# Angular 開發指南 ### 1. Angular HttpInterceptor拦截器 可用於判斷token是否存在,再帶入API當中。用於每一次Request。 https://www.jianshu.com/p/8b080a2587c2 ### 2. Angular Router 加上路由守衛 (Route Guards) 現在有了前台與後台的區分。但實務上後台是不允許未經認證的人隨意進入瀏覽的,通常會搭配一個登入介面,而光靠登入介面還不夠,因為使用者很可能會藉由直接輸入網址的方式瀏覽後台頁面,這時候就需要依賴路由守衛 (Route Guards) 了 。 https://pvt5r486.github.io/f2e/20190609/1487025750/ https://appdividend.com/2020/07/09/angular-route-guard-example-guard-in-angular/
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