AngularJS ng-repeat 指令
AngularJS 執行個體
迴圈輸出多個標題:
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://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 = [ "菜鳥教程1", "菜鳥教程2", "菜鳥教程3", "菜鳥教程4", ]});</script></body></html>
定義和用法
ng-repeat 指令用於迴圈輸出指定次數的 HTML 元素。
集合必須是數組或對象。
文法
<element ng-repeat="expression"></element>
所有的 HTML 元素都支援該指令。
參數值
| 值 | 描述 |
|---|---|
| expression | 運算式定義了如何迴圈集合。 運算式執行個體規則: x in records (key, value) in myObj x in records track by $id(x) |
更多執行個體
AngularJS 執行個體
使用數組迴圈輸出一個表格:
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body ng-app="myApp"><table ng-controller="myCtrl" border="1"><tr ng-repeat="x in records"> <td>{{x.Name}}</td> <td>{{x.Country}}</td> </tr></table><script>var app = angular.module("myApp", []);app.controller("myCtrl", function($scope) { $scope.records = [ { "Name" : "Alfreds Futterkiste", "Country" : "Germany" }, { "Name" : "Berglunds snabbk", "Country" : "Sweden" }, { "Name" : "Centro comercial Moctezuma", "Country" : "Mexico" }, { "Name" : "Ernst Handel", "Country" : "Austria" } ]});</script></body></html>
運行結果：
| Alfreds Futterkiste | Germany |
| Berglunds snabbk | Sweden |
| Centro comercial Moctezuma | Mexico |
| Ernst Handel | Austria |
AngularJS 執行個體
使用對象迴圈輸出一個表格:
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body ng-app="myApp"><table ng-controller="myCtrl" border="1"><tr ng-repeat="(x, y) in myObj"> <td>{{x}}</td> <td>{{y}}</td> </tr></table><script>var app = angular.module("myApp", []);app.controller("myCtrl", function($scope) { $scope.myObj = { "Name" : "Alfreds Futterkiste", "Country" : "Germany", "City" : "Berlin" }});</script></body></html>
運行結果：
| Name | Alfreds Futterkiste |
| Country | Germany |
| City | Berlin |
以上就是對AngularJS ng-repeat 指令的基礎資料整理，後續繼續補充。
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