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我使用表單驗證器通過表單構建器在Angular 2中創建表單。表單驗證程序未通過Angular 2
每當我在文本框中輸入數據 - 它通過(div輪廓顏色變綠)。
當我用數據加載表單時,文本框有一個紅色的輪廓 - 即使它們被填充文本。
HTML:
<div class="form-group row" [ngClass]="{'has-error': (!firstname.valid), 'has-success': (firstname.valid)}">
<label for="firstname" class="col-sm-2 control-label">First Name</label>
<div class="col-sm-10">
<input [formControl]="firstname" type="text" class="form-control" id="firstname" placeholder="First Name" value="{{profile.firstname}}">
</div>
</div>
在組件文件:
@Input() profile: Profile;
public form: FormGroup;
public firstname: AbstractControl;
public lastname: AbstractControl;
constructor(fb: FormBuilder) {
this.form = fb.group({
'firstname': ['', Validators.compose([Validators.required, Validators.minLength(4)])],
'lastname': ['', Validators.compose([Validators.required, Validators.minLength(4)])],
'jobtitle': ['', Validators.compose([Validators.required, Validators.minLength(4)])],
'department': ['', Validators.compose([Validators.required, Validators.minLength(4)])]
});
this.firstname = this.form.controls['firstname'];
this.lastname = this.form.controls['lastname'];
this.jobtitle = this.form.controls['jobtitle'];
this.department = this.form.controls['department'];
}
爲什麼驗證未通過,則Validators.required
不正確的?
感謝。
你的代碼似乎罰款,你能否pulnker重建問題了嗎? –
將需要我一段時間才能得到。似乎「有錯誤」類設置爲早。 class =「form-group row has-error」 – thegunner
因此,這意味着你得到你的解決方案? –