有没有一种方法可以在禁用角垫形式字段时将其删除



当mat表单字段被禁用时,我试图从该字段中删除边框,但我已经尝试了所有在线选项,但似乎没有从div 中删除边框

这是我的代码:

<div *ngIf="readOnly" class="medium-2 columns read-only-true">
<mat-form-field appearance="outline" class="full-width">
<mat-label>Employee ID</mat-label>
<input [disabled]="readOnly" class="emp_id" required [(ngModel)]="form.id" matInput name="empID" placeholder="EMP #">
</mat-form-field>
</div>

以下是我迄今为止所尝试的:

第一种方法:

.read-only-true .mat-form-field-outline-start {
border-color: white;
}
.read-only-true .mat-form-field-outline-gap {
border-color: white;
}
.read-only-true .mat-form-field-outline-end {
border-color: white;
}

第二种方法:

.read-only-true .mat-form-field-outline .mat-form-field-outline-start {
border: white !important;
}
.read-only-true .mat-form-field-outline .mat-form-field-outline-end {
border: white !important;
}

第三种方法:

::ng-deep .read-only-true .mat-form-field-appearance-outline .mat-form-field-outline .mat-form-field-outline-start {
border: 1px solid white !important;
}
::ng-deep .read-only-true .mat-form-field-appearance-outline .mat-form-field-outline .mat-form-field-outline-end {
border: 1px solid white; !important
}
::ng-deep .mat-form-field-appearance-outline .mat-form-field-outline {
color: white;
}

我真的很感谢你的帮助,如果你想让我发布任何其他信息,请告诉我。

对于CSS:

::ng-deep .mat-form-field-appearance-outline.mat-form-field-disabled, ::ng-deep .mat-form-field-outline {
opacity: 0;
}

HTML

<mat-form-field appearance="fill" class="full-width">
<mat-label>Employee ID</mat-label>
<input matInput type="text" value="value" [disabled]="true" class="emp_id">
</mat-form-field>

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