我正在学习有关MEAN堆栈应用程序的在线课程。我遇到以下错误,无法弄清楚如何解决。
1。)下面是我的employee.component.ts文件中的代码:
import { Component, OnInit } from '@angular/core';
import { EmployeeService } from '../shared/employee.service'
@Component({
selector: 'app-employee',
templateUrl: './employee.component.html',
styleUrls: ['./employee.component.css'],
providers: [EmployeeService]
})
export class EmployeeComponent implements OnInit {
constructor(private employeeService: EmployeeService) { }
ngOnInit() {
}
}
2。)下面是我的employee.component.html文件中的代码:
<div class="row">
<div class="col s12">
<div class="card">
<div class="card-content white-text">
<div class="row">
<div class="col sS">
<form #employeeForm="ngForm" (ngSubmit)="onSubmit(employeeForm)">
<input type="hidden" name="_id" #_id="ngModel" [(ngModel)]="employeeService.selectedEmployee._id">
<div class="row">
<div class="input-field col s12">
<input type="text" name="name" #name="ngModel" [(ngModel)]="employeeService.selectedEmployee.name" placeholder="Enter full name">
<label>Name :
<label class="red-text">*</label>
</label>
</div>
</div>
<div class="row">
<div class="input-field col s12">
<input type="text" name="position" #name="ngModel" [(ngModel)]="employeeService.selectedEmployee.position" placeholder="Enter Position">
<label>Position :</label>
</div>
</div>
<div class="row">`enter code here`
<div class="input-field col s12">
<input type="text" name="office" #name="ngModel" [(ngModel)]="employeeService.selectedEmployee.office" placeholder="Enter Office">
<label>Position :</label>
</div>
</div>
<div class="row">
<div class="input-field col s12">
<input type="text" name="salary" #name="ngModel" [(ngModel)]="employeeService.selectedEmployee.salary" placeholder="Enter salary">
<label>Position :</label>
</div>
</div>
</form>
</div>
<div class="col s7">
</div>
</div>
</div>
</div>
</div>
</div>
我对此并不陌生,因此我很难解决此错误。如果有人可以阐明这一点,我将不胜感激。谢谢。
尝试以下方式:
import { Component, OnInit } from '@angular/core';
import { EmployeeService } from '../shared/employee.service'
@Component({
selector: 'app-employee',
templateUrl: './employee.component.html',
styleUrls: ['./employee.component.css'],
})
export class EmployeeComponent implements OnInit {
constructor(private employeeService: EmployeeService) { }
ngOnInit() {
};
onSubmit(employeeForm: NgForm) {
if (employeeForm.value.$key == null) {
this.employeeService.insertEmployee(employeeForm.value);
this.tostr.success('registration Successfully', 'Employee Registered')
employeeForm.reset();
}
}
}
HTML
<div class="row">
<div class="col s12">
<div class="card">
<div class="card-content white-text">
<div class="row">
<div class="col sS">
<form #employeeForm="ngForm" (ngSubmit)="onSubmit(employeeForm)">
<input type="hidden" name="_id" #_id="ngModel" [(ngModel)]="employeeService.selectedEmployee._id">
<div class="row">
<div class="input-field col s12">
<input type="text" name="name" #name="ngModel" [(ngModel)]="employeeService.selectedEmployee.name" placeholder="Enter full name">
<label>Name :
<label class="red-text">*</label>
</label>
</div>
</div>
<div class="row">
<div class="input-field col s12">
<input type="text" name="position" #position="ngModel" [(ngModel)]="employeeService.selectedEmployee.position" placeholder="Enter Position">
<label>Position :</label>
</div>
</div>
<div class="row">`enter code here`
<div class="input-field col s12">
<input type="text" name="office" #office="ngModel" [(ngModel)]="employeeService.selectedEmployee.office" placeholder="Enter Office">
<label>Position :</label>
</div>
</div>
<div class="row">
<div class="input-field col s12">
<input type="text" name="salary" #salary="ngModel" [(ngModel)]="employeeService.selectedEmployee.salary" placeholder="Enter salary">
<label>Position :</label>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</div>