Angular模板表单校验 Angular模板表单校验方法详解
work hard work smart 人气:0想了解Angular模板表单校验方法详解的相关内容吗,work hard work smart在本文为您仔细讲解Angular模板表单校验的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:Angular模板表单校验,Angular表单校验,Angular模板表单,下面大家一起来学习吧。
1. 创建指令
ng g directive directives/mobileValidator
2. html
<form #myForm="ngForm" (ngSubmit)="onSubmit2(myForm.value, myForm.valid)"> <div> <h3>登录</h3> </div> <div>用户名:<input ngModel required name="username" type="text" (input)="onMobileInput(myForm)"></div> <div [hidden]="mobileValid || moblieUntouched"> <div [hidden]="!myForm.form.hasError('required','username')"> 用户名是必填项 </div> </div> <div>电话: <input ngModel mobile name="mobile" type="text"></div> <button type="submit">登录</button> </form>
3. 控制器
mobileValid: boolean = true; moblieUntouched: boolean = true; onMobileInput(form: NgForm) { if (form) { this.mobileValid = form.form.get('mobile').valid; this.moblieUntouched = form.form.get('mobile').untouched; } }
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