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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
personnages

AngularJS: API: ng/directive/input

input

  1. - directive in module ng

Angular數(shù)據(jù)綁定HTML輸入元素控制。輸入控制跟隨HTML5的輸入類型，并為舊的瀏覽器模擬(polyfills)HTML5驗(yàn)證行為。

指令信息

  • 這個(gè)指令執(zhí)行優(yōu)先級(jí)為0.

用法

  • 作為元素使用: 
    <input
  ng-model=""
  [name=""]
  [required=""]
  [ng-required=""]
  [ng-minlength=""]
  [ng-maxlength=""]
  [ng-pattern=""]
  [ng-change=""]>
...
</input>

參數(shù)

參數(shù) 類型 詳述
ngModel string

聲明用于數(shù)據(jù)綁定的Angular表達(dá)式。
name
(可選)
 string

發(fā)布到表單下的控件的屬性名稱。
required
(可選)
 string

如果未輸入值就設(shè)置 required 驗(yàn)證錯(cuò)誤鍵。
ngRequired
(可選)
 boolean

如果值為true則置為 required 屬性
ngMinlength
(可選)
 number

如果值短于minlength則設(shè)置 minlength 驗(yàn)證錯(cuò)誤鍵。
ngMaxlength
(可選)
 number

如果值長(zhǎng)于maxlength則設(shè)置 maxlength 驗(yàn)證錯(cuò)誤鍵。
ngPattern
(可選)
 string

如果值不匹配正則表達(dá)式則設(shè)置 pattern 驗(yàn)證錯(cuò)誤鍵。 值可以是 /regexp/ 形式的內(nèi)嵌正則表達(dá)式，或者是用 regexp 定義在scope中的表達(dá)式。
ngChange
(可選)
 string

Angular表達(dá)式，當(dāng)輸入元素通過用戶交互方式發(fā)生輸入變化時(shí)會(huì)執(zhí)行這個(gè)表達(dá)式。

示例

index.html 
<script>
   angular.module('inputExample', [])
     .controller('ExampleController', ['$scope', Function($scope) {
       $scope.user = {name: 'guest', last: 'visitor'};
     }]);
</script>
<div ng-controller="ExampleController">
  <form name="myForm">
    User name: <input Type="text" name="userName" ng-model="user.name" required>
    <span class="error" ng-show="myForm.userName.$error.required">
      Required!</span><br>
    Last name: <input Type="text" name="lastName" ng-model="user.last"
      ng-minlength="3" ng-maxlength="10">
    <span class="error" ng-show="myForm.lastName.$error.minlength">
      Too short!</span>
    <span class="error" ng-show="myForm.lastName.$error.maxlength">
      Too long!</span><br>
  </form>
  <hr>
  <tt>user = {{user}}</tt><br/>
  <tt>myForm.userName.$valid = {{myForm.userName.$valid}}</tt><br>
  <tt>myForm.userName.$error = {{myForm.userName.$error}}</tt><br>
  <tt>myForm.lastName.$valid = {{myForm.lastName.$valid}}</tt><br>
  <tt>myForm.lastName.$error = {{myForm.lastName.$error}}</tt><br>
  <tt>myForm.$valid = {{myForm.$valid}}</tt><br>
  <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br>
  <tt>myForm.$error.minlength = {{!!myForm.$error.minlength}}</tt><br>
  <tt>myForm.$error.maxlength = {{!!myForm.$error.maxlength}}</tt><br>
</div>
protractor.js 
var user = element(by.binding('{{user}}'));
var userNameValid = element(by.binding('myForm.userName.$valid'));
var lastNameValid = element(by.binding('myForm.lastName.$valid'));
var lastNameError = element(by.binding('myForm.lastName.$error'));
var formValid = element(by.binding('myForm.$valid'));
var userNameInput = element(by.model('user.name'));
var userLastInput = element(by.model('user.last'));

it('should initialize to model', Function() {
  expect(user.getText()).toContain('{"name":"guest","last":"visitor"}');
  expect(userNameValid.getText()).toContain('true');
  expect(formValid.getText()).toContain('true');});

it('should be invalid if empty when required', Function() {
  userNameInput.clear();
  userNameInput.sendKeys('');

  expect(user.getText()).toContain('{"last":"visitor"}');
  expect(userNameValid.getText()).toContain('false');
  expect(formValid.getText()).toContain('false');});

it('should be valid if empty when min length is set', Function() {
  userLastInput.clear();
  userLastInput.sendKeys('');

  expect(user.getText()).toContain('{"name":"guest","last":""}');
  expect(lastNameValid.getText()).toContain('true');
  expect(formValid.getText()).toContain('true');});

it('should be invalid if less than required min length', Function() {
  userLastInput.clear();
  userLastInput.sendKeys('xx');

  expect(user.getText()).toContain('{"name":"guest"}');
  expect(lastNameValid.getText()).toContain('false');
  expect(lastNameError.getText()).toContain('minlength');
  expect(formValid.getText()).toContain('false');});

it('should be invalid if longer than max length', Function() {
  userLastInput.clear();
  userLastInput.sendKeys('some ridiculously long name');

  expect(user.getText()).toContain('{"name":"guest"}');
  expect(lastNameValid.getText()).toContain('false');
  expect(lastNameError.getText()).toContain('maxlength');
  expect(formValid.getText()).toContain('false');});

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