当我列出$cacheFactory对象时,它有几个方法,但我没有看到实际的键/值缓存.
假设您正在查看$http缓存,$cacheFactory($http)如何获取当前缓存的密钥列表或理想情况下的密钥和值？
解决方法
使用$cacheFactory的装饰器添加getKeys方法：
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="decorateExample">
<script>
function cacheProvider($provide)
{
// monkey-patches $templateCache to have a keys() method
$provide.decorator('$templateCache',['$delegate',cacheDelegator]);
}
function cacheDelegator($delegate)
{
var keys = [],origPut = $delegate.put;
$delegate.put = function(key,value)
{
origPut(key,value);
keys.push(key);
};
// we would need cache.peek() to get all keys from $templateCache,but this features was never
// integrated into Angular: https://github.com/angular/angular.js/pull/3760
// please note: this is not feature complete,removing templates is NOT considered
$delegate.getKeys = function()
{
return keys;
};
return $delegate;
}
angular.module('decorateExample',[]);
angular.module('decorateExample').config(['$provide',cacheProvider]);
</script>
</body>
参考
> AngularJS Issue #3760: Update cacheFactory.js: Added peek() for returning all keys
> Decorate Core Directives in Angular
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