November 2021
Beginner to intermediate
239 pages
4h 15m
Chinese
Content preview from Dapr学习手册
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32
｜
第
0
章
{ msg: 'Hello, World! 2' }
{ msg: 'Hello, World! 3' }
{ msg: 'Hello, World! 4' }
{ msg: 'Hello, World! 5' }
{ msg: 'Hello, World! 6' }
现在你知道了如何通过
HTTP
协议使用
Dapr
边车。
在下一部分中，你将学
习如何使用
gRPC
协议。如果你对使用
gRPC
不感兴趣，则可以跳过以下这
一部分。
0.4
使用
gRPC
gRPC
是
Google
开发的开源的远程过程调用（
RPC
）系统。
它使用
Protocol
Buffers
（
Protobuf
）（同样由
Google
开发的一种高效数据序列化机制）作为
接口描述语言（
IDL
）和数据序列化方法。
与其他
RPC
系统一样，
gRPC
客
户端通过
gRPC
存根（可以使用
gRPC
工具自动生成）与
gRPC
服务器进行
通信。
关于
gRPC
的详细介绍不在本书的讨论范围之内。
有关更多详细信息，请参
见
https://grpc.io
。
gRPC
使用
HTTP/2
作为通信协议。该版本具有数种优于
HTTP/1.1
的性能优
势，包括诸如避免在单个页面上对资源的多个请求的主动数据推送，通过单
个
TCP
连接复用多个请求，
HTTP
头部数据压缩以及请求流水线等功能。
自推出以来，
gRPC
在
Web
服务和微服务社区中获得了极大的普及。
Dapr
也
不例外：它使用
gRPC
进行
Dapr
边车之间的通信，并为客户端与应用代码之 ...
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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.