November 2021
Beginner to intermediate
239 pages
4h 15m
Chinese
Content preview from Dapr学习手册
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简介
｜
13
另一个统一编程模型发挥用武之地的例子是，利用绑定（
bindings
）让流行的
云服务作为事件来触发
Web
服务。
图
0-2
演示了
Web
服务中的照片处理程序，
在没有任何代码修改的前提下，不仅能够通过浏览器客户端触发，而且能够
通过
Azure Storage
和
Amazon S3
的
blob
事件触发。
服务开发人员无需学习
特定的服务
API
，即可与这些服务进行对话，所有的细节都通过绑定被抽象
了出去。
浏览器请求 图片处理器
上传
上传
图
0
-
2
：Dapr 绑定
在本介绍接下来的部分，我们将简要介绍
Dapr
的体系结构及其工作原理。
Dapr
背后的核心思想其实十分简单，但是我们很高兴看到从一个简单的想法
开始，一个充满活力的社区正在迅速的发展。
我们希望这个想法也能引起你
的共鸣。
0.2 Dapr
的架构
Dapr
由
Dapr CLI
，一个运行时，以及一些控制平面服务组成。
它还附带一
个可扩展的构件库，其中包含了状态存储、消息骨干、绑定和可观察性
注
3
等
常见构建基块。在本书中我们将对所有的这些部分一一详尽地介绍，以下内
容只是对它的一个快速介绍，以期给你一个大致的概念：
注
3
：
Dapr
正在积极的持续开发中，组件列表可能还会增加。例如，在撰写本文时，我们
也在考虑制定执行策略和自定义中间件的可插拔组件。有关最新的组件列表，请参阅
Dapr
的在线文档
(
https://oreil.ly/kY1Vr
)
。
14
｜
第
0
章
Dapr CLI
Dapr CLI
是跨平台的命令行工具，可用于配置，管理和监视 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.