我正在做一份工作而且我没有摆脱这个错误2天前我将发布html代码和TypeScript。
代码索引
<html>
<head>
<base href="/angular-21-menu-busca-alteracao-inclusao-remocao-selecao-inc/">
<title>Angular 2</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="app/css/bootstrap.css">
<link rel="stylesheet" href="app/css/site.css">
<!-- 1. Load libraries -->
<!-- Polyfill(s) for older browsers -->
<script src="node_modules/core-js/client/shim.min.js"></script>
<script src="node_modules/zone.js/dist/zone.js"></script>
<script src="node_modules/reflect-metadata/Reflect.js"></script>
<script src="node_modules/systemjs/dist/system.src.js"></script>
<!-- 2. Configure SystemJS -->
<script src="systemjs.config.js"></script>
<script src="app/js/jquery-1.12.4.js"></script>
<script src="app/js/bootstrap.js"></script>
<script src="app/js/script.js"></script>
<script src="app/js/web-animations.min.js"></script>
<script>
System.import('app').catch(function(err){ console.error(err); });
</script>
</head>
<!-- 3. Display the application -->
<body>
<angular-app>Loading...</angular-app>
</body>
</html>
代码Html
<h2 class="text-center">Cadastro de Clientes</h2>
<!-- Adicionar -->
<h4 id="mensagem" class="text-center" [style.color]="getCor()" [style.visibility]="getVisibilidade()">{{mensagem}}</h4>
<!-- Fim adicionar -->
<div class="container">
<div class="row">
<div class="col-xs-12">
<div *ngIf="aluno">
<div class="media-list">
<div class="row">
<div class="col-xs-12">
<div class="media">
<div class="media-body">
<form class="form-horizontal" [formGroup]="usuarioGroup" role="form" (ngSubmit)="onSubmit(usuarioGroup.valid)" novalidate>
<fieldset [disabled]="isDesabilitado">
<legend>Inf. Básicas</legend>
<div class="form-group form-group-sm">
<label class="col-sm-2 control-label" for="nome">Nome</label>
<div class="col-sm-9">
<input type="text"
id="nome"
[ngClass]="{'form-control': true, 'input-sm': true, 'submitted': submitted}"
>
</div>
<div class="col-sm-9 col-sm-offset-2">
<div *ngIf="formErrors.nome && submitted" class="alert alert-danger">
{{ formErrors.nome }}
</div>
</div>
<div class="col-sm-1"></div>
</div>
<!--
<div class="form-group form-group-sm">
<label class="control-label col-sm-2">Sexo</label>
<div class="col-sm-10">
<input type="radio" [(ngModel)]="aluno.sexo" name="sexo" value="M"> Masculino
</div>
<div class="col-sm-10 col-sm-offset-2">
<input type="radio" [(ngModel)]="aluno.sexo" name="sexo" value="F"> Feminino
</div>
</div>
<div class="form-group form-group-sm">
<label class="control-label col-xs-12 col-sm-2" for="sus">Num.SUS</label>
<div class="col-xs-9 col-sm-3">
<input [(ngModel)]="aluno.sus" maxlength="15" name="sus" class="form-control" id="sus">
</div>
<div class="col-xs-3 col-sm-7"></div>
</div>
</fieldset>
<br/>
<fieldset [disabled]="isDesabilitado">
<legend>Endereço</legend>
<div class="form-group form-group-sm">
<label class="col-sm-2 control-label" for="endereco">Logradouro</label>
<div class="col-sm-9">
<input [(ngModel)]="aluno.endereco" name="endereco" class="form-control"
type="text"
id="endereco">
</div>
<div class="col-sm-1"></div>
</div>
<div class="form-group form-group-sm">
<label class="col-sm-2 control-label" for="bairro">Bairro</label>
<div class="col-sm-9">
