项目使用 Visual Studio 构建良好，但从命令行失败

问题描述

我有一个解决方案，在通过 Visual Studio 2015 运行时构建良好，但是当我从命令行运行时遇到错误

I have a solution which builds fine when running through Visual Studio 2015 but when I run from the command line I run into the error

错误 CS1056:此行出现意外字符$"

error CS1056: Unexpected character '$' on this line

var CutOffTextFragment = deadLineTime.Deadline.Minute == 0 ? $"{deadLineTime.Deadline:htt}" : $"{deadLineTime.Deadline:h:mmtt}"

deadLineTime.Deadline 是一个 DateTime 对象，代码将返回 XAM/PM 或 X:XXAM/PM

deadLineTime.Deadline is a DateTime object, the code will return either XAM/PM or X:XXAM/PM

我认为这是因为构建脚本没有使用 C#6.目前此脚本无法更改为使用 c# 6

I think this is occuring becuase the build script is not using C#6. At present this script cant be changed to use c# 6

如果是这种情况，任何人都可以帮我贬低代码以便它与 C# 5 一起使用

If this is the case, can anyone help me depreciate the code so it works with C# 5

推荐答案

$可以转换成string.format.

$ can be converted to string.format.

var CutOffTextFragment = deadLineTime.Deadline.Minute == 0 
                         ? 
                         string.Format("{0:htt}",deadLineTime.Deadline) 
                         : 
                         string.Format("{0:h:mmtt}", deadLineTime.Deadline);

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