<!DOCTYPE html>
<html lang="en">
<head>
<Meta charset="UTF-8">
<title>Title</title>
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
<!--
ng-repeat解决元素重复:
语法:
ng-repeat="index in myScope track by $index "
-->
<script>
var app = angular.module('myApp',[]);
app.controller('myController',function($scope){
$scope.myScope = [
{'name':'aaa'},{'name':'bbb'},{'name':'aaa'},{'name':'ccc'},{'name':'ddd'},{'name':'eee'},{'name':'bbb'}
];
});
</script>
</head>
<body ng-app="myApp" ng-controller="myController">
<div ng-repeat="obj in myScope track by $index">
<!--当为数组有重复时一般报错 需用track by $index 处理 对象没事-->
<span>{{obj.name}}</span>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<Meta charset="UTF-8">
<title>Title</title>
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
<script>
var app = angular.module('myApp',function($scope){
$scope.myScope = {
// nameArray :[1,1,2,3,4,5,6]
nameArray:[
{'name':'aaa'},{'name':'bbb'}
]
}
});
</script>
</head>
<body ng-app="myApp" ng-controller="myController">
<div ng-repeat="index in myScope.nameArray track by $index ">
<!--当为数组有重复时一般报错 需用track by $index 处理 对象没事-->
<button>{{index}}</button>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<Meta charset="UTF-8">
<title>Title</title>
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
<script>
var myapp=angular.module('myapp',[]);
myapp.controller('test',function($scope){
$scope.arr=['aa','bb','cc','dd','cc']
$scope.obj=[
{'name':'same1'},{'name':'same2'},{'name':'same3'},{'name':'same4'},{'name':'same1'}
]
});
</script>
</head>
<body>
<div ng-app="myapp" ng-controller="test">
<ol>
<li ng-repeat="x in arr track by $index">
<p ng-if="x=='aa'">{{x}} </p>
<p ng-if="x=='bb'">{{x}}</p>
<p ng-if="x=='cc'">{{x}}</p>
<p ng-if="x=='dd'">{{x}}</p>
</li>
</ol>
<ol>
<li ng-repeat="y in obj" ng-switch on="y.name">
<p ng-switch-when="same1">{{y.name}}</p>
<p ng-switch-when="same2">{{y.name}}</p>
<p ng-switch-when="same3">{{y.name}}</p>
<p ng-switch-when="same4">{{y.name}}</p>
</li>
</ol>
</div>
</body>
</html> 原文链接：https://www.f2er.com/angularjs/146541.html