NumberValueAccessor
用于写入数字值和监听数字输入框更改的 ControlValueAccessor。这个值访问器由 FormControlDirective、FormControlName 和 NgModel 指令使用。
The ControlValueAccessor for writing a number value and listening to number input changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.
Exported from
选择器
input[type=number][formControlName]input[type=number][formControl]input[type=number][ngModel]
说明
将数字输入框与响应式表单一起使用。
Using a number input with a reactive form.
下面的示例演示了如何将数字输入框与响应式表单一起使用。
The following example shows how to use a number input with a reactive form.
const totalCountControl = new FormControl();
<input type="number" [formControl]="totalCountControl">
