我不认为回车键会返回"\ n"，但会返回"\ r"或回车.您可能也没有意识到，但是笛卡尔坐标的默认值是等于Y轴的行和等于X的列，如此处所述 [^ ].

I don''t think the enter key returns ''\n'', but ''\r'' or carriage return. You may also not be aware but the default for Cartesian co-ordinates is rows equate to the Y-axis and columns to X, as described here[^].