从昨天开始,我一直被困在本教程的数据绑定部分 https://angular.io/docs/ts/latest/tutorial/toh-pt1.html
我一直在收到此错误
未处理的承诺拒绝:模板解析错误: 无法绑定到'ngModel',因为它不是'input'的已知属性。 (” 名称: ] [(ngModel)] =“hero.name”占位符=“名称”> “):AppComponent @ 5:12;区域:;任务:Promise.then;值:错误:模板解析错误:(...)错误:模板解析错误: 无法绑定到'ngModel',因为它不是'input'的已知属性。 (” 名称: ] [(ngModel)] =“hero.name”占位符=“名称”> “):AppComponent @ 5:12
我将代码与页面上的代码并排查看,甚至复制了他们的代码,看看我粘贴时是否注意到任何差异,确定它完全相同,但仍然发生了这个错误。 / p>
我在这个问题上发现的大约98%的信息恰好是基于他们忘记导入FormsModule,但事实并非如此。我甚至尝试将其导入到其他.ts文件中,只是为了查看是否有任何问题,并且它无法解决问题。
我遇到另一个提到角度/表格依赖性必须是0.3.0或更高,我检查了包文件,看到我正在使用2.1.1
我去年安装了Node并且直到现在还没有真正弄乱它,我有Windows Vista所以我无法获得最新版本,我的版本是5.7.0而我使用的是npm 3.6.0
这是我的代码
main.ts
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
@NgModule({
imports: [
BrowserModule,
FormsModule
],
declarations: [
AppComponent
],
bootstrap: [ AppComponent ]
})
export class AppModule { }
app.componet.ts
import { Component } from '@angular/core';
export class Hero {
id: number;
name: string;
}
@Component({
selector: 'my-app',
template: `<h1>{{title}}</h1>
<h2>{{hero.name}} details!</h2>
<div><label>id: </label>{{hero.id}}</div>
<div>
<label>name: </label>
<input [(ngModel)]="hero.name" placeholder="name">
</div>`
})
export class AppComponent {
title = 'Tour of Heroes';
hero: Hero = {
id: 1,
name: 'Windstorm'
};
}
的index.html
<!DOCTYPE html>
<html>
<head>
<title>Angular QuickStart</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles.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>
System.import('app').catch(function(err){ console.error(err); });
</script>
</head>
<!-- 3. Display the application -->
<body>
<my-app>Loading...</my-app>
</body>
</html>
的package.json
{
"name": "angular-quickstart",
"version": "1.0.0",
"scripts": {
"start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
"lite": "lite-server",
"tsc": "tsc",
"tsc:w": "tsc -w"
},
"licenses": [
{
"type": "MIT",
"url": "https://github.com/angular/angular.io/blob/master/LICENSE"
}
],
"dependencies": {
"@angular/common": "~2.1.1",
"@angular/compiler": "~2.1.1",
"@angular/core": "~2.1.1",
"@angular/forms": "~2.1.1",
"@angular/http": "~2.1.1",
"@angular/platform-browser": "~2.1.1",
"@angular/platform-browser-dynamic": "~2.1.1",
"@angular/router": "~3.1.1",
"@angular/upgrade": "~2.1.1",
"angular-in-memory-web-api": "~0.1.13",
"bootstrap": "^3.3.7",
"core-js": "^2.4.1",
"reflect-metadata": "^0.1.8",
"rxjs": "5.0.0-beta.12",
"systemjs": "0.19.39",
"zone.js": "^0.6.25"
},
"devDependencies": {
"@types/core-js": "^0.9.34",
"@types/node": "^6.0.45",
"concurrently": "^3.0.0",
"lite-server": "^2.2.2",
"typescript": "^2.0.3"
}
}
我不知道当节点明星有所不同时,他们渲染的.js文件是否存在差异,但我认为此刻可能有些过分,如果这没有显示问题并且你们想看一看让我知道,我会把它们包括在内。
答案 0 :(得分:0)
你的app模块应该是这样的:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
@NgModule({
imports: [ BrowserModule, FormsModule ],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule { }