我正在努力研究如何用ngClick添加一个类。我已经把我的代码上传到了plunker点击这里。看了angular的文档,我不知道具体应该怎么做。下面是我的一个代码片段。谁能告诉我正确的方向呢?
<div ng-show="isVisible" ng-class="{'selected': $index==selectedIndex}" class="block"></div>
控制器
var app = angular.module("MyApp", []);
app.controller("subNavController", function ($scope){
$scope.toggle = function (){
$scope.isVisible = ! $scope.isVisible;
};
$scope.isVisible = false;
});
我想在 "ng-click "上动态地添加或删除"active
"类,这里我做了什么。
<ul ng-init="selectedTab = 'users'">
<li ng-class="{'active':selectedTab === 'users'}" ng-click="selectedTab = 'users'"><a href="#users" >Users</a></li>
<li ng-class="{'active':selectedTab === 'items'}" ng-click="selectedTab = 'items'"><a href="#items" >Items</a></li>
</ul>
你只需要在指令"ng-class"中绑定一个变量,然后从控制器中改变它。下面是一个如何做到这一点的例子。
var app = angular.module("ap",[]);
app.controller("con",function($scope){
$scope.class = "red";
$scope.changeClass = function(){
if ($scope.class === "red")
$scope.class = "blue";
else
$scope.class = "red";
};
});
.red{
color:red;
}
.blue{
color:blue;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="ap" ng-controller="con">
<div ng-class="class">{{class}}</div>
<button ng-click="changeClass()">Change Class</button>
</body>
<!--结束片段-->。
下面是在[jsFiddle][1]上工作的例子
你说得很对,你所要做的就是在你的ng-click中设置selectedIndex。
ng-click="selectedIndex = 1"
下面是我如何实现一组改变ng-view的按钮,并高亮显示当前选定视图的按钮。
<div id="sidebar" ng-init="partial = 'main'">
<div class="routeBtn" ng-class="{selected:partial=='main'}" ng-click="router('main')"><span>Main</span></div>
<div class="routeBtn" ng-class="{selected:partial=='view1'}" ng-click="router('view1')"><span>Resume</span></div>
<div class="routeBtn" ng-class="{selected:partial=='view2'}" ng-click="router('view2')"><span>Code</span></div>
<div class="routeBtn" ng-class="{selected:partial=='view3'}" ng-click="router('view3')"><span>Game</span></div>
</div>
并在我的控制器中这样做。
$scope.router = function(endpoint) {
$location.path("/" + ($scope.partial = endpoint));
};