我正在尝试创建一种文件资源管理器类型的项目。我为此使用angularjs。问题是我无法从手动创建的json文件中获取数据。
我的json数据
[
{
"id": 0,
"name": "Nature",
"images": [
{
"id": 0,
"src": "images/nature/01.jpg",
"thumb": "images/nature/01-thumb.jpg",
"name": "Nature View"
},
{
"id": 1,
"src": "images/nature/02.jpg",
"thumb": "images/nature/02-thumb.jpg",
"name": "Nature View"
},
{
"id": 2,
"src": "images/nature/03.jpg",
"thumb": "images/nature/03-thumb.jpg",
"name": "Nature View"
},
{
"id": 3,
"src": "images/nature/04.jpg",
"thumb": "images/nature/04-thumb.jpg",
"name": "Nature View"
}
]
},
{
"id": 1,
"name": "Lanscape",
"images": [
{
"id": 0,
"src": "images/landscape/01.jpg",
"thumb": "images/landscape/01-thumb.jpg",
"name": "Landscape View"
},
{
"id": 1,
"src": "images/landscape/02.jpg",
"thumb": "images/landscape/02-thumb.jpg",
"name": "Landscape View"
},
{
"id": 2,
"src": "images/landscape/03.jpg",
"thumb": "images/landscape/03-thumb.jpg",
"name": "Landscape View"
},
{
"id": 3,
"src": "images/landscape/04.jpg",
"thumb": "images/landscape/04-thumb.jpg",
"name": "Landscape View"
}
]
},
{
"id": 2,
"name": "Movies",
"images": [
{
"id": 0,
"src": "images/movies/01.jpg",
"thumb": "images/movies/01-thumb.jpg",
"name": "Ipsum View"
},
{
"id": 1,
"src": "images/movies/02.jpg",
"thumb": "images/movies/02-thumb.jpg",
"name": "Ipsum View"
},
{
"id": 2,
"src": "images/movies/03.jpg",
"thumb": "images/movies/03-thumb.jpg",
"name": "Ipsum View"
},
{
"id": 3,
"src": "images/movies/04.jpg",
"thumb": "images/movies/04-thumb.jpg",
"name": "Ipsum View"
}
]
}
]
这是一个文件浏览器,因此认为它应该具有类别名称,并且其中将包含图像。这就是这种结构的原因。
index.html
<!DOCTYPE html>
<html ng-app="myApp">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.15/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.15/angular-route.min.js"></script>
<script src="js/app.js"></script>
</head>
<body>
<div ng-view></div>
</body>
</html>
app.js
var app = angular.module('myApp', ['ngRoute']);
app.config(function($routeProvider) {
$routeProvider.
when('/', {
templateUrl: 'home.html',
controller: 'mainCtrl'
}).
when('/:id', {
templateUrl: 'detail.html',
controller: 'detailCtrl'
}).
otherwise({
redirectTo: '/'
});
});
app.controller('mainCtrl', function($http, $scope) {
$http.get('data.json').success(function (data) {
$scope.mainData = data;
});
});
app.controller('detailCtrl', function($http, $scope, $routeParams) {
$scope.id = $routeParams.id;
$http.get('data.json').success(function (data) {
angular.forEach(data, function (temp) {
$scope.mainData = temp.images;
});
});
});
home.html
<ul ng-repeat="data in mainData">
<li><a href="#/{{data.id}}">{{data.name}}</a></li>
</ul>
detail.html
<div ng-repeat="data in mainData">
<h1>{{data.name}}</h1>
<img src="{{data.thumb}}" />
</div>
当我循环进入图像时,每个id的数据显示都相同。我要尝试的是单击自然时要显示自然图像及其数据。我创建了一个plunkr http://plnkr.co/edit/aR7PM2KQw7XsCtGTYvtI?p=preview
请帮我解决这个问题,因为我在理解此问题时遇到了麻烦。
问题是您始终将mainData设置为最后一个元素的detailCtrl。快速解决:
app.controller('detailCtrl', function($http, $scope, $routeParams) {
$scope.id = $routeParams.id;
$http.get('data.json').success(function (data) {
$scope.mainData = data[$scope.id].images;
});
});
已编辑Plunker:http://plnkr.co/edit/3G2TFGvgfW4EihhS4oo4?p = preview
扩展编辑:
这是可行的,但不是按角度工作的方法,您应该将数据访问包装到工厂中,然后在加载视图之前在路由器中解析数据模型。现在,您每次都只应提取一次数据,因此每次都需要提取数据。
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我来说两句