我有服务:
@Inject()
export class MyService{
...
// this.status has a value which I can print in the console.
//Now let's write a function to call it from my component
getGood(): any{
return this.status;
}
}
现在,在我的组件中:
export class MyComponent {
statusFromServer: number;
constructor(private router: Router, @Inject(UploadedFile) private _uploadedFile: UploadedFile){
}
.....
handleUpload(): void {
this.statusFromServer = this._uploadedFile.getGood();
console.log(this.statusFromServer);
}
}
我该怎么做才能得到这个。可以在组件中访问和打印状态?我在这里做错了什么?
答案 0 :(得分:0)
@Inject()
export class MyService{
应该是
@Injectable()
export class MyService{
constructor(private router: Router, @Inject(UploadedFile) private _uploadedFile: UploadedFile){
应该是
constructor(private router: Router, private _uploadedFile: UploadedFile){
如果这没有帮助,我认为MyService.status
是由某些异步调用设置的,而在执行this.statusFromServer = this._uploadedFile.getGood();
时尚未提供。
答案 1 :(得分:0)
尝试以下,
get handleUpload(): void {
return this._uploadedFile.getGood();
}
希望这会有所帮助!!