我想检测对form.component.ts上的输入的更改事件的值。我不想调用函数ex：（onChange）=“ function（$ event.target.value）”
public form: FormGroup;
constructor(private formBuilder: FormBuilder){
}
private loadForm(){
this.form = this.formBuilder.group({
tipo: [null, Validators.required],
nomeRazao: [null, Validators.compose([Validators.required, Validators.minLength(3), Validators.maxLength(64)])],
apelidoFantasia: [null, Validators.compose([Validators.required, Validators.minLength(3), Validators.maxLength(64)])],
cpfCnpj: [null, Validators.compose([Validators.required, Validators.minLength(11), Validators.maxLength(14)])],
rgIe: [null],
contato: this.formBuilder.group({
email: [null],
telefone: [null]
}),
endereco: this.formBuilder.group({
cep: [null, Validators.pattern('^([0-9]){5}([-])([0-9]){4}$')],
uf: [null],
cidade: [null],
bairro: [null, Validators.required],
logradouro: [null],
complemento: [null],
numero: [null, Validators.pattern('/^\d+$/')]
})
});
}
ngOnInit() {
this.loadForm();
}
为了检测特定字段的值变化，可以订阅该字段上的“ valueChanges”事件，如下所示：
this.myForm.get('formcontrolname').valueChanges.subscribe(val => {
this.message = val;
});
本文收集自互联网，转载请注明来源。
如有侵权，请联系 [email protected] 删除。
我来说两句