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AngularJS ng-repeat 指令

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 = [
        "学编程1",
        "学编程2",
        "学编程3",
        "学编程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

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 snabbköp",
            "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>