<div class="error" ng-show="signup_form.name.$dirty && signup_form.name.$invalid && !signup_form.name.$focused"> 我希望这篇文章可以告诉你如何很酷炫的使用AngularJS来进行验证。 原文:Form validation with AngularJS(en) 注:原文有一些demo可供测试,若有需要请查看原文。 原文地址:https://www....
varapp=angular.module('validationExample',[]);app.directive('ensureUnique',['$http',function($http){return{require:'ngModel',link:function(scope,ele,attrs,c){scope.$watch(attrs.ngModel,function(){$http({method:'POST',url:'/api/check/'+attrs.ensureUnique,data:{'field':attrs.ensureUnique...
after the angular script tag, if you used bower install it will be<script src="bower_components/angular-ui-form-validation/dist/angular-ui-form-validation.js"></script>with npm install it will be<script src="node_modules/angular-ui-form-validation/dist/angular-ui-form-validation.js"></...
Initially, this variable will befalse, and on invocation of thesaveUser()method, it becomestrue. If we don’t want validation messages to show before the user submits the form, we can use thesubmittedvariable to prevent this. 4.3. Form Using AngularJS Validation In order to make use of ...
'signupForm' is a formGroup. we can use 'hasError' & 'get()' methods to write the code. Refer to:Article&&Doc 分类:Angular 好文要顶关注我收藏该文微信分享 Zhentiw 粉丝-41关注 -0 +加关注 0 0 升级成为会员 «上一篇:[Angular2 Form] Check password match ...
The Angular-Validation will create, by itself, the necessary error message. Now imagine your form having 10 inputs, using the documented Angular way will end up being 30 lines of code, while on the other handAngular-Validationwill stay with 10 lines of code, no more... so what are you...
<divclass="form-field"><label>Confirm Password:</label><inputtype="text"formControlName="confirm"[(ngModel)]="signup.confirm"name="confrim"><div*ngIf="!signupForm.valid"><span*ngIf="signupForm.get('confirm').hasError('confirmPassword') && signupForm.get('confirm').touched">{{sign...
Forms in AngularJS provides data-binding and validation of input controls. Input Controls Input controls are the HTML input elements: input elements select elements button elements textarea elements Data-Binding Input controls provides data-binding by using theng-modeldirective. ...
styleUrls: ['./message.component.css'] }) exportclassMessageComponent implements OnInit { message="Hello"; constructor() { } ngOnInit() { } onSubmit(formValue){ console.log("formValue", JSON.stringify(formValue,null,2)) } } 1.
问Angular form.statusChanges不支持dynamic form + asyncValidationEN当用户没有输入任何东西并单击submit...