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  • [AngularJS] $http cache

    By default your HTTP requests with the $https service in Angular are not cached. By setting some options, you can turn caching on.

    /**
     * Created by Answer1215 on 12/15/2014.
     */
    
    
    angular.module('app', ['ngMaterial'])
        .controller('MainCtrl', function(BookmarksService, BookmarksCacheFactory) {
            var mainCtrl = this;
            mainCtrl.bookmarks = [];
    
            mainCtrl.getBookmarks = function() {
                BookmarksService.getBookmarks().then(function(response) {
                    mainCtrl.bookmarks = response.data;
                });
            }
    
            mainCtrl.removeCache = function() {
                BookmarksCacheFactory.remove('./data/bookmarks.json');
            }
        })
    
    
        .service('BookmarksService', function($http, BookmarksCacheFactory) {
            var BookmarksService = {};
    
            BookmarksService.getBookmarks = function() {
                return $http.get('./data/bookmarks.json', {cache: BookmarksCacheFactory});
            }
    
            return BookmarksService;
        })
    
    
        .factory('BookmarksCacheFactory', function($cacheFactory) {
            return $cacheFactory('bookmarks');
        });
    <!DOCTYPE html>
    <html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <link rel="stylesheet" href="//rawgit.com/angular/bower-material/master/angular-material.css">
        <link rel="stylesheet" href="./bower_components/angular-material/themes/indigo-theme.css">
        <link rel="stylesheet" href="./bower_components/angular-material/themes/teal-theme.css">
    </head>
    <body ng-app="app" ng-controller="MainCtrl as main" >
        <md-content>
            <section  layout="column" layout-align="start start">
                <div ng-repeat="b in main.bookmarks">{{b.title}}</div>
            </section>
        </md-content>
        <md-button ng-click="main.getBookmarks()" class="md-primary md-raised" md-theme="indigo">Load Bookmarks</md-button>
        <md-button ng-click="main.removeCache()" class="md-primary md-raised" md-theme="teal">Clear cache</md-button>
        <!-- Angular Material Dependencies -->
        <script src="//cdn.jsdelivr.net/hammerjs/2.0.4/hammer.js"></script>
        <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.6/angular.js"></script>
        <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.6/angular-animate.js"></script>
        <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.6/angular-aria.js"></script>
    
        <!-- Angular Material Javascript using RawGit to load directly from `bower-material/master` -->
        <script src="//rawgit.com/angular/bower-material/master/angular-material.js"></script>
        <script src="app.js"></script>
    </body>
    </html>

    "Load bookmarks" only work for the first time clicking the button and load the data.

    After click "clear cache", then will load data again.

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  • 原文地址:https://www.cnblogs.com/Answer1215/p/4166163.html
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