Ionic4 learning notes 5-- custom public module

ionic4 The middle page is composed of modules , Multiple modules cannot share one component .

If you want to use public components , You need to package components into modules , Let the module reference the module , To achieve the purpose of common components , In order to achieve function sharing .

1、 Create common modules and components
 

ionic g module module/slide // Create a module 

ionic g component module/slide // Create components 

2、 On the outside tab1,tab2,tab3 Use this module in

    2.1 To treat it as it needs to expose it first

2.2  Introduce custom modules where they are used , And dependency injection custom modules

3. stay tab1 Of html It can be used in the page

<app-slide></app-slide>