google.com</option> <option value="taobao">wwww.taobao.com</option> <option value="gongjuji">wwww.gongjuji.net</option> </select> </p> <div ng-switch="sites" class="siteContainer"> <div ng-switch-when="runoob" class="scale-fade"> <h1>菜鸟教程</h1> <p>欢迎访问菜鸟教程</p> </div> <div ng-switch-when="google" class="scale-fade"> <h1>google</h1> <p>欢迎访问google</p> </div> <div ng-switch-when="taobao" class="scale-fade"> <h1>taobao</h1> <p>欢迎访问taobao</p> </div> <div ng-switch-when="gongjuji" class="scale-fade"> <h1>微工具集</h1> <p>欢迎访问微工具集</p> </div> </div> </div> <script> var app = angular.module('myApp',['ngAnimate']); </script>
更多: 原文链接:https://www.f2er.com/angularjs/148453.html