我在离子2中使用formbuilder,但在使用formControlName时遇到离子选择指令问题。 所有数据都被转发到firebase,在这些值被设置。离子2离子选择不发送值formbuilder
这里是从HTML摘录
<ion-item fromGroupName="carDetails">
<ion-label floating>car make</ion-label>
<ion-select #carMake (change)="elementChanged(carMake)" formControlName="carMake">
<ion-option value="ford" selected>Ford</ion-option>
<ion-option value="bmw">BMW</ion-option>
<ion-option value="mercedes">Mercedes</ion-option>
</ion-select>
</ion-item>
<ion-item formGroupName="carDetails">
<ion-label floating>car model</ion-label>
<ion-input #carModel formControlName="carModel" type="text" (change)="elementChanged(carModel)"
[class.invalid]="!slideTwoForm.controls.carDetails.controls.carModel.valid && (carModelChanged || submitAttempt)"></ion-input>
</ion-item>
<ion-item *ngIf="!slideTwoForm.controls.carDetails.controls.carModel.valid && (carModelChanged || submitAttempt)">
<p>Please enter a valid car model.</p>
</ion-item>
<ion-item formGroupName="carDetails">
<ion-label floating>car year</ion-label>
<ion-datetime #carYear formControlName="carYear" displayFormat="YYYY" (change)="elementChanged(carYear)" ngControl="carYear"></ion-datetime>
</ion-item>
,这里是从.TS的提取文件
this.slideTwoForm = formBuilder.group({
ssn: ['', Validators.compose([Validators.maxLength(11), Validators.pattern('[0-9]*'), Validators.required])],
drivingCredentials: this.formBuilder.group({
drivingLicense: [''],
expirationDate: [''],
}),
carDetails: this.formBuilder.group({
carMake: [''],
carModel: [''],
carYear: [''],
carColor: [''],
}),
password: ['', Validators.compose([Validators.minLength(6), Validators.required])]
});
现在,“carModel”和“carYear”的工作完美无缺,并把他们的价值当使用“formControlName”,但“carMake”在使用“formControlName”时发生错误时,错误:
polyfills.js:3 Uncaught ViewWrappedError {_nativeError: Error: Error in ./SignUpPage class SignUpPage - inline template:134:70 caused by: Cannot find contro…, originalError: Error: Cannot find control with name: 'carMake'
at _throwError (http://localhost:8100/build/main…, context: DebugContext}
我尝试使用ngControl而不是formControlName,但值是空的。
离子2 formbuilder唱离子选择什么时候任何人都遇到过这样的问题呢?