angular-docs-cn/public/docs/js/latest/api/di_annotations/Injectable-class.jade

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<span class="location-badge">exported from <a href="/angular2/di_annotations">angular2/di_annotations</a></span>
defined in <a href="https://github.com/angular/angular/tree/master/modules/angular2/src/di/annotations.js#L134">angular2/src/di/annotations.js (line 134)</a>
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A marker annotation that marks a class as available to `Injector` for creation. Used by tooling for
generating constructor stubs.
```
class NeedsService {
constructor(svc:UsefulService) {}
}
@Injectable
class UsefulService {}
```
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h3 constructor
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constructor()
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