AngularJs動態載入模組和依賴注入詳解_AngularJS

來源:互聯網
上載者:User

廢話不多說,進入正題...

首先我們看下檔案結構:

Angular-ocLazyLoad           --- demo檔案夾  Scripts               --- 架構及外掛程式檔案夾    angular-1.4.7          --- angular 不解釋    angular-ui-router        --- uirouter 不解釋    oclazyload           --- ocLazyload 不解釋    bootstrap            --- bootstrap 不解釋    angular-tree-control-master   --- angular-tree-control-master 不解釋    ng-table            --- ng-table 不解釋    angular-bootstrap        --- angular-bootstrap 不解釋  js                 --- js檔案夾 針對demo寫的js檔案    controllers           --- 頁面控制器檔案夾      angular-tree-control.js   --- angular-tree-control控制器代碼      default.js         --- default控制器代碼      ng-table.js         --- ng-table控制器代碼    app.config.js          --- 模組註冊及配置代碼    oclazyload.config.js      --- 載入模組配置代碼    route.config.js         --- 路由配置及載入代碼  views                --- html分頁檔夾    angular-tree-control.html    --- angular-tree-control外掛程式的效果頁面    default.html          --- default頁面    ng-table.html          --- ng-table外掛程式效果頁面    ui-bootstrap.html        --- uibootstrap外掛程式效果頁面  index.html             --- 首頁面

注意:這個demo沒做嵌套路由,只是簡單實現單視圖的路由以展示效果。

我們來看首頁面的代碼:

<html><head>  <meta charset="utf-8" />  <title></title>  <link rel="stylesheet" href="Scripts/bootstrap/dist/css/bootstrap.min.css" />  <script src="Scripts/angular-1.4.7/angular.js"></script>  <script src="Scripts/angular-ui-router/release/angular-ui-router.min.js"></script>  <script src="Scripts/oclazyload/dist/ocLazyLoad.min.js"></script>  <script src="js/app.config.js"></script>  <script src="js/oclazyload.config.js"></script>  <script src="js/route.config.js"></script></head><body><div ng-app="templateApp">  <div>    <a href="#/default">首頁</a>    <a href="#/uibootstrap" >ui-bootstrap</a>    <a href="#/ngtable">ng-table</a>    <a href="#/ngtree">angular-tree-control</a>  </div>  <div ui-view></div></div></body></html>

在這個頁面,我們只載入了bootstrap的css、angular的js、ui-router的js、ocLazyLoad的js,以及3個配置的js檔案。
再看看四個頁面的html代碼:

angular-tree-control效果頁面

<treecontrol tree-model="ngtree.treeData" class="tree-classic ng-cloak" options="ngtree.treeOptions">  {{node.title}}</treecontrol>

頁面上有個使用該外掛程式對應的指令。

default頁面

<div class="ng-cloak">  {{default.value}}</div>

這裡我們只是用來證明載入並正確執行default.js。

ng-table效果頁面

<div class="ng-cloak">  <div class="p-h-md p-v bg-white box-shadow pos-rlt">    <h3 class="no-margin">ng-table</h3>  </div>  <button ng-click="ngtable.tableParams.sorting({})" class="btn btn-default pull-right">Clear sorting</button>  <p>    <strong>Sorting:</strong> {{ngtable.tableParams.sorting()|json}}  </p>  <table ng-table="ngtable.tableParams" class="table table-bordered table-striped">    <tr ng-repeat="user in $data">      <td data-title="'Name'" sortable="'name'">        {{user.name}}      </td>      <td data-title="'Age'" sortable="'age'">        {{user.age}}      </td>    </tr>  </table></div>

這裡寫了些簡單的ng-table效果。

ui-bootstrap效果頁面

<span uib-dropdown class="ng-cloak">  <a href id="simple-dropdown" uib-dropdown-toggle>    下拉框觸發  </a>  <ul class="uib-dropdown-menu dropdown-menu" aria-labelledby="simple-dropdown">    下拉框內容.這裡寫個效果證明實現動態載入即可  </ul></span>

這裡僅寫了個下拉框效果,證明正確載入並使用該外掛程式。
好了,看完了html,我們看下載入配置和路由配置:

"use strict"var tempApp = angular.module("templateApp",["ui.router","oc.lazyLoad"]).config(["$provide","$compileProvider","$controllerProvider","$filterProvider",        function($provide,$compileProvider,$controllerProvider,$filterProvider){          tempApp.controller = $controllerProvider.register;          tempApp.directive = $compileProvider.register;          tempApp.filter = $filterProvider.register;          tempApp.factory = $provide.factory;          tempApp.service =$provide.service;          tempApp.constant = $provide.constant;        }]);

以上代碼對模組的註冊,僅僅依賴了ui.router和oc.LazyLoad。配置也只是簡單配置了模組,以便在後面的js能識別到tempApp上的方法。
然後我們再看看ocLazyLoad載入模組的配置:

"use strict"tempApp.constant("Modules_Config",[  {    name:"ngTable",    module:true,    files:[      "Scripts/ng-table/dist/ng-table.min.css",      "Scripts/ng-table/dist/ng-table.min.js"    ]  },  {    name:"ui.bootstrap",    module:true,    files:[      "Scripts/angular-bootstrap/ui-bootstrap-tpls-0.14.3.min.js"    ]  },  {    name:"treeControl",    module:true,    files:[      "Scripts/angular-tree-control-master/css/tree-control.css",      "Scripts/angular-tree-control-master/css/tree-control-attribute.css",      "Scripts/angular-tree-control-master/angular-tree-control.js"    ]  }]).config(["$ocLazyLoadProvider","Modules_Config",routeFn]);function routeFn($ocLazyLoadProvider,Modules_Config){  $ocLazyLoadProvider.config({    debug:false,    events:false,    modules:Modules_Config  });};

