在Angular 6中,可以通过以下步骤在动态向导中从表单中检索数据:
以下是一个示例代码,演示了如何在Angular 6中实现动态向导中从表单中检索数据:
import { Component } from '@angular/core';
import { FormGroup, FormControl } from '@angular/forms';
@Component({
selector: 'app-form',
template: `
<form [formGroup]="myForm">
<input type="text" formControlName="name" placeholder="Name">
<input type="email" formControlName="email" placeholder="Email">
</form>
`
})
export class FormComponent {
myForm: FormGroup;
constructor() {
this.myForm = new FormGroup({
name: new FormControl(''),
email: new FormControl('')
});
}
}
import { Component } from '@angular/core';
import { FormComponent } from './form.component';
@Component({
selector: 'app-wizard',
template: `
<div *ngIf="step === 1">
<h2>Step 1</h2>
<app-form></app-form>
<button (click)="nextStep()">Next</button>
</div>
<div *ngIf="step === 2">
<h2>Step 2</h2>
<p>Name: {{ formData.name }}</p>
<p>Email: {{ formData.email }}</p>
</div>
`,
providers: [FormComponent]
})
export class WizardComponent {
step: number = 1;
formData: any;
constructor(private formComponent: FormComponent) {}
nextStep() {
this.formData = this.formComponent.myForm.value;
this.step++;
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouterModule, Routes } from '@angular/router';
import { AppComponent } from './app.component';
import { FormComponent } from './form.component';
import { WizardComponent } from './wizard.component';
const routes: Routes = [
{ path: '', redirectTo: '/wizard', pathMatch: 'full' },
{ path: 'wizard', component: WizardComponent }
];
@NgModule({
imports: [BrowserModule, RouterModule.forRoot(routes)],
declarations: [AppComponent, FormComponent, WizardComponent],
bootstrap: [AppComponent]
})
export class AppModule {}
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
template: `
<router-outlet></router-outlet>
`
})
export class AppComponent {}
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
platformBrowserDynamic().bootstrapModule(AppModule);
这样,当用户在表单中输入数据并点击“下一步”按钮时,数据将被检索并显示在下一个步骤中。
请注意,以上示例中的代码仅用于演示目的,实际应用中可能需要根据具体需求进行适当修改和扩展。
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