1.CTRL + 滑动滚轮 调整窗口显示大小
File->Settings -> Editor -> General -> Change font size with Ctrl+Mouse wheel
2.代码编辑区显示行号
Settings -> Editor -> General -> Appearance
勾选 Show Line Numbers
标签:常用,IntelliJ,Settings,IDEA,General,Editor From: https://www.cnblogs.com/shaun88/p/17511264.html