【发布时间】:2019-10-03 19:28:28
【问题描述】:
我有一个 Angular 应用程序,我在通过 ReactiveForms 进行表单验证时遇到了一些问题,我遇到了以下错误:
ng 服务错误:
src/app/pages/contact/contact.component.ts(48,32):错误 TS2339: 类型“FormGroup”上不存在属性“assunto”。 src/app/pages/contact/contact.component.ts(50,57):错误 TS2339: 类型“FormGroup”上不存在属性“assunto”。 src/app/pages/contact/contact.component.ts(51,30):错误 TS2339: 类型“FormGroup”上不存在属性“nome”。 src/app/pages/contact/contact.component.ts(52,33):错误 TS2339: 类型“FormGroup”上不存在属性“empresa”。 src/app/pages/contact/contact.component.ts(53,32):错误 TS2339: 类型“FormGroup”上不存在属性“电子邮件”。 src/app/pages/contact/contact.component.ts(54,34):错误 TS2339: 类型“FormGroup”上不存在属性“telefone”。
contact.component.html
<form class="col-s4 dados-form" [formGroup]="dadosForm">
<mat-form-field style="width:100%" class="full-width">
<input matInput placeholder="Nome" formControlName="nome" required>
<mat-error *ngIf="dadosForm.get('nome').dirty || dadosForm.get('nome').touched">
O campo nome deve ser preenchido</mat-error>
</mat-form-field> <br>
<mat-form-field style="width:100%" class="full-width">
<input matInput placeholder="Empresa" formControlName="empresa" required>
<mat-error
*ngIf="dadosForm.get('empresa').dirty || dadosForm.get('empresa').touched">
O campo empresa deve ser preenchido</mat-error>
</mat-form-field> <br>
<mat-form-field style="width:100%" class="full-width">
<input matInput placeholder="E-Mail" formControlName="email" required>
<mat-error
*ngIf="dadosForm.get('email').dirty || dadosForm.get('email').touched">
{{getMailErrorMessage()}}</mat-error>
</mat-form-field> <br>
<mat-form-field style="width:100%" class="full-width">
<input matInput maxlength="15" id="phoneInput" formControlName="telefone" [mask]="phoneMask" placeholder="Telefone para Contato" required />
<mat-error
*ngIf="dadosForm.get('telefone').dirty || dadosForm.get('telefone').touched">
O campo telefone deve ser preenchido</mat-error>
</mat-form-field> <br>
<mat-form-field style="width:100%" class="full-width">
<mat-label>Produto Desejado</mat-label>
<mat-select matInput formControlName="assunto" required>
<mat-optgroup *ngFor="let categoria of produtos" [label]="categoria.key">
<mat-option *ngFor="let produto of categoria.value" [value]="produto">
{{produto}}
</mat-option>
</mat-optgroup>
</mat-select>
<mat-error
*ngIf="dadosForm.get('assunto').dirty || dadosForm.get('assunto').touched">
O campo assunto deve ser preenchido</mat-error>
</mat-form-field><br>
<mat-form-field style="width:100%" class="full-width">
<textarea matInput placeholder="Mensagem" formControlName="mensagem" required></textarea>
<mat-error
*ngIf="dadosForm.get('mensagem').dirty || dadosForm.get('mensagem').touched">
O campo mensagem deve ser preenchido</mat-error>
</mat-form-field><br>
<div class="form-buttons">
<button mat-button mat-raised-button id="submitButton" [disabled]="!dadosForm.valid" matTooltip="" color="primary" (click)="sendMail(mensagem)">Enviar</button>
</div>
</form>
contact.component.ts
dadosForm = new FormGroup({
nome: new FormControl('', [Validators.required]),
empresa: new FormControl('', [Validators.required]),
email: new FormControl('', [Validators.required, Validators.email]),
telefone: new FormControl('', [Validators.required]),
assunto: new FormControl('', [Validators.required]),
mensagem: new FormControl('', [Validators.required])
});
【问题讨论】:
-
制作一个堆栈闪电战示例
-
我在你的代码中没有发现任何明显的问题,请为它做一个堆栈闪电战
-
看起来您的模板在表单构造之前呈现。您可能需要将
*ngIf=dadosForm添加到<form>元素。 -
@ala 我尝试创建一个 Stackblitz,但 stackblitz 并没有显示所有错误。并且没有与表单相关的错误。
-
@TheHeadRush,我试过做 *ngIf,但没有运气。
标签: angular typescript angular6 angular7 angular4-forms