# 辅助函数

扩展提供的工具函数：

* [列标字符转化](/zhong-wen-jian-ti/helper/column-index-number-string-transform.md) —— 在数字列号与 Excel 字母列号（如 `27 ↔ AA`）之间转换。
* [设置当前写入行号](/zhong-wen-jian-ti/helper/current_line_set.md) —— 手动调整下一次写入的行号。
* [获取当前写入行号](/zhong-wen-jian-ti/helper/current_line_get.md) —— 查询当前写入指针所在行。
* [获取扩展版本](/zhong-wen-jian-ti/helper/get_version.md) —— 返回已安装的扩展版本号。
* [查看作者信息](/zhong-wen-jian-ti/helper/get_author.md) —— 返回作者与联系信息。


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