AngularJS ng-repeat 指令
AngularJS 实例
循环输出多个标题:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> </head> <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 = [ "菜鸟教程1", "菜鸟教程2", "菜鸟教程3", "菜鸟教程4", ] }); </script> </body> </html>
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 $id(x)
更多实例
AngularJS 实例
使用数组循环输出一个表格:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> </head> <body ng-app="myApp"> <table ng-controller="myCtrl"> <tr ng-repeat="x in records"> <td>{{x.Name}}</td> <td>{{x.Country}}</td> </tr> </table> <script> var app = angular.module("myApp", []); app.controller("myCtrl", function($scope) { $scope.records = [ { "Name" : "Alfreds Futterkiste", "Country" : "Germany" }, { "Name" : "Berglunds snabbk", "Country" : "Sweden" }, { "Name" : "Centro comercial Moctezuma", "Country" : "Mexico" }, { "Name" : "Ernst Handel", "Country" : "Austria" } ] }); </script> </body> </html>
运行结果：
Alfreds Futterkiste
Germany
Berglunds snabbk
Sweden
Centro comercial Moctezuma
Mexico
Ernst Handel
Austria
AngularJS 实例
使用对象循环输出一个表格:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> </head> <body ng-app="myApp"> <table ng-controller="myCtrl"> <tr ng-repeat="(x, y) in myObj"> <td>{{x}}</td> <td>{{y}}</td> </tr> </table> <script> var app = angular.module("myApp", []); app.controller("myCtrl", function($scope) { $scope.myObj = { "Name" : "Alfreds Futterkiste", "Country" : "Germany", "City" : "Berlin" } }); </script> </body> </html>
运行结果：
Name
Alfreds Futterkiste
Country
Germany
City
Berlin
以上就是对AngularJS ng-repeat 指令的基础资料整理，后续继续补充。
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