Javascript Ionic ng类函数触发所有ng点击应用程序如何解决此问题
我有一个离子列表,它使用函数getClass()来获取每次迭代的类名。 此“getClass()”函数将在填充列表时触发,但似乎在应用程序中的每次ng单击中都会触发该函数。例如,当我单击上面的“新闻”按钮时,该函数被触发 Html文件中的代码是:Javascript Ionic ng类函数触发所有ng点击应用程序如何解决此问题,javascript,jquery,angularjs,ionic-framework,Javascript,Jquery,Angularjs,Ionic Framework,我有一个离子列表,它使用函数getClass()来获取每次迭代的类名。 此“getClass()”函数将在填充列表时触发,但似乎在应用程序中的每次ng单击中都会触发该函数。例如,当我单击上面的“新闻”按钮时,该函数被触发 Html文件中的代码是: <ion-view view-title="News App" > <ion-content> <div class="ionic"> <div class="button-bar ba
<ion-view view-title="News App" >
<ion-content>
<div class="ionic">
<div class="button-bar bar-energized">
<a class="button button-raised ink-dark" ng-click="">
News
</a>
<a class="button button-raised ink-dark">
Features
</a>
</div>
<div class="content " ng-controller="NewsCtrl">
<div class="list ">
<div ng-repeat="news in newslists" ng-class="getClass()" ng-click="" >
<p>{{news.title}}</p>
</div>
</div>
</div>
</div>
</ion-content>
</ion-view>
代码正常工作,类沿着列表填充,但控制台给出以下错误:
Error: [$rootScope:infdig] 10 $digest() iterations reached. Aborting!
Watchers fired in the last 5 iterations: [[{"msg":"getClass()","newVal":"class2","oldVal":"class1"},{"msg":"getClass()","newVal":"class3","oldVal":"class2"},{"msg":"getClass()","newVal":"class4","oldVal":"class3"},{"msg":"getClass()","newVal":"class5","oldVal":"class4"},{"msg":"getClass()","newVal":"class1","oldVal":"class5"},{"msg":"getClass()","newVal":"class2","oldVal":"class1"}],[{"msg":"getClass()","newVal":"class3","oldVal":"class2"},{"msg":"getClass()","newVal":"class4","oldVal":"class3"},{"msg":"getClass()","newVal":"class5","oldVal":"class4"},{"msg":"getClass()","newVal":"class1","oldVal":"class5"},{"msg":"getClass()","newVal":"class2","oldVal":"class1"},{"msg":"getClass()","newVal":"class3","oldVal":"class2"}],[{"msg":"getClass()","newVal":"class4","oldVal":"class3"},{"msg":"getClass()","newVal":"class5","oldVal":"class4"},{"msg":"getClass()","newVal":"class1","oldVal":"class5"},{"msg":"getClass()","newVal":"class2","oldVal":"class1"},{"msg":"getClass()","newVal":"class3","oldVal":"class2"},{"msg":"getClass()","newVal":"class4","oldVal":"class3"}],[{"msg":"getClass()","newVal":"class5","oldVal":"class4"},{"msg":"getClass()","newVal":"class1","oldVal":"class5"},{"msg":"getClass()","newVal":"class2","oldVal":"class1"},{"msg":"getClass()","newVal":"class3","oldVal":"class2"},{"msg":"getClass()","newVal":"class4","oldVal":"class3"},{"msg":"getClass()","newVal":"class5","oldVal":"class4"}],[{"msg":"getClass()","newVal":"class1","oldVal":"class5"},{"msg":"getClass()","newVal":"class2","oldVal":"class1"},{"msg":"getClass()","newVal":"class3","oldVal":"class2"},{"msg":"getClass()","newVal":"class4","oldVal":"class3"},{"msg":"getClass()","newVal":"class5","oldVal":"class4"},{"msg":"getClass()","newVal":"class1","oldVal":"class5"}]]
http://errors.angularjs.org/1.3.13/$rootScope/infdig?p0=10&p1=%5B%5B%7B%22m…3A%22card%20dark-bg%20in%22%2C%22oldVal%22%3A%22ard%20royal-bg%22%7D%5D%5D
at REGEX_STRING_REGEXP (ionic.bundle.js:8762)
at Scope.$get.Scope.$digest (ionic.bundle.js:22980)
at Scope.$get.Scope.$apply (ionic.bundle.js:23205)
at done (ionic.bundle.js:18358)
at completeRequest (ionic.bundle.js:18548)
at XMLHttpRequest.requestLoaded (ionic.bundle.js:18489)
上述错误也会在每次ng-click中重复出现 看来你把这件事复杂化了。不需要跳那么多圈就可以得到正确的类来获得正确的索引。请尝试以下代码:
<div ng-repeat="news in newslists" ng-class="getClass($index)" ng-click="" >
<p>{{news.title}}</p>
</div>
Angular公开了一个特殊的
$index
变量,该变量包含ng repeat指令每个元素的数组索引。错误得到解决,但我想在ng repeat的索引较大时重复数组类列表中的类,例如,如果索引为10或20
<div ng-repeat="news in newslists" ng-class="getClass($index)" ng-click="" >
<p>{{news.title}}</p>
</div>
.controller('NewsCtrl', function($scope) {
var classlist =["class1","class2","class3","class4","class5"];
var classLength = classlist.length;
$scope.newslists = [{....},{...},{...} ]; // array of arrays with news details
$scope.getClass =function(index) {
return classlist[index % classLength];
};
})