Angular 动态属性绑定
When the expression resolves to null or undefined, Angular removes the attribute altogether.
方法1 - html：
方法2 - formGroup：
if (this.readOnly) {
this.formGroup.get('name').disable();
}
Angular 动态属性绑定
When the expression resolves to null or undefined, Angular removes the attribute altogether.
方法1 - html：
方法2 - formGroup：
if (this.readOnly) {
this.formGroup.get('name').disable();
}
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