摘要: 1. 只能输入整型 <input matInput formControlName="value" (keypress)="validateNum($event)" trim="blur"> validateNum(event) { const pattern = /[0-9\+\-\ ]/; le 阅读全文
posted @ 2022-06-14 20:59 jahoon 阅读(60) 评论(0) 推荐(0)