javascript - 如何将 Angular-Chart.JS 数据添加到 UI-Router .State Controller 中？

Question

我正在尝试做什么: 我正在使用 Angular UI-Router 构建一个单页应用程序。我的其中一个页面有一个折线图，所以我使用 angular-chart.js .

我不明白的地方: 我不明白如何让图表显示在 UI 路由器状态中。如果我不将图表包含到单页应用程序中，我可以让图表正常工作。我感觉我需要向包含 $scope 标签、系列和数据的 UI-Router 状态添加一个 Controller ，但我无法让它正常工作。

Angular-Chart.js 代码

var chartApp = angular.module('myApp', ['chart.js']);

chartApp.controller("LineCtrl", function ($scope) {
    'use strict';   
    $scope.labels = ["January", "February", "March", "April", "May", "June", "July"];
    $scope.series = ['Motivation', 'Workload'];
    $scope.data = [
        [65, 59, 80, 81, 56, 55, 40],
        [28, 48, 40, 19, 86, 27, 90]
    ];
    $scope.onClick = function (points, evt) {
        console.log(points, evt);
    };
});

UI-路由器代码

var myApp = angular.module('myApp', ['ui.router']);

myApp.config(function($stateProvider, $urlRouterProvider) {
    'use strict';

    // For any unmatched url, redirect home
    $urlRouterProvider.otherwise('/home');

    $stateProvider

    // chart page
    .state('charts', {
        url: '/charts',
        templateUrl: 'app/charts.html'
    });
});

Answer 1

在您的 JavaScript 代码中，您没有包含 Controller 。应该是:

var myApp = angular.module('myApp', ['ui.router']);

myApp.config(function($stateProvider, $urlRouterProvider) {
    'use strict';

    // For any unmatched url, redirect home
    $urlRouterProvider.otherwise('/home');

    $stateProvider

    // chart page
    .state('charts', {
        url: '/charts',
        templateUrl: 'app/charts.html'
        controller: 'LineCtrl'
    });
});

不过，还有比这更好的方法。您可以解析来自服务的数据，以便页面在显示编译后的 html 之前等待该数据。

var myApp = angular.module('myApp', ['ui.router', 'someService']);

myApp.config(function($stateProvider, $urlRouterProvider) {
    'use strict';

    // For any unmatched url, redirect home
    $urlRouterProvider.otherwise('/home');

    $stateProvider

    // chart page
    .state('charts', {
        url: '/charts',

        //I use the 'views' property to ready my code for nested views as well as to
        //isolate the properties for each view on that particular url
        views: {
            '':{
                templateUrl: 'app/charts.html',
                controller: 'LineCtrl',
                controllerAs: 'lineCtrl',
                resolve:{
                    labels: function(someService){
                        return someService.getAllLabels();
                    },
                    series: function(someService){
                        return someService.getAllSeries();
                    },
                    data: function(someService){
                        return someService.getAllData();
                    }
               }
            }
        }
    });
});

你的 Controller 应该是这样的:

var chartApp = angular.module('myApp', ['chart.js']);

chartApp.controller("LineCtrl", ['$scope', 'labels', 'series', 'data', function ($scope, labels, series, data) {
    'use strict';   
    $scope.labels = labels;
    $scope.series = series;
    $scope.data = data;
    $scope.onClick = function (points, evt) {
        console.log(points, evt);
    };

}]);