C# 本事 + .NET 相依性注入
C# 本事 + .NET 相依性注入
About the Bundle
這是同時購買《C# 本事》與《.NET 相依性注入》的優惠方案。
About the Books
C# 本事
本書的目的是介紹 C# 程式語言的重要特色,以及實務上常用的 .NET 類別(例如集合、LINQ 等)。也就是說,對於像是變數、迴圈、if...else 等基礎語法,本書都不會介紹。我不想讓這本書便得太厚而難以消化。
目前進行中的章節大致如下:
- chapter 1: C# 基礎語法的重要部分。請注意這裡的「基礎語法」,指的並不是如迴圈(例如 for、foreach)、決策(例如 if...else、switch...case)等基本元素,而是其他稍微進階一點、或更便捷的 C# 語法,包括:可為 null 的型別( nullable types)、 物件初始設定式、 自動實作屬性、匿名型別、擴充方法等等。
- chapter 2:泛型
- chapter 3:委派與 Lambda 表示式
- chapter 4:事件
- chapter 5:C# 6
- chapter 6:C# 7
- chapter 7:列舉器
- chapter 8:LINQ
預計會加入的內容:async/await 語法。
.NET 相依性注入
使用 Unity
邁向專業開發人員之路...
本書內容是關於.NET相依性注入(dependency injection;簡稱DI)的相關議題。透過本書,您將會瞭解:
- 什麼是 DI、它有什麼優點、何時使用 DI、以及可能碰到的陷阱。
- 如何運用 DI 應付容易變動的軟體需求,設計出更彈性、更好維護的程式碼。
- 與 DI 有關的設計模式。
- DI 於 .NET 應用程式中的實務應用,包括 ASP.NET MVC、ASP.NET Web API等等。
- 如何使用 DI 容器(例如 Unity)來協助開發應用程式。
本書的範例皆以C#撰寫,讀者無須具備任何 DI 背景知識。
這不是 .NET 程式設計的入門書。為了避免讀者花錢買了不適合自己的書,容筆者斗膽列舉閱讀本書的基本條件:
- 熟悉 C# 語法,包括擴充方法(extrension methods)、泛型(generics)、委派(delegates)等等。如果精通的是 VB(或其他 .NET 語言)但不排斥 C# 語法,也是 OK 的。
- 具備物件導向的基礎概念,知道何謂封裝、繼承、多型(polymorphism)。
倒不是說,不符合以上條件的讀者就無法從本書汲取有用的東西;只是就一般的情況而言,讀起來會比較辛苦一些。
如果您曾經接觸、研究過設計模式(design patterns),有些章節閱讀起來會輕鬆一些。然而這並非基本要求,因為本書也會一併介紹相關的設計模式與原則,例如 Decorator 模式、Factory 模式、開放/封閉原則(Open/Closed Principle)、單一責任原則(Single Responsibility Principle)等等。
此外,如果下列描述有一些符合您現在的想法,那麼本書也許對您有幫助:
- 我的日常開發工作需要設計共用的類別庫或框架,供他人使用。
- 我經常使用第三方(third-party)元件或框架,而且它們都提供了某種程度的 DI 機制。為了充分運用這些機制,我必須了解 DI 的各種用法。
- 我希望能夠寫出寬鬆耦合、容易維護的程式碼。
- 我已經開始運用寬鬆耦合的設計原則來寫程式,我想知道更多有關 DI 的細節,以了解有哪些陷阱和迷思,避免設計時犯了同樣的毛病。
無論別人怎麼說,自己讀過的感覺最準。強烈建議您先讀完本書的試閱章節(包含本書前言和第 1 章完整內容),以評估這本書是否適合你。
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