angular – formGroup需要一个FormGroup实例
发布时间:2020-12-17 07:51:44 所属栏目:安全 来源:网络整理
导读:我在Plunkr上有一个Angular 2 RC4基本表单示例,似乎抛出以下错误(在Chrome DEV控制台中) 这是傻瓜 https://plnkr.co/edit/GtPDxw?p=preview 错误: browser_adapter.ts:82 EXCEPTION: Error: Uncaught (in promise): EXCEPTION: Error in ./App class App -
我在Plunkr上有一个Angular 2 RC4基本表单示例,似乎抛出以下错误(在Chrome DEV控制台中)
这是傻瓜 https://plnkr.co/edit/GtPDxw?p=preview 错误: browser_adapter.ts:82 EXCEPTION: Error: Uncaught (in promise): EXCEPTION: Error in ./App class App - inline template:1:7 ORIGINAL EXCEPTION: formGroup expects a FormGroup instance. Please pass one in. Example: <form [formGroup]="myFormGroup"> ORIGINAL STACKTRACE: Error: formGroup expects a FormGroup instance. Please pass one in. Example: <form [formGroup]="myFormGroup"> at new BaseException (https://npmcdn.com/@angular/forms@0.2.0/src/facade/exceptions.js:27:23) at FormGroupDirective._checkFormPresent (https://npmcdn.com/@angular/forms@0.2.0/src/directives/reactive_directives/form_group_directive.js:110:19) at FormGroupDirective.ngOnChanges (https://npmcdn.com/@angular/forms@0.2.0/src/directives/reactive_directives/form_group_directive.js:39:14) at DebugAppView._View_App0.detectChangesInter
您的代码中存在一些问题
>< div [formGroup] =“form”>在< form>之外标签 Plunker example (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |