AngularJs动态加载模块和依赖注入详解
废话不多说,进入正题...
首先我们看下文件结构:
Angular-ocLazyLoad---demo文件夹 Scripts---框架及插件文件夹 angular-1.4.7---angular不解释 angular-ui-router---uirouter不解释 oclazyload---ocLazyload不解释 bootstrap---bootstrap不解释 angular-tree-control-master---angular-tree-control-master不解释 ng-table---ng-table不解释 angular-bootstrap---angular-bootstrap不解释 js---js文件夹针对demo写的js文件 controllers---页面控制器文件夹 angular-tree-control.js---angular-tree-control控制器代码 default.js---default控制器代码 ng-table.js---ng-table控制器代码 app.config.js---模块注册及配置代码 oclazyload.config.js---加载模块配置代码 route.config.js---路由配置及加载代码 views---html页面文件夹 angular-tree-control.html---angular-tree-control插件的效果页面 default.html---default页面 ng-table.html---ng-table插件效果页面 ui-bootstrap.html---uibootstrap插件效果页面 index.html---主页面
注意:这个demo没做嵌套路由,只是简单实现单视图的路由以展示效果。
我们来看主页面的代码:
<html> <head> <metacharset="utf-8"/> <title></title> <linkrel="stylesheet"href="Scripts/bootstrap/dist/css/bootstrap.min.css"/> <scriptsrc="Scripts/angular-1.4.7/angular.js"></script> <scriptsrc="Scripts/angular-ui-router/release/angular-ui-router.min.js"></script> <scriptsrc="Scripts/oclazyload/dist/ocLazyLoad.min.js"></script> <scriptsrc="js/app.config.js"></script> <scriptsrc="js/oclazyload.config.js"></script> <scriptsrc="js/route.config.js"></script> </head> <body> <divng-app="templateApp"> <div> <ahref="#/default">主页</a> <ahref="#/uibootstrap">ui-bootstrap</a> <ahref="#/ngtable">ng-table</a> <ahref="#/ngtree">angular-tree-control</a> </div> <divui-view></div> </div> </body> </html>
在这个页面,我们只加载了bootstrap的css、angular的js、ui-router的js、ocLazyLoad的js,以及3个配置的js文件。
再看看四个页面的html代码:
angular-tree-control效果页面
<treecontroltree-model="ngtree.treeData"class="tree-classicng-cloak"options="ngtree.treeOptions"> {{node.title}} </treecontrol>
页面上有个使用该插件对应的指令。
default页面
<divclass="ng-cloak"> {{default.value}} </div>
这里我们只是用来证明加载并正确执行default.js。
ng-table效果页面
<divclass="ng-cloak"> <divclass="p-h-mdp-vbg-whitebox-shadowpos-rlt"> <h3class="no-margin">ng-table</h3> </div> <buttonng-click="ngtable.tableParams.sorting({})"class="btnbtn-defaultpull-right">Clearsorting</button> <p> <strong>Sorting:</strong>{{ngtable.tableParams.sorting()|json}} </p> <tableng-table="ngtable.tableParams"class="tabletable-borderedtable-striped"> <trng-repeat="userin$data"> <tddata-title="'Name'"sortable="'name'"> {{user.name}} </td> <tddata-title="'Age'"sortable="'age'"> {{user.age}} </td> </tr> </table> </div>
这里写了些简单的ng-table效果。
ui-bootstrap效果页面
<spanuib-dropdownclass="ng-cloak"> <ahrefid="simple-dropdown"uib-dropdown-toggle> 下拉框触发 </a> <ulclass="uib-dropdown-menudropdown-menu"aria-labelledby="simple-dropdown"> 下拉框内容.这里写个效果证明实现动态加载即可 </ul> </span>
这里仅写了个下拉框效果,证明正确加载并使用该插件。
好了,看完了html,我们看下加载配置和路由配置:
"usestrict" vartempApp=angular.module("templateApp",["ui.router","oc.lazyLoad"]) .config(["$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=$provide.constant; }]);
以上代码对模块的注册,仅仅依赖了ui.router和oc.LazyLoad。配置也只是简单配置了模块,以便在后面的js能识别到tempApp上的方法。
然后我们再看看ocLazyLoad加载模块的配置:
"usestrict" tempApp .constant("Modules_Config",[ { name:"ngTable", module:true, files:[ "Scripts/ng-table/dist/ng-table.min.css", "Scripts/ng-table/dist/ng-table.min.js" ] }, { name:"ui.bootstrap", module:true, files:[ "Scripts/angular-bootstrap/ui-bootstrap-tpls-0.14.3.min.js" ] }, { name:"treeControl", module:true, files:[ "Scripts/angular-tree-control-master/css/tree-control.css", "Scripts/angular-tree-control-master/css/tree-control-attribute.css", "Scripts/angular-tree-control-master/angular-tree-control.js" ] } ]) .config(["$ocLazyLoadProvider","Modules_Config",routeFn]); functionrouteFn($ocLazyLoadProvider,Modules_Config){ $ocLazyLoadProvider.config({ debug:false, events:false, modules:Modules_Config }); };
路由的配置:
"usestrict" tempApp.config(["$stateProvider","$urlRouterProvider","$locationProvider",routeFn]); functionrouteFn($stateProvider,$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$ocLazyLoad.load("js/controllers/angular-tree-control.js"); } ); }] } }) };
ui-bootstrap的下拉框简单的实现不需要控制器,那么我们就只看看ng-table和angular-tree-control的控制器js吧:
ng-table.js
(function(){ "usestrict" tempApp .controller("ngTableCtrl",["$location","NgTableParams","$filter",ngTableCtrlFn]); functionngTableCtrlFn($location,NgTableParams,$filter){ varvm=this; //数据 vardata=[{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=newNgTableParams(//合并默认的配置和url参数 angular.extend({ page:1,//第一页 count:10,//每页的数据量 sorting:{ name:'asc'//默认排序 } }, $location.search()) ,{ total:data.length,//数据总数 getData:function($defer,params){ $location.search(params.url());//将参数放到url上,实现刷新页面不会跳回第一页和默认配置 varorderedData=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(){ "usestrict" tempApp .controller("ngTreeCtrl",ngTreeCtrlFn); functionngTreeCtrlFn(){ varvm=this; //树数据 vm.treeData=[ { id:"1", title:"标签1", childList:[ { id:"1-1", title:"子级1", childList:[ { id:"1-1-1", title:"再子级1", childList:[] } ] }, { id:"1-2", title:"子级2", childList:[ { id:"1-2-1", title:"再子级2", childList:[ { id:"1-2-1-1", title:"再再子级1", childList:[] } ] } ] }, { id:"1-3", title:"子级3", childList:[] } ] }, { id:"2", title:"标签2", childList:[ { id:"2-1", title:"子级1", childList:[] }, { id:"2-2", title:"子级2", childList:[] }, { id:"2-3", title:"子级3", childList:[] } ]} , { id:"3", title:"标签3", childList:[ { id:"3-1", title:"子级1", childList:[] }, { id:"3-2", title:"子级2", childList:[] }, { id:"3-3", title:"子级3", childList:[] } ] } ]; //树配置 vm.treeOptions={ nodeChildren:"childList", dirSelectable:false }; }; })();
让我们忽略default.js吧,毕竟里面只有个"HelloWrold"。
以上就是本文的全部内容,希望对大家的学习有所帮助。