我正在使用 Angular 4 尝试将 Value 关联到 ngModel 但得到Null
。请帮助我连接ngValue
to ngModel
<select name="gender" [(ngModel)]="nameForm.gender">
<option [ngValue]="Male">Male</option>
<option [ngValue]="Female">Female</option>
<option [ngValue]="Others">Others</option>
</select>
将单引号括起来'Male'
<select name="gender" [(ngModel)]="nameForm.gender">
<option [ngValue]="'Male'">Male</option>
<option [ngValue]="'Female'">Female</option>
<option [ngValue]="'Others'">Others</option>
</select>
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