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Merge pull request #2 from angular/dependency-injection-rex

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review di.
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Yang Lin 2016-11-27 01:14:29 +08:00 committed by GitHub
commit 72c22e17cc
1 changed files with 8 additions and 7 deletions
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3
public/docs/ts/latest/guide/dependency-injection.jade
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@ -681,7 +681,8 @@ block injectable-not-always-needed-in-ts
identify a class as a target for instantiation by an injector. identify a class as a target for instantiation by an injector.
我们**可以**添加它。但是没有必要，因为`HerosComponent`已经有`@Component`装饰器了， 我们**可以**添加它。但是没有必要，因为`HerosComponent`已经有`@Component`装饰器了，
`@Component`（和随后将会学到的`@Directive`和`@Pipe`一样）是 <a href="#{injUrl}">Injectable</a> 的子类型。实际上，正是这些`Injectable`装饰器是把一个类标识为注入器实例化的目标。 `@Component`（和随后将会学到的`@Directive`和`@Pipe`一样）是 <a href="#{injUrl}">Injectable</a> 的子类型。
实际上，正是这些`Injectable`装饰器是把一个类标识为注入器实例化的目标。
+ifDocsFor('ts') +ifDocsFor('ts')
.l-sub-section .l-sub-section