[英]Angular 8: How to use formControlName with FormArray
[英]Angular - use formControlName on object property
這是我到目前為止所擁有的:
用戶模型.ts
export class UserModel {
id?: string = null;
firstName = 'firstName';
lastName = '';
email = '';
county = '';
city = '';
phone = '';
password = '';
role = '';
}
注冊.component.ts
export class RegisterComponent implements OnInit {
registerForm: FormGroup;
constructor(private formBuilder: FormBuilder) { }
ngOnInit(): void {
this.registerForm = this.formBuilder.group({
user: new UserModel()
});
}
注冊.component.html
<form [formGroup]="registerForm">
Value: {{registerForm.value.user | json}}
<hr>
<input type="text" formControlName="whatever I should put here">
</form>
我想要的是將輸入綁定到比方說...用戶的名字、姓氏、email 等等。 有什么辦法嗎? 另外,如果可以的話,如何將驗證器添加到用戶字段?
在 HTML 中綁定 formControlName 之前,您需要在 TS 中定義 then,如下所示:
ngOnInit(): void {
this.registerForm = this.formBuilder.group({
id: ['', Validators.required],
firstName: ['', Validators.required],
email: ['', Validators.email],
// Other fields
});
要了解有關驗證器的更多信息,請查看 HTML 的驗證響應式:
<form [formGroup]="registerForm" (ngSubmit)="register()">
<input type="text" placeholder="type your first name" formControlName="firstname">
<input type="email" placeholder="you Email" formControlName="email">
<!--Other fields-->
</form>
最后獲取表單值:
register() {
console.log(this.registerForm.value);
if(this.loginForm.invalid){
return;
}
// Create a User instance with the form value ...
}
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