mac 快捷键

Command+Shift+3 电脑截屏

Command+Control+Shift+3 截取整个屏幕，保存到剪切板
Command+Shift+4 截取屏幕指定区域，并保存png文件到桌面
Command+Control+Shift+4 截取屏幕指定区域，并保存到剪切板

Command+Control+C 复制simulator

Command+Shift+4 then press Space bar = Selective App Screenshot, and save as a file
截取指定App屏幕，并保持png文件到桌面

Command+Control+Shift+4 then Space bar Capture = Selective App Screenshot, and copy to the clipboard
截取指定App屏幕，并保存到剪切板