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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/directive/input[number]

input[number]

  1. - input in module ng

数字格式的文本输入验证和转换。如果验证结果不是数字，则设置 number验证错误键。

指令信息

  • 这个指令执行优先级为0.

用法

<input Type="number"
       ng-model=""
       [name=""]
       [min=""]
       [max=""]
       [required=""]
       [ng-required=""]
       [ng-minlength=""]
       [ng-maxlength=""]
       [ng-pattern=""]
       [ng-change=""]>

参数

参数 类型 详述
ngModel string

声明用于数据绑定的Angular表达式。
name
(可选)
 string

发布到表单下的控件的属性名称。
min
(可选)
 string

当输入的值小于min时，设置min 验证错误键。
max
(可选)
 string

当输入的值大于max时，设置max验证错误键。
required
(可选)
 string

如果未输入值就设置 required 验证错误键。
ngRequired
(可选)
 string

当ngRequired表达式等于true时，添加required属性和required验证约束到元素上。 使用ngRequired替换required，当你想数据绑定到required属性上时。
ngMinlength
(可选)
 number

如果值短于minlength则设置 minlength 验证错误键。
ngMaxlength
(可选)
 number

如果值长于maxlength则设置 maxlength 验证错误键。
ngPattern
(可选)
 string

如果值不匹配正则表达式则设置 pattern 验证错误键。 值可以是 /regexp/ 形式的内嵌正则表达式，或者是用 regexp 定义在scope中的表达式。
ngChange
(可选)
 string

Angular表达式，当输入元素通过用户交互方式发生输入变化时会执行这个表达式。

示例

index.html 
<script>
  angular.module('numberExample', [])
    .controller('ExampleController', ['$scope', Function($scope) {
      $scope.value = 12;
    }]);
</script>
<form name="myForm" ng-controller="ExampleController">
  Number: <input Type="number" name="input" ng-model="value"
                 min="0" max="99" required>
  <span class="error" ng-show="myForm.input.$error.required">
    Required!</span>
  <span class="error" ng-show="myForm.input.$error.number">
    Not valid number!</span>
  <tt>value = {{value}}</tt><br/>
  <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>
  <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>
  <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>
  <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>
 </form>
protractor.js 
var value = element(by.binding('value'));
var valid = element(by.binding('myForm.input.$valid'));
var input = element(by.model('value'));

it('should initialize to model', Function() {
  expect(value.getText()).toContain('12');
  expect(valid.getText()).toContain('true');});

it('should be invalid if empty', Function() {
  input.clear();
  input.sendKeys('');
  expect(value.getText()).toEqual('value =');
  expect(valid.getText()).toContain('false');});

it('should be invalid if over max', Function() {
  input.clear();
  input.sendKeys('123');
  expect(value.getText()).toEqual('value =');
  expect(valid.getText()).toContain('false');});
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