set linux2021-12-25 10:32:37 set -u Treat unset variables as an error when substituting bash默认变量为空和未设置无区别 开启-u选项后,则产生区别 set linux上一篇:引用thinkcmf的api时more字段无法正确传值的问题下一篇:C#队列学习笔记:RabbitMQ优先级队列