在命令提示符，csc不能使用，怎么办？

DXB2021

已于 2024-01-23 14:58:47 修改

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分类专栏： C# 文章标签： c#

于 2024-01-23 14:47:00 首次发布

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找到一个路径，"C:\Windows\Microsoft.NET\Framework64\v4.0.30319"，将此路径添加到环境变量。

在Windows 11里，Setting--About--Advanced System Settings--Environment Variables，双击Path。

PS C:\Users\a-xiaobodou\> csc
Microsoft (R) Visual C# Compiler version 4.8.9032.0
for C# 5
Copyright (C) Microsoft Corporation. All rights reserved.

This compiler is provided as part of the Microsoft (R) .NET Framework, but only supports language versions up to C# 5, which is no longer the latest version. For compilers that support newer versions of the C# programming language, see http://go.microsoft.com/fwlink/?LinkID=533240

warning CS2008: No source files specified
error CS1562: Outputs without source must have the /out option specified

PS C:\Users\a-xiaobodou\OneDrive - Microsoft\Projects\C#\csharpmagic\第2章> csc StringFormatDemo.cs
Microsoft (R) Visual C# Compiler version 4.8.9032.0
for C# 5
Copyright (C) Microsoft Corporation. All rights reserved.

This compiler is provided as part of the Microsoft (R) .NET Framework, but only supports language versions up to C# 5, which is no longer the latest version. For compilers that support newer versions of the C# programming language, see http://go.microsoft.com/fwlink/?LinkID=533240


PS C:\Users\a-xiaobodou\OneDrive - Microsoft\Projects\C#\csharpmagic\第2章> ./StringFormatDemo.exe
当前时间：1/23/2024 2:57:52 PM, 温度是：24.5°C。
当前日期：1/23/2024，时间：2:57 PM
  Year     Population
  2013      1,025,632
  2014      1,105,967
  2015      1,148,203

BeiJing         2024  123,456.00         32.0%
123.46
00123.400
打印大括号用法相同：
 { 和 }
 { 和 }
两个路径是相同的：
c:\china-pub\C#\sample-code
c:\china-pub\C#\sample-code