UPDATE `table_name` SET `file_name` = substring_index(`file_path`, '/',-1) where `xxx`=89
将file_name替换为file_path列/后面的值
例如file_path列值为uploads/code/name.zip,则file_name值为name.zip
UPDATE `table_name` SET `file_name` = replace(`file_name`,' ','') where ...
将file_name中的tab键去掉
Google Chrome
Windows 10