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我在appContent指令内调APPLeft。提示这个错误:Controller 'appLeft', required by directive 'appContent', can't be found!
appLeft存在的为什么提示这个
I found the answer on stackoverflow. You must put app-content in app-left to use it this way, that is:
<app-left> <app-content></app-content> </app-left>
I found the answer on stackoverflow. You must put app-content in app-left to use it this way, that is: