November 2021
Beginner to intermediate
239 pages
4h 15m
Chinese
Content preview from Dapr学习手册
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简介
｜
33
0.4.1
从
gRPC
客户端调用应用程序
在本部分中，我们将创建一个
gRPC
客户端，该客户端调用了我们的
Hello
，
World
服务中
/greeting
方法。
我们将使用在本介绍中看到的第四种编程语
言：
C#
。
Dapr
与语言无关，为了证明这一点，我们希望在本书中涵盖尽可能多的编
程语言。
幸运的是，现代编程语言通常可读性都很强。
0.4.1.1
先决条件
要完成以下练习，你需要准备：
• .NET Core SDK
（
https://oreil.ly/AmV0J
）
2.2
或更高版本。
• Visual Studio 2013
或更高版本，或
Visual Studio Code
（我们已经使用
Visual Studio 2017
和
Visual Studio 2019
测试过了以下的步骤）。
• Git
客户端。
0.4.1.2
克隆
Dapr
仓库
由于我们要自动生成
gRPC
客户端，因此需要访问
Dapr
的
Protobuf
定义文件
（通常使用扩展名
.
proto
）。
你可以通过克隆
dapr/dapr
的
GitHub
代码库来
获得该文件：
git clone https://github.com/dapr/dapr.git
由于
Dapr
的代码库是基于
Go
语言，因此按照
Go
语言的约定，你应该将仓
库克隆到本地
$GOPATH/src/github.com/dapr/dapr
的目录中。
0.4.1.3
创建客户端应用程序
我们将使用
Visual ...
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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.