目前Angular 支持的内建 validators 如下: required - 设置表单控件值是非空的 email - 设置表单控件值的格式是 email min - 设置表单控件值的最小值 max...如何获取表单提交的值?在 Angular 中,我们可以通过 #loginForm="ngForm" 方式获取...
ngOnInit() {this.form = Question.toFormGroup(this.questions); } onSubmit() {this.payload =JSON.stringify(this.form.value); } } 同样,方法是非常简单明了。QuestionnaireComponent 将问题数组作为其输入,并使用 FormGroup 到窗体模板中生成匹配。图 3演示了这一点。 图3 准备来生成与...
这意味着表单值的数据结构将如下所示：
当用户键入 AddressFormComponent 的输入字段时,Angular 会更新 AppComponent 中的 AddressForm。此外,isChildAddressFormValid 会存储地址表单的有效值。 当用户点击 AppComponent 中的表单提交按钮时,它会触发 handleSubmit 方法来构建 JSON 有效载荷,并在警报函数中显示有效载荷。 这篇文章到此结束,希望大家喜欢这些内容...
In this case, ngModel is used because it’s an internal Angular directive for form elements. Because all (boundName) does is comb both one-way binding [] and event binding (), you can use this syntax on any element as long as it supports both the ability ...
(ngSubmit). When we click on the submit button, Angular will catch the event and pass it to the onSubmit handler function. <form (ngSubmit)="onSubmit(loginForm.value)" [formGroup]="loginForm"> <input type="text" formControlName="email" id="login-email"> <input type="password" form...
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ng-submitSpecifies expressions to run on onsubmit events. ng-switchSpecifies a condition that will be used to show/hide child elements. ng-transcludeSpecifies a point to insert transcluded elements. ng-valueSpecifies the value of an input element. ...
The traditional way when working with forms—where we need to get the data from the user, run some processing, and then send it to the server—would look something like the following. The HTML first might look like this: <form name="myForm" onsubmit="submitData()"> <input type="text...
allAccounts = accounts; }); // Does a GET to /accounts // Returns an empty array by default. Once a value is returned from the server // that array is filled with those values. So you can use this in your template $scope.accounts = Restangular.all('accounts').getList().$object; ...