angular28-ng-class颜色切换

简介: angular28-ng-class颜色切换
<!DOCTYPE html>
     <html lang="en">
     <head>
         <meta charset="UTF-8">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>ng-app指令</title>
         <style>
             .red {
                 color: red;
             }
             .green {
                 color: green;
             }
         </style>
     </head>
     <!-- 需要angular的代码必须包裹在ng-app的代码中 -->
     <!-- ng-bind遇到html的时候会转义 为了安全 -->
     <body ng-app="myApp1">
         <ul ng-controller="ListController">
             <!-- class="{{$even?'red':'green'}}" -->
             <!-- ng-class会根据当前的值决定是否谈价特定类名 -->
             <li ng-repeat="name in student track by $index" ng-class="{red:name.startsWith('g')}"><strong>{{name}}</strong></li>
         </ul>
         <script src="./js/Angular.js"></script>
         <!-- 隔行换色 -->
         <script>
             var myApp1 = angular.module('myApp1', []);
             myApp1.controller('ListController', ['$scope', function($scope) {
                 $scope.student = ['geyao', 'zhansan', 'wang']
             }])
         </script>
     </body>
     </html>

image.png

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