AngularJS 教程

AngularJS ng-repeat 指令

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AngularJS 实例

循环输出多个标题:

<body ng-app="myApp" ng-controller="myCtrl">

<h1 ng-repeat="x in records">{{x}}</h1>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
$scope.records = [
"小白教程1",
"小白教程2",
"小白教程3",
"小白教程4",
]
});
</script>

</body>


定义和用法

ng-repeat 指令用于循环输出指定次数的 HTML 元素。

集合必须是数组或对象。


语法

<element ng-repeat="expression"></element>

所有的 HTML 元素都支持该指令。


参数值

描述
expression 表达式定义了如何循环集合。

表达式实例规则:

x in records

(key, value) in myObj

x in records track by $id(x)

更多实例

AngularJS 实例

使用数组循环输出一个表格:

<table ng-controller="myCtrl" border="1">
<tr ng-repeat="x in records">
<td>{{x.Name}}</td>
<td>{{x.Country}}</td>
</tr>
</table>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
$scope.records = [
{
"Name" : "Alfreds Futterkiste",
"Country" : "Germany"
},{
"Name" : "Berglunds snabbk"op",
"Country" : "Sweden"
},{
"Name" : "Centro comercial Moctezuma",
"Country" : "Mexico"
},{
"Name" : "Ernst Handel",
"Country" : "Austria"
}
]
});
</script>

AngularJS 实例

使用对象循环输出一个表格:

<table ng-controller="myCtrl" border="1">
<tr ng-repeat="(x, y) in myObj">
<td>{{x}}</td>
<td>{{y}}</td>
</tr>
</table>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
$scope.myObj = {
"Name" : "Alfreds Futterkiste",
"Country" : "Germany",
"City" : "Berlin"
}
});
</script>


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