路由的配置:

"use strict"tempApp.config(["$stateProvider","$urlRouterProvider","$locationProvider",routeFn]);function routeFn($stateProvider,$urlRouterProvider,$locationProvider){  $urlRouterProvider.otherwise("/default");  $stateProvider  .state("default",{    url:"/default",    views:{      "":{        templateUrl:"views/default.html",        controller:"defaultCtrl",        controllerAs:"default"      }    },    resolve:{      deps:["$ocLazyLoad",function($ocLazyLoad){        return $ocLazyLoad.load("js/controllers/default.js");      }]    }  })  .state("uibootstrap",{    url:"/uibootstrap",    views:{      "":{        templateUrl:"views/ui-bootstrap.html"      }    },    resolve:{      deps:["$ocLazyLoad",function($ocLazyLoad){        return $ocLazyLoad.load("ui.bootstrap");      }]    }  })  .state("ngtable",{    url:"/ngtable",    views:{      "":{        templateUrl:"views/ng-table.html",        controller:"ngTableCtrl",        controllerAs:"ngtable"      }    },    resolve:{      deps:["$ocLazyLoad",function($ocLazyLoad){        return $ocLazyLoad.load("ngTable").then(          function(){            return $ocLazyLoad.load("js/controllers/ng-table.js");          }        );      }]    }  })  .state("ngtree",{    url:"/ngtree",    views:{      "":{        templateUrl:"views/angular-tree-control.html",        controller:"ngTreeCtrl",        controllerAs:"ngtree"      }    },    resolve:{      deps:["$ocLazyLoad",function($ocLazyLoad){        return $ocLazyLoad.load("treeControl").then(          function(){            return $ocLazyLoad.load("js/controllers/angular-tree-control.js");          }        );      }]    }  })};

ui-bootstrap的下拉框簡單的實現不需要控制器,那麼我們就只看看ng-table和angular-tree-control的控制器js吧:

ng-table.js

(function(){"use strict"tempApp.controller("ngTableCtrl",["$location","NgTableParams","$filter",ngTableCtrlFn]);function ngTableCtrlFn($location,NgTableParams,$filter){  var vm = this;  //資料  var data = [{ name: "Moroni", age: 50 },         { name: "Tiancum ", age: 43 },         { name: "Jacob", age: 27 },         { name: "Nephi", age: 29 },         { name: "Enos", age: 34 },         { name: "Tiancum", age: 43 },         { name: "Jacob", age: 27 },         { name: "Nephi", age: 29 },         { name: "Enos", age: 34 },         { name: "Tiancum", age: 43 },         { name: "Jacob", age: 27 },         { name: "Nephi", age: 29 },         { name: "Enos", age: 34 },         { name: "Tiancum", age: 43 },         { name: "Jacob", age: 27 },         { name: "Nephi", age: 29 },         { name: "Enos", age: 34 }];  vm.tableParams = new NgTableParams(  // 合并預設的配置和url參數    angular.extend({      page: 1,      // 第一頁      count: 10,     // 每頁的資料量      sorting: {        name: 'asc'   // 預設排序      }    },    $location.search())    ,{      total: data.length, // 資料總數      getData: function ($defer, params) {        $location.search(params.url()); // 將參數放到url上,實現重新整理頁面不會跳回第一頁和預設配置        var orderedData = params.sorting ?            $filter('orderBy')(data, params.orderBy()) :data;        $defer.resolve(orderedData.slice((params.page() - 1) * params.count(), params.page() * params.count()));      }    }  );};})();

angular-tree-control.js

(function(){"use strict"tempApp.controller("ngTreeCtrl",ngTreeCtrlFn);function ngTreeCtrlFn(){  var vm = this;  //樹資料  vm.treeData = [        {          id:"1",          title:"標籤1",          childList:[            {              id:"1-1",              title:"子級1",              childList:[                {                  id:"1-1-1",                  title:"再子級1",                  childList:[]                }              ]            },            {              id:"1-2",              title:"子級2",              childList:[                {                  id:"1-2-1",                  title:"再子級2",                  childList:[                    {                      id:"1-2-1-1",                      title:"再再子級1",                      childList:[]                    }                  ]                }              ]            },            {              id:"1-3",              title:"子級3",              childList:[]            }          ]        },        {          id:"2",          title:"標籤2",          childList:[            {              id:"2-1",              title:"子級1",              childList:[]            },            {              id:"2-2",              title:"子級2",              childList:[]            },            {              id:"2-3",              title:"子級3",              childList:[]            }          ]}        ,        {          id:"3",          title:"標籤3",          childList:[            {              id:"3-1",              title:"子級1",              childList:[]            },            {              id:"3-2",              title:"子級2",              childList:[]            },            {              id:"3-3",              title:"子級3",              childList:[]            }          ]        }      ];  //樹配置  vm.treeOptions = {   nodeChildren:"childList",    dirSelectable:false  };};})();

讓我們忽略default.js吧,畢竟裡面只有個"Hello Wrold"。

以上就是本文的全部內容,希望對大家的學習有所協助。

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