Angular 使用 Injector API 人工獲取依賴注入的實例
這個例子的完整源代碼: import { Component, OnInit, Injectable, Injector } from '@angular/core'; @Injectable() class UsefulService { constructor(){ console.log("Useful Service is created"); } }
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這個例子的完整源代碼: import { Component, OnInit, Injectable, Injector } from '@angular/core'; @Injectable() class UsefulService { constructor(){ console.log("Useful Service is created"); } }
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