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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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AngularJS: API: ng/directive/ngCsp

ngCsp

  1. - directive in module ng

激活CSP (Content Security Policy，上下文安全策略) 支持。

這是開發(fā)像Google Chrome Extensions等東西時(shí)所必須的。

CSP禁止應(yīng)用使用 eval 或 Function(string) 生成的函數(shù) (以及其它東西)。讓 Angular兼容CSP我們只要做兩件不同的事：

  • 不要使用Function構(gòu)造來(lái)生成優(yōu)化的值獲取(value getters)
  • 不要注入定制的樣式表到文檔

AngularJS 使用 Function(string) 生成函數(shù)來(lái)優(yōu)化速度。使用 ngCsp 指令會(huì)引起Angular使用CSP兼容模式。 當(dāng)AngularJS處于這個(gè)模式時(shí)，計(jì)算所有表達(dá)式的速度會(huì)比非CSP模式慢30%，但是不會(huì)發(fā)生安全違規(guī)行為。

CSP禁止JavaScript內(nèi)聯(lián)樣式表規(guī)則。在非CSP模式，Angular自動(dòng)包含一些CSS規(guī)則(例如ngCloak)。為了使這些指令能在CSP模式下工作，請(qǐng)手工包含angular-csp.css。

Angular嘗試自動(dòng)檢測(cè)CSP是否激活來(lái)自動(dòng)打開CSP安全模式。這個(gè)自動(dòng)檢測(cè)會(huì)引發(fā)一個(gè)CSP錯(cuò)誤并輸出到控制臺(tái)：

Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of
script in the following Content Security Policy directive: "default-src 'self'". Note that
'script-src' was not explicitly set, so 'default-src' is used as a fallback.

這個(gè)錯(cuò)誤是無(wú)害的，但很討厭。為了防止錯(cuò)誤顯示，放置ngCsp指令到應(yīng)用的根元素上，或放在angular.js 腳本標(biāo)簽中，不管哪種方式，必須是在html文檔中最先出現(xiàn)。

注意：這個(gè)指令只會(huì)在ng-csp 和 data-ng-csp 屬性表單中生效。

指令信息

  • 這個(gè)指令執(zhí)行優(yōu)先級(jí)為0.

用法

  • 作為屬性使用: 
    <html>
...
</html>

示例

這個(gè)例子演示如何放置 ngCsp指令到 html標(biāo)簽上。

     <!doctype html>
     <html ng-app ng-csp>
     ...
     ...
     </html>

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