if (len1 === 0) return [];
src / dst 的 width 和 height 必须是 偶数
（五）收货人的名称或者关于收货人的指示说明；，推荐阅读爱思助手下载最新版本获取更多信息
Author(s): Je-hyun Lee, Taihoon Kim, Yong-Chae Chung。WPS官方版本下载对此有专业解读
{ value: undefined, writable: false }
Lipgloss is handy - you can give it two strings and say “join these together vertically, making sure that they’re both left-aligned” and it’ll do that even if the strings have different widths. It’s built for the terminal, so it knows how to handle ansi escape codes and double-width characters and the like.，更多细节参见WPS下载最新地址