<input [(ngModel)]="aluno.bairro" name="bairro" class="form-control" type="text"
id="bairro">
</div>
<div class="col-sm-1"></div>
</div>
<div class="form-group form-group-sm">
<label class="col-sm-2 control-label" for="cidade">Cidade</label>
<div class="col-sm-9">
<input [(ngModel)]="aluno.cidade" name="cidade" class="form-control" type="text"
id="cidade">
</div>
<div class="col-sm-1"></div>
</div>
<div class="form-group form-group-sm">
<label class="col-xs-12 col-sm-2 control-label" for="estado">Estado</label>
<div class="col-xs-5 col-sm-2">
<input [(ngModel)]="aluno.estado" maxlength="2" name="estado" class="form-control" type="text"
id="estado">
</div>
<div class="col-xs-7 col-sm-8"></div>
</div>
-->
</fieldset>
</form>
</div>
</div>
</div>
</div>
</div>
<div class="wrapper">
<!-- Adicionar -->
<button *ngIf="exibirEditar" class="btn btn-primary" (click)="editavel()">
<span class="glyphicon glyphicon-edit"></span> Editar
</button>
<button *ngIf="exibirAlterar" [disabled]="!f.valid" class="btn btn-primary" (click)="alterar(aluno)">
<span class="glyphicon glyphicon-save"></span> Alterar
</button>
<button *ngIf="exibirCadastrar" [disabled]="!usuarioGroup.valid" class="btn btn-primary" (click)="cadastrar(aluno)">
<span class="glyphicon glyphicon-save"></span> Salvar
</button>
<!-- Fim adicionar -->
<button class="btn btn-warning" (click)="voltar()">
<span class="glyphicon glyphicon-backward"></span> Voltar
</button>
</div>
<br/>
<br/>
<br/>
</div>
</div>
</div>
</div>
代码TS
import { Component, OnInit } from '@angular/core';
import { ActivatedRoute, Params } from '@angular/router';
import { AlunoService } from './aluno.service';
import { Aluno } from './aluno';
import { Router } from '@angular/router';
import {FormBuilder, FormGroup, Validators} from "@angular/forms";
import {AutoValida} from "./auto.valida";
interface UsuarioForm {
nome: string,
sexo: string,
endereco: string,
bairro: string,
cidade: string,
estado: string,
sus: string,
}
@Component({
selector: 'exibir-aluno',
templateUrl: 'app/partials/exibir-aluno.component.html',
styleUrls: ['app/css/exibir-aluno.css']
})
export class ExibirAlunoComponent implements OnInit{
usuarioForm: UsuarioForm = {nome: '', sexo: '', endereco: '', bairro: '', cidade: '', estado: '', sus: '',};
usuarioGroup: FormGroup;
alunos: Aluno[];
aluno: Aluno = null;
isDesabilitado: boolean = true;
// Adicionar campos aqui!
exibirEditar: boolean = true;
exibirAlterar: boolean = false;
mensagem: string = "Esta mensagem será alterada ao exibir!";
visibilidade: string = "hidden";
cor: string = "blue";
exibirCadastrar: boolean = false;
constructor(private fb: FormBuilder,
private alunoService:AlunoService,
private route:ActivatedRoute,
private router: Router) { }
ngOnInit():void {
this.buildForm();
console.log('executando ngOninit de ExibirAlunoComponent');
let id = +this.route.snapshot.params['id'];
console.log('id = ', id);
// id = NaN
if (isNaN(id)) {
this.novo();
}
else {
this.alunoService.getAluno(id)
.subscribe(
data => {
this.aluno = data;
},
err => {
this.mensagem = "Aluno NÃO encontrado! Status:" + err.status;
this.cor = "red";
this.visibilidade = "visible";
}
);
}
}
novo() {
this.isDesabilitado = false;
this.exibirEditar = false;
this.exibirCadastrar = true;
this.exibirAlterar = false;
