Angular 不执行动作的有角度的形状
我试图通过在线教程使用ngForm来构建完整的堆栈应用程序,但是保存按钮没有被触发,我对angular 8是全新的,我已经遵循了每一步,kidly帮助我提前摆脱这个感谢 我的表单代码adduer.component.htmlAngular 不执行动作的有角度的形状,angular,angular8,Angular,Angular8,我试图通过在线教程使用ngForm来构建完整的堆栈应用程序,但是保存按钮没有被触发,我对angular 8是全新的,我已经遵循了每一步,kidly帮助我提前摆脱这个感谢 我的表单代码adduer.component.html <h1>Add User</h1> <form #recievedUser="ngForm"> <label for="name">Name</label> <
<h1>Add User</h1>
<form #recievedUser="ngForm">
<label for="name">Name</label>
<input type="text" class="form-control" id="name" placeholder="user name" [(ngModel)]="user.name" name="name">
<label for="type">Type</label>
<input type="text" class="form-control" id="type" placeholder="type name" [(ngModel)]="user.type" name="name">
<label for="password">Password</label>
<input type="password" class="form-control" id="password" placeholder="password" [(ngModel)]="user.password" name="password">
<br>
<button type="button" class="btn btn-success" (click)="addUser()">Save</button>
</form>
应用程序模块.ts
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { MenuComponent } from './menu/menu.component';
import { UsersComponent } from './admin/users/users.component';
import {HttpClientModule} from '@angular/common/http';
import { AdduserComponent } from './admin/users/adduser/adduser.component';
import {FormsModule} from '@angular/forms';
@NgModule({
declarations: [
AppComponent,
MenuComponent,
UsersComponent,
AdduserComponent
],
imports: [
BrowserModule,
AppRoutingModule,
HttpClientModule,
FormsModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
我正在下面构建一个应用程序我没有看到指令ngForm的ngSubmit输出。试着把它放在表单HTML标记中
<form #recievedUser="ngForm" (ngSubmit)="addUser()">
然后删除单击按钮事件
<button type="button" class="btn btn-success">Save</button>
保存
试试看
user
是一个输入,您分配this.newUser=Object.assign({},this.user)在ngOnInit
中,将其编码到this.newUser
。这意味着this.newUser
获取user
的原始输入值,并且在addUser()
中使用时不会获取新值(您可以查看有关ngOnInit
的更多信息)
(单击)=“addUser(receiveduser)”
,然后通过receiveduser.controls.[nameOfControl].[value]
(例如:receiveduser.controls.name.value
)访问其值。您可以使用console.log(receiveduser.controls.name)
查看它this.newUser=Object.assign({},this.user)
输入addUser()
,这样它就可以获得最新的值
addUser(){
}
或2。保留
this.newUser=Object.assign({},this.user)将绑定从user
更改为newUser
([(ngModel)]=“newUser.name”
)。尝试将按钮类型设置为“提交”
<button type="button" class="btn btn-success">Save</button>
this.newUser = Object.assign({}, this.user);
this.httpClientService.addUser(this.newUser).subscribe(
(user) => {
this.userAddedEvent.emit();
this.router.navigate(['admin', 'users']);
});