我遇到的问题是我的ng-repeat/ng-bind不会显示$scope.articles中的数据。 在控制台中,我得到了我期望的数据。我现在做了一个代码截图,这样更容易发现问题。
var App = angular.module('App', []);
App.controller('WebCtrl', function($scope, $http) {
$scope.start = [{
"id": 1,
"text": "test1"
}, {
"id": 2,
"text": "test2"
}, {
"id": 3,
"text": "test3"
}, {
"id": 4,
"text": "test4"
}];
$scope.articles = $scope.start;
$http.get('/')
.then(function() {
$scope.menu = function(id) {
$scope.articles = $scope.start[id];
console.log($scope.articles);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<!doctype html>
<html ng-app="App">
<head>
<meta charset="utf-8">
<title>Todos $http</title>
<script src="app.js"></script>
</head>
<body ng-controller="WebCtrl">
<ul>
<li style="list-style: none">
<button ng-click="menu(0)">1</button>
<button ng-click="menu(1)">2</button>
<button ng-click="menu(2)">3</button>
<button ng-click="menu(3)">4</button>
</li>
</ul>
<ul>
<li style="list-style: none" ng-repeat="article in articles">
{{article.text}}
</li>
</ul>
</body>
</html>
您的代码以指向数组的文章对象开头。在菜单中,它被一个对象替换。ng-repeat迭代其键。
我想主要的变化是:
$scope.articles = $scope.start.slice(id, id + 1);
var App = angular.module('App', []);
App.controller('WebCtrl', function($scope, $http) {
$scope.start = [{
"id": 1,
"text": "test1"
}, {
"id": 2,
"text": "test2"
}, {
"id": 3,
"text": "test3"
}, {
"id": 4,
"text": "test4"
}];
$scope.articles = $scope.start;
$scope.menu = function(id) {
$scope.articles = $scope.start.slice(id, id + 1);
console.log($scope.articles);
}
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<!doctype html>
<html ng-app="App">
<head>
<meta charset="utf-8">
<title>Todos $http</title>
<script src="app.js"></script>
</head>
<body ng-controller="WebCtrl">
<ul>
<li style="list-style: none">
<button ng-click="menu(0)">1</button>
<button ng-click="menu(1)">2</button>
<button ng-click="menu(2)">3</button>
<button ng-click="menu(3)">4</button>
</li>
</ul>
<ul>
<li style="list-style: none" ng-repeat="article in articles">
{{article.text}}
</li>
</ul>
</body>
</html>