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AngularJS API Reference auto auto/service auto/service/$injector auto/service/$provide ng ng/directive ng/directive/a ng/directive/form ng/directive/input ng/directive/input[checkbox] ng/directive/input[date] ng/directive/input[dateTimeLocal] ng/directive/input[email] ng/directive/input[month] ng/directive/input[number] ng/directive/input[radio] ng/directive/input[text] ng/directive/input[time] ng/directive/input[url] ng/directive/input[week] ng/directive/ngApp ng/directive/ngBind ng/directive/ngBindHtml ng/directive/ngBindTemplate ng/directive/ngBlur ng/directive/ngChange ng/directive/ngChecked ng/directive/ngClass ng/directive/ngClassEven ng/directive/ngClassOdd ng/directive/ngClick ng/directive/ngCloak ng/directive/ngController ng/directive/ngCopy ng/directive/ngCsp ng/directive/ngCut ng/directive/ngDblclick ng/directive/ngDisabled ng/directive/ngFocus ng/directive/ngForm ng/directive/ngHide ng/directive/ngHref ng/directive/ngIf ng/directive/ngInclude ng/directive/ngInit ng/directive/ngKeydown ng/directive/ngKeypress ng/directive/ngKeyup ng/directive/ngList ng/directive/ngModel ng/directive/ngModelOptions ng/directive/ngMousedown ng/directive/ngMouseenter ng/directive/ngMouseleave ng/directive/ngMousemove ng/directive/ngMouseover ng/directive/ngMouseup ng/directive/ngNonBindable ng/directive/ngOpen ng/directive/ngPaste ng/directive/ngPluralize ng/directive/ngReadonly ng/directive/ngRepeat ng/directive/ngSelected ng/directive/ngShow ng/directive/ngSrc ng/directive/ngSrcset ng/directive/ngStyle ng/directive/ngSubmit ng/directive/ngSwitch ng/directive/ngTransclude ng/directive/ngValue ng/directive/script ng/directive/select ng/directive/textarea ng/filter ng/filter/currency ng/filter/date ng/filter/filter ng/filter/json ng/filter/limitTo ng/filter/lowercase ng/filter/number ng/filter/orderBy ng/filter/uppercase ng/function ng/function/angular.bind ng/function/angular.bootstrap ng/function/angular.copy ng/function/angular.element ng/function/angular.equals ng/function/angular.extend ng/function/angular.forEach ng/function/angular.fromJson ng/function/angular.identity ng/function/angular.injector ng/function/angular.isArray ng/function/angular.isDate ng/function/angular.isDefined ng/function/angular.isElement ng/function/angular.isFunction ng/function/angular.isNumber ng/function/angular.isObject ng/function/angular.isString ng/function/angular.isUndefined ng/function/angular.lowercase ng/function/angular.module ng/function/angular.noop ng/function/angular.toJson ng/function/angular.uppercase ng/object ng/object/angular.version ng/provider ng/provider/$animateProvider ng/provider/$compileProvider ng/provider/$controllerProvider ng/provider/$filterProvider ng/provider/$httpProvider ng/provider/$interpolateProvider ng/provider/$locationProvider ng/provider/$logProvider ng/provider/$parseProvider ng/provider/$rootScopeProvider ng/provider/$sceDelegateProvider ng/provider/$sceProvider ng/service ng/service/$anchorScroll ng/service/$animate ng/service/$cacheFactory ng/service/$compile ng/service/$controller ng/service/$document ng/service/$exceptionHandler ng/service/$filter ng/service/$http ng/service/$httpBackend ng/service/$interpolate ng/service/$interval ng/service/$locale ng/service/$location ng/service/$log ng/service/$parse ng/service/$q ng/service/$rootElement ng/service/$rootScope ng/service/$sce ng/service/$sceDelegate ng/service/$templateCache ng/service/$timeout ng/service/$window ng/type ng/type/$cacheFactory.Cache ng/type/$compile.directive.Attributes ng/type/$rootScope.Scope ng/type/angular.Module ng/type/form.FormController ng/type/ngModel.NgModelController ngAnimate ngAnimate/provider ngAnimate/provider/$animateProvider ngAnimate/service ngAnimate/service/$animate ngCookies ngCookies/service ngCookies/service/$cookies ngCookies/service/$cookieStore ngMessages ngMessages/directive ngMessages/directive/ngMessage ngMessages/directive/ngMessages ngMock ngMock/function ngMock/function/angular.mock.dump ngMock/function/angular.mock.inject ngMock/function/angular.mock.module ngMock/object ngMock/object/angular.mock ngMock/provider ngMock/provider/$exceptionHandlerProvider ngMock/service ngMock/service/$exceptionHandler ngMock/service/$httpBackend ngMock/service/$interval ngMock/service/$log ngMock/service/$timeout ngMock/type ngMock/type/angular.mock.TzDate ngMockE2E ngMockE2E/service ngMockE2E/service/$httpBackend ngResource ngResource/service ngResource/service/$resource ngRoute ngRoute/directive ngRoute/directive/ngView ngRoute/provider ngRoute/provider/$routeProvider ngRoute/service ngRoute/service/$route ngRoute/service/$routeParams ngSanitize ngSanitize/filter ngSanitize/filter/linky ngSanitize/service ngSanitize/service/$sanitize ngTouch ngTouch/directive ngTouch/directive/ngClick ngTouch/directive/ngSwipeLeft ngTouch/directive/ngSwipeRight ngTouch/service ngTouch/service/$swipe

