在Windows操作系统中，使用命令提示符（CMD）获取昨天的日期格式 yyyy-mm-dd 是一件非常简单的事情。以下是一些步骤和命令，可以帮助你轻松实现这一目标。
步骤一：打开命令提示符
- 按下
Win + R快捷键，打开“运行”对话框。 - 输入
cmd并按下Enter键，打开命令提示符窗口。
步骤二：使用 wmic 命令
wmic 是 Windows Management Instrumentation Command-line 的缩写，它允许你使用命令行来查询系统信息。以下是一个获取昨天日期的命令：
wmic OS Get localdatetime /value
执行这个命令后，你将得到一个日期时间值，格式为 yyyy-mm-ddTHH:MM:SS.dddZ。这里的 T 是日期和时间的分隔符，Z 表示这是一个UTC时间。
步骤三：提取日期部分
由于 wmic 命令返回的日期时间值包含了小时、分钟和秒，我们需要提取出日期部分。以下是一个简单的命令，用于提取日期：
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