加载JSON并在我的Angular应用的所有视图中显示它

Load JSON and display it on all the views in my Angular App

本文关键字:视图 显示 应用 JSON 我的 Angular 加载      更新时间:2023-09-26

我已经包括了index.html, app.js和json的代码。我已经创建了我需要的视图。但我希望加载json并在应用程序的所有视图中显示。我可以在一个页面上调用json,但不能在其他视图上调用。请给我一些指点。

HTML Code:
<!DOCTYPE html>
<!--[if lt IE 7]>      <html lang="en" ng-app="myApp" class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html lang="en" ng-app="myApp" class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html lang="en" ng-app="myApp" class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html lang="en" ng-app="myApp" class="no-js"> <!--<![endif]-->
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>My AngularJS App</title>
    <meta name="description" content="">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="bower_components/html5-boilerplate/dist/css/normalize.css">
    <link rel="stylesheet" href="bower_components/html5-boilerplate/dist/css/main.css">
    <link rel="stylesheet" href="app.css">
    <script src="bower_components/html5-boilerplate/dist/js/vendor/modernizr-2.8.3.min.js"></script>
    <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
</head>
<body ng-app="myApp">

<div class="container">
    <div>
        <h1 style="text-align:right">Visa Cares</h1>
        <h3 style="text-align: left">Total Body Transformation</h3>
    </div>
    <div ng-controller="myController" >
        <ul class="nav nav-tabs">
            <li><a href="#/view1">Home</a></li>
            <li><a href="#/view2">Back</a></li>
        </ul>
        <button ng-click="clickButton()">List</button>

        <table border="0" cellpadding="3">
            <tr ng-repeat="x in modules">
                <td>{{x.filters}}</td>
                <td>{{ x.title}}</td>
                <td>{{x.feature}}</td>
                <td>{{x.order}}</td>
            </tr>
        </table>
<pre>
        <div ng-repeat="y in modules">
        {{y.buildings.building1.floors.floor1.rooms.room1 | prettyJSON}}
        </div>
</pre>
    </div>
    <!--[if lt IE 7]>
    <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience.</p>
    <![endif]-->
    <div ng-view>
        Hello AJ
    </div>
    <div>Angular seed app: v<span app-version></span></div>
    <div>
        <footer>
            <ul class = "nav nav-tabs">
                <li><a href="#/view1">Campus Buildings</a></li>
                <li><a href="#/view2">Conference Rooms</a></li>
                <li><a href="#/view3">Hotteling Areas</a></li>
                <li><a href="#/view4">Huddle Rooms</a></li>
                <li><a href="#/view5">Shuttle Schedule</a></li>
            </ul>
        </footer>
    </div>
    <!-- In production use:
      <script src="//ajax.googleapis.com/ajax/libs/angularjs/x.x.x/angular.min.js"></script>
      -->
    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
    <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
    <script src="bower_components/angular/angular.js"></script>
    <script src="bower_components/angular-route/angular-route.js"></script>
    <script src="app.js"></script>
    <script src="view1/view1.js"></script>
    <script src="view2/view2.js"></script>
    <script src="view3/view3.js"></script>
    <script src="view4/view4.js"></script>
    <script src="view5/view5.js"></script>
    <script src="components/version/version.js"></script>
    <script src="components/version/version-directive.js"></script>
    <script src="components/version/interpolate-filter.js"></script>
</div>
</body>
</html>


Controller Code:
'use strict';
// Declare app level module which depends on views, and components
var wfApp = angular.module('myApp', [
  'ngRoute',
  'myApp.view1',
  'myApp.view2',
    'myApp.view3',
    'myApp.view4',
    'myApp.view5',
  'myApp.version'
]).
    config(['$routeProvider', function($routeProvider) {
      $routeProvider.otherwise({redirectTo: '/view1'});
    }]);

wfApp.controller('myController', ['$scope', '$http', function($scope, $http) {
    $scope.clickButton = function() {
        $http.get('document.json').success(function(data) {
            $scope.modules = data.modules;
            $scope.modules = data.modules.buildings.building1;
        });
    }

}]);

