模块"AppModule"声明的异常值"AnyComponent" [英] Unexpected value 'AnyComponent' declared by the module 'AppModule'

问题描述

我正在使用Angular2，尝试在同一Typescript文件中使用两个类时遇到了这个问题.

I'm using Angular2 and I got this problem when tryng to use two classes in the same Typescript file.

在编译时不会给我任何错误，但是当我尝试执行该页面时，console.log会显示此错误:

At compile time doesn't give me any error but when I try to execute the page the console.log is giving this error:

Error: BaseException@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:5116:27
    CompileMetadataResolver</CompileMetadataResolver.prototype.getNgModuleMetadata/<@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:13274:35
    CompileMetadataResolver</CompileMetadataResolver.prototype.getNgModuleMetadata@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:13261:21
    RuntimeCompiler</RuntimeCompiler.prototype._compileComponents@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:15845:28
    RuntimeCompiler</RuntimeCompiler.prototype._compileModuleAndComponents@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:15769:36
    RuntimeCompiler</RuntimeCompiler.prototype.compileModuleAsync@http://www.my.app/panel-module/node_modules/@angular/compiler//bundles/compiler.umd.js:15746:20
    PlatformRef_</PlatformRef_.prototype._bootstrapModuleWithZone@http://www.my.app/panel-module/node_modules/@angular/core//bundles/core.umd.js:9991:20
    PlatformRef_</PlatformRef_.prototype.bootstrapModule@http://www.my.app/panel-module/node_modules/@angular/core//bundles/core.umd.js:9984:20
    @http://www.my.app/panel-module/app/main.js:4:1
    @http://www.my.app/panel-module/app/main.js:1:31
    @http://www.my.app/panel-module/app/main.js:1:2
    Zone</ZoneDelegate</ZoneDelegate.prototype.invoke@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:332:20
    Zone</Zone</Zone.prototype.run@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:225:25
    scheduleResolveOrReject/<@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:586:53
    Zone</ZoneDelegate</ZoneDelegate.prototype.invokeTask@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:365:24
    Zone</Zone</Zone.prototype.runTask@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:265:29
    drainMicroTaskQueue@http://www.my.app/panel-module/node_modules/zone.js/dist/zone.js:491:26
    F/</g@http://www.my.app/panel-module/node_modules/core-js/client/shim.min.js:8:10016
    F/<@http://www.my.app/panel-module/node_modules/core-js/client/shim.min.js:8:10138
    a.exports/k@http://www.my.app/panel-module/node_modules/core-js/client/shim.min.js:8:14293

    Evaluating http://www.my.app/panel-module/app/main.js
    Error loading http://www.my.app/panel-module/app/main.js

下面是我的组件打字稿文件.

Below is my component typescript file.

//MyComponent.ts

// MyComponent.ts

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'my-app',
  templateUrl: '/path/to/view',
})

export class MyObject {
  id: number;
}


export class MyComponent {
   obj: MyObject;

   // unecessary code
}

推荐答案

您必须更改类的顺序，因此在同一个文件中包含多个类是没有问题的. 在您的情况下，导致decorator @Component现在用于您的类MyObject而不是MyComponent！

You have to change the order of your classes, then there is no problem to have multiple classes in the same file. Cause in your case that decorator @Component is now being used for your class MyObject instead of MyComponent !

decorator @Component必须直接在组件定义的前面！

The decorator @Component needs to be directly in front of your Component definition!!

import { Component, OnInit } from '@angular/core';


export class MyObject1 {
  id: number;
}

@Component({
  selector: 'my-app',
  templateUrl: '/path/to/view',
})
export class MyComponent {
   obj: MyObject;

   // unecessary code
}

export class MyObject2 {
  id: number;
}

这篇关于模块"AppModule"声明的异常值"AnyComponent"的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！