47 lines
753 B
Markdown
47 lines
753 B
Markdown
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# C# 基础入门
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## 环境确认
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- .NET SDK: `dotnet --version`
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- 编辑器: VS Code + C# Dev Kit (可选) 或 Rider
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## 常用命令
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```bash
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# 创建新项目
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dotnet new console -n MyProject
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# 运行
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dotnet run
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# 构建发布
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dotnet publish -c Release
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```
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## 基本结构
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```csharp
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using System;
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namespace MyProject
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{
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("Hello, World!");
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}
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}
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}
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```
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## 关键概念
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| 概念 | 说明 |
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|------|------|
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| `using` | 引入命名空间，类似 Python import |
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| `namespace` | 命名空间，防止命名冲突 |
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| `class` | 类，一切皆对象 |
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| `static void Main` | 程序入口点 |
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| `Console.WriteLine` | 输出到终端 |
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