C# 复合格式字符串

• https://learn.microsoft.com/zh-cn/dotnet/standard/base-types/composite-formatting
• https://learn.microsoft.com/zh-cn/dotnet/standard/base-types/composite-formatting#composite-format-string
• https://learn.microsoft.com/zh-cn/dotnet/standard/base-types/composite-formatting#format-item-syntax
• https://learn.microsoft.com/zh-cn/dotnet/csharp/language-reference/tokens/interpolated
• https://blog.csdn.net/a2333333333333/article/details/102400657
• https://www.cnblogs.com/gxwa/p/9798141.html
• https://zhuanlan.zhihu.com/p/659794712
• https://www.cnblogs.com/xu-yi/p/10969586.html
• https://blog.csdn.net/jeromewolf/article/details/7520623
• https://learn.microsoft.com/zh-cn/dotnet/api/system.string.format?view=net-7.0
• https://www.cnblogs.com/GreenLeaves/p/9171455.html