• [AngularJS] Provider


    This lesson describes what is really happening when you use the angular
    factory and how you can make your factories even more dynamic in creation.
    This gets further into the internals of AngularJS by showing you how a factory is built dynamically for you and how they have reduced the plumbing you need to make applications.

    Factory

    <!DOCTYPE html>
    <html>
    <head lang="en">
      <meta charset="utf-8">
      <title>Egghead Videos</title>
      <link rel="stylesheet" href="vendor/foundation/foundation.min.css">
    </head>
    <body>
    
      <div ng-app="app" ng-controller="AppCtrl">
        <h1 class="panel">{{title}}</h1>
      </div>
    
      <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js"></script>
      <script type="text/javascript" src="app/js/main.js"></script>
    </body>
    </html>
    var app = angular.module("app", []);
    
    app.factory("game", function() {
        return {
            title: "StarCraft"
        }
    })
    
    app.controller("AppCtrl", function($scope, game) {
        $scope.title = game.title
    });

    "app.factory" is just simply short-hand for using this "provide object":

    /**
     * Created by Answer1215 on 12/27/2014.
     */
    var app = angular.module("app", []);
    
    app.config(function($provide) {
        $provide.factory("game", function() {
            return{
                title: "StarCraft"
            }
        })
    })
    
    app.controller("AppCtrl", function($scope, game) {
        $scope.title = game.title
    });

    "Factory" is really just shorthand for the provider which sets up a more generic provider which returns things or objects that have "get" functions:

    /**
     * Created by Answer1215 on 12/27/2014.
     */
    var app = angular.module("app", []);
    
    app.config(function($provide) {
        $provide.provider("game", function() {
            return{
                $get: function() {
                    return{
                        title: "StarCraft"
                    }
                }
            }
        })
    })
    
    app.controller("AppCtrl", function($scope, game) {
        $scope.title = game.title
    });

    If you want to set up something like game provider and set the type of game:

    /**
     * Created by Answer1215 on 12/27/2014.
     */
    var app = angular.module("app", []);
    
    app.provider("game", function() {
    
        var type;
        return{
            setType: function(title) {
                type = title;
            },
            $get: function() {
                return{
                    title: type + "Craft"
                }
            }
        }
    })
    
    app.config(function(gameProvider) {
        gameProvider.setType("War");
    })
    
    app.controller("AppCtrl", function($scope, game) {
        $scope.title = game.title
    });

  • 相关阅读:
    【.NET】VS2013创建Windows服务与调试服务
    【JS】处理数据四舍五入(tofixed与round的区别详解)
    【微信小程序】 基础语义笔记2:基本组件、获取节点信息
    面向对象和面向过程的优点和缺点
    【微信小程序】 基础语义笔记1:配置、页面文件、组件。
    【微信小程序】 wxParse组件
    zookeeper 碎片知识点
    zookeeper 基本概念
    RocketMQ 知识点
    单例模式---双层检验锁+volatile
  • 原文地址:https://www.cnblogs.com/Answer1215/p/4189424.html
Copyright © 2020-2023  润新知