本文实例为大家分享了Angular模板表单校验的方法,供大家参考,具体内容如下
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; } }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。