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テキスト

AngularJS: API: ng/service/$cacheFactory


$cacheFactory

  1. - service in module ng

Factory that constructs Cache objects and gives access to them.


 var cache = $cacheFactory('cacheId');
 expect($cacheFactory.get('cacheId')).toBe(cache);
 expect($cacheFactory.get('noSuchCacheId')).not.toBeDefined();

 cache.put("key", "value");
 cache.put("another key", "another value");

 // We've specified no options on creation
 expect(cache.info()).toEqual({id: 'cacheId', size: 2});

用法

$cacheFactory(cacheId, [options]);

参数

参数 类型 详述
cacheId string

Name or id of the newly created cache.
options
(可选)
 Object

Options object that specifies the cache behavior. Properties:

  • {number=} capacity — turns the cache into LRU cache.

返回值

Object

Newly created cache object with the following set of methods:

  • {Object} info() — Returns id, size, and options of cache.
  • {{*}} put({string} key, {*} value) — Puts a new key-value pair into the cache and returns it.
  • {{*}} get({string} key) — Returns cached value for key or undefined for cache miss.
  • {void} remove({string} key) — Removes a key-value pair from the cache.
  • {void} removeAll() — Removes all cached values.
  • {void} destroy() — Removes references to this cache from $cacheFactory.

方法

  • info();

    Get information about all the caches that have been created

    返回值

    Object
    • key-value map of cacheId to the result of calling cache#info

  • get(cacheId);

    Get access to a cache object by the cacheId used when it was created.

    参数

    参数 类型 详述
    cacheId string

    Name or id of a cache to access.

    返回值

    Object

    Cache object identified by the cacheId or undefined if no such cache.

示例

index.html
<div ng-controller="CacheController">
  <input ng-model="newCacheKey" placeholder="Key">
  <input ng-model="newCacheValue" placeholder="Value">
  <button ng-click="put(newCacheKey, newCacheValue)">Cache</button>

  <p ng-if="keys.length">Cached Values</p>
  <div ng-repeat="key in keys">
    <span ng-bind="key"></span>
    <span>: </span>
    <b ng-bind="cache.get(key)"></b>
  </div>

  <p>Cache Info</p>
  <div ng-repeat="(key, value) in cache.info()">
    <span ng-bind="key"></span>
    <span>: </span>
    <b ng-bind="value"></b>
  </div></div>
script.js
angular.module('cacheExampleApp', []).
  controller('CacheController', ['$scope', '$cacheFactory', Function($scope, $cacheFactory) {
    $scope.keys = [];
    $scope.cache = $cacheFactory('cacheId');
    $scope.put = Function(key, value) {
      $scope.cache.put(key, value);
      $scope.keys.push(key);
    };
  }]);
style.css
p {
  margin: 10px 0 3px;}
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