I have a document.json which contains following data:
{"modules": [
          {
            "title": "Conference Rooms",
            "feature": "list",
            "filters": "Conference",
            "Order": 1,
            "icon": "conference.png"
          },
          {
            "title": "Hoteling Rooms",
            "feature": "list",
            "filters": "Hotel",
            "order": 2,
            "icon": "hoteling.png"
          },
          {
            "title": "Huddle Rooms",
            "feature": "list",
            "filters": "Huddle",
            "order": 3,
            "icon": "huddle.png"
          },
          {
            "title": "Shuttle Schedule",
            "feature": "shuttle_list",
            "order": 4,
            "csvInput": {
              "d1Pickup": [
                "8:00",
                "8:30",
                "9:00"
              ],
              "d4Pickup": [
                "7:50",
                "8:20",
                "8:50"
              ]
            },
            "icon": "shuttle.png"
          },
          {
            "feature": "map",
            "order": 0,
            "icon": "campus.png",
            "buildings": {
              "building1": {
                "order": 0,
                "id": "D1",
                "label": "D1 - 8910 Ridgeline Blvd",
                "floors": {
                  "floor1": {
                    "name": "1<sup>st</sup> Floor",
                    "order": 0,
                    "image": "floor1_map.png",
                    "rooms": {
                      "room1": {
                        "name": "Room 1",
                        "number": "D1-F1-1",
                        "occupancy": "12",
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Conference",
                        "coords": "100,100",
                        "hit_center": "80,80"
                      },
                      "room2": {
                        "name": "Room 2",
                        "number": "D1-F1-2",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Hotel",
                        "coords": "150,100",
                        "hit_center": "130,80"
                      },
                      "room3": {
                        "name": "Room 3",
                        "number": "D1-F1-3",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Huddle",
                        "coords": "200,150",
                        "hit_center": "180,130"
                      }
                    }
                  },
                  "floor2": {
                    "name": "2<sup>nd</sup> Floor",
                    "order": 1,
                    "image": "floor2_map.png",
                    "rooms": {
                      "room1": {
                        "name": "Room 1",
                        "number": "D1-F2-1",
                        "occupancy": "12",
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Conference",
                        "coords": "100,100",
                        "hit_center": "80,80"
                      },
                      "room2": {
                        "name": "Room 2",
                        "number": "D1-F2-2",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Hotel",
                        "coords": "150,100",
                        "hit_center": "130,80"
                      },
                      "room3": {
                        "name": "Room 3",
                        "number": "D1-F2-3",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Huddle",
                        "coords": "200,150",
                        "hit_center": "180,130"
                      }
                    }
                  },
                  "floor3": {
                    "name": "3<sup>rd</sup> Floor",
                    "order": 2,
                    "image": "floor3_map.png",
                    "rooms": {
                      "room 1": {
                        "name": "Room 1",
                        "number": "D1-F3-1",
                        "occupancy": "12",
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Conference",
                        "coords": "100,100",
                        "hit_center": "80,80"
                      },
                      "room2": {
                        "name": "Room 2",
                        "number": "D1-F3-2",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Hotel",
                        "coords": "150,100",
                        "hit_center": "130,80"
                      },
                      "room3": {
                        "name": "Room 3",
                        "number": "D1-F3-3",
                        "occupancy": 10,
                        "av": "Projector",
                        "phoneNumber": "xxx-xxx-xxxx",
                        "type": "Huddle",
                        "coords": "200,150",
                        "hit_center": "180,130"
                      }
                    }
                  }
                }
              }
            }
          }
        ],
        "settings": {
          "building": "D1",
          "floor": 4,
          "timeout": "120 (in seconds)",
          "cssOverride": "custom.css",
          "kiosk_coords": "200,200"
        }
      }

你应该尝试通过控制器返回你的"视图"作为部分。这样它们都可以使用相同的作用域。否则,你需要在每个视图中调用应用/控制器,以便访问范围内相同的json数据。

听起来像一个服务的完美使用

//添加jsonService注入到控制器

wfApp.controller('myController', ['$scope', '$http', 'jsonService', function($scope, $http, jsonService) {
       // You can use jsonService.getJson() to get the file from anywhere the service is injected.
        jsonService.getJson().success(function(data) {
            $scope.modules = data.modules;
        });
      // Now your JSON is loaded (after promise resolves) and it can be used anywhere in the controller scope.
}]);

//服务获取JSON文件在应用程序的任何地方使用

wfApp.service("jsonService", ["$http", function($http) {
  return {
    getJson: function() {
      return $http.get('document.json');
    }
}
}]);

该服务也可以在$routeProvider中调用,在视图被处理之前使用解析加载JSON。如果您需要在页面加载时立即为控制器方法或数据绑定提供数据,这可能是理想的解决方案。