![](/img/trans.png)
[英]An object literal cannot have multiple properties with the same name in strict mode. The property “path” says to be duplicated
[英]An object literal cannot have multiple properties with the same name
我有兩個驗證器函數,第一個驗證器用於當用戶輸入與舊密碼相同的新密碼時,它會顯示錯誤。 第二個驗證器是“新密碼”和“確認密碼”必須匹配。 所以我的問題是,當我在 ts 文件中包含這兩個函數時出現此錯誤:
一個 object 文字不能有多個同名的屬性。
錯誤顯示在“validators:”的“validators:”部分:matchValidator('newPassword', 'confirmPassword'),”
我究竟做錯了什么?
這是我的代碼:
.ts 文件:
import {
AbstractControl,
AbstractControlOptions,
FormBuilder,
FormControl,
FormGroup,
Validators,
} from '@angular/forms';
import { AppConfig } from 'src/app/_common/configs/app.config';
import { Component } from '@angular/core';
import { PasswordRegex } from 'src/app/_common/constants';
import { matchValidator } from 'src/app/_common/validators/match.validator';
import { notEqualValidator } from 'src/app/_common/validators/match.validator';
@Component({
selector: 'app-change-password',
templateUrl: './change-password.component.html',
styleUrls: ['./change-password.component.scss'],
})
export class ChangePasswordComponent {
appConfig = AppConfig;
oldPassword = new FormControl(null, [
(c: AbstractControl) => Validators.required(c),
Validators.pattern(PasswordRegex),
]);
newPassword = new FormControl(null, [
(c: AbstractControl) => Validators.required(c),
Validators.pattern(PasswordRegex),
]);
confirmPassword = new FormControl(null, [
(c: AbstractControl) => Validators.required(c),
Validators.pattern(PasswordRegex),
]);
changePasswordForm = this.formBuilder.group(
{
oldPassword: this.oldPassword,
newPassword: this.newPassword,
confirmPassword: this.confirmPassword,
},
<AbstractControlOptions>{
validators: notEqualValidator('oldPassword', 'newPassword'),
validators: matchValidator('newPassword', 'confirmPassword'),
}
);
constructor(private formBuilder: FormBuilder) {}
onSubmit(): void {
if (!this.changePasswordForm?.valid) {
return;
}
}
}
match.validator.ts 文件:
import { FormGroup } from '@angular/forms';
export function matchValidator(controlName: string, matchingControlName: string) {
return (formGroup: FormGroup) => {
const control = formGroup.controls[controlName];
const matchingControl = formGroup.controls[matchingControlName];
if (matchingControl.errors && !matchingControl.errors['matchValidator']) {
return;
}
if (control.value !== matchingControl.value) {
matchingControl.setErrors({ matchValidator: true });
} else {
matchingControl.setErrors(null);
}
};
}
export function notEqualValidator(controlName: string, matchingControlName: string) {
return (formGroup: FormGroup) => {
const control = formGroup.controls[controlName];
const matchingControl = formGroup.controls[matchingControlName];
if (matchingControl.errors && !matchingControl.errors['notEqualValidator']) {
return;
}
if (control.value == matchingControl.value) {
matchingControl.setErrors({ notEqualValidator: true });
} else {
matchingControl.setErrors(null);
}
};
}
為 validators 屬性使用一個數組:
changePasswordForm = this.formBuilder.group(
{
oldPassword: this.oldPassword,
newPassword: this.newPassword,
confirmPassword: this.confirmPassword,
},
<AbstractControlOptions>{
validators: [
notEqualValidator('oldPassword', 'newPassword'),
matchValidator('newPassword', 'confirmPassword')
]
}
);
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.