2017年5月11日
[Angular] Using useExisting provider
摘要： Unlike 'useClass', 'useExisting' doesn't create a new instance when you register your service inside ngmodule. 'useExisting' also can limit the functi 阅读全文
posted @ 2017-05-11 04:32 Zhentiw 阅读(1078) 评论(0) 推荐(0)
[Angular] Providers and useFactory
摘要： Using factory provider: Here we create 'DrinkFactory' as a named funciton, this is good for AOT, so recommended doing this way. 阅读全文
posted @ 2017-05-11 04:04 Zhentiw 阅读(1235) 评论(0) 推荐(0)
[Angular] Using InjectionToken
摘要： Previously we have 'OpaqueToken', but it is DEPRECATED. The new one is called 'InjectionToken'. The difference between OpaqueToken is for InjectionTok 阅读全文
posted @ 2017-05-11 01:35 Zhentiw 阅读(907) 评论(0) 推荐(0)