this.visibilidade = "hidden";
this.aluno = {
id: null,
nome: '',
sexo: '',
endereco: '',
bairro: '',
cidade: '',
estado: '',
sus: '',
}
}
editavel() {
this.isDesabilitado = false;
this.exibirEditar = false;
this.exibirAlterar = true;
this.visibilidade = "hidden";
this.exibirCadastrar = false;
}
salvo() {
this.isDesabilitado = true;
this.exibirEditar = true;
this.exibirAlterar = false;
this.exibirCadastrar = false;
}
cadastrar(aluno: Aluno) {
this.salvo();
this.alunoService.cadastrar(aluno)
.subscribe(
resposta => {
console.log (resposta);
this.mensagem = "Aluno cadastrado com sucesso!";
this.cor = "blue";
this.visibilidade = "visible";
},
err => {
this.mensagem = "Aluno NÃO cadastrado! Status:" + err.status;
this.cor = "red";
this.visibilidade = "visible";
}
);
}
alterar(aluno: Aluno) {
this.salvo();
this.alunoService.atualizar(aluno)
.subscribe(
resposta => {
console.log (resposta);
this.mensagem = "Aluno alterado com sucesso!";
this.cor = "blue";
this.visibilidade = "visible";
},
err => {
this.mensagem = "Aluno NÃO alterado! Status:" + err.status;
this.cor = "red";
this.visibilidade = "visible";
}
);
}
voltar(): void {
let link = ['/alunos/exibirtodos'];
this.router.navigate(link);
}
getVisibilidade() {
return this.visibilidade;
}
getCor() {
return this.cor;
}
buildForm(): void {
this.usuarioGroup = this.fb.group({
'nome': [this.usuarioForm.nome, [Validators.required, AutoValida.validaNome]],
'sexo': [this.usuarioForm.sexo, [Validators.required]],
'sus': [this.usuarioForm.sus, [Validators.required]],
'endereco': [this.usuarioForm.endereco, [Validators.required]],
'bairro': [this.usuarioForm.bairro, [Validators.required]],
'cidade': [this.usuarioForm.cidade, [Validators.required]],
'estado': [this.usuarioForm.estado, [Validators.required]]
});
}
formErrors = {
nome: '',
sexo: '',
endereco: '',
bairro: '',
cidade: '',
estado: '',
sus: '',
}
submitted: boolean = false;
onSubmit(){
this.submitted = true;
if (!this.usuarioGroup.valid){
return;
}
}
}
错误
Can't bind to 'formGroup' since it isn't a known property of 'form'. (" <div class="media-body">
<form class="form-horizontal" [ERROR ->][formGroup]="usuarioGroup" role="form" (ngSubmit)="onSubmit(usuarioGroup.valid)" novalidate>
"): ExibirAlunoComponent@14:57
No provider for ControlContainer ("
<div class="media-body">
[ERROR ->]<form class="form-horizontal" [formGroup]="usuarioGroup" role="form" (ngSubmit)="onSubmit(usuarioGrou"): ExibirAlunoComponent@14:27 ; Zone: <root> ; Task: Promise.then ; Value: Error: Template parse errors:
Can't bind to 'formGroup' since it isn't a known property of 'form'. (" <div class="media-body">
<form class="form-horizontal" [ERROR ->][formGroup]="usuarioGroup" role="form" (ngSubmit)="onSubmit(usuarioGroup.valid)" novalidate>
"): ExibirAlunoComponent@14:57
No provider for ControlContainer ("
<div class="media-body">
[ERROR ->]<form class="form-horizontal" [formGroup]="usuarioGroup" role="form" (ngSubmit)="onSubmit(usuarioGrou"): ExibirAlunoComponent@14:27
我尝试了各种各样的方式来自我的头脑，但我没有成功。 非常感谢您提前
答案 0 :(得分：0)
中缺少
[]
formGroup="usuarioGroup"
应该是
[formGroup]="usuarioGroup"
前者创建一个字符串值为'usuarioGroup'的属性，
而后者将组件的usuarioGroup字段绑定到formGroup指令的FormGroup属性。
答案 1 :(得分：0)
检查您的模块中是否导入了ReactiveFormsModule