Note that this specifier never displays the '0' character if it is not a significant digit, even if '0' is the only digit in the string.

请注意，如果“0”不是有效数字，此说明符永不显示“0”字符，即使“0”是字符串中唯一的数字。

youdao

Note that this specifier never displays the '0' character if it is not a significant digit, even if '0' is the only digit in the string.

请注意，如果“0”不是有效数字，此说明符永不显示“0”字符，即使“0”是字符串中唯一的数字。

youdao