1、默认项目地址C:\Users\User\IdeaProjects\2、JDKFile - Project Structure - SDKs项目选择JDKFile - Project Structure - Project - Project SDK3、字体大小File - Settings - Editor - Font4、UI风格File - Settings - Appearance Behavior - Appearance5、更新maven依赖右键pom.xml - Maven - Reload Project6、快捷键File - Settings - Keymap以删除一行的快捷键为例默认是ctrl Y而eclipse里是ctrl D默认模式eclipse模式7、控制台中文乱码1JDK1.8Help - Edit Custom VM Options...在文件最后添加-Dfile.encodingUTF-82JDK21升级jdk21为什么maven编译时中文乱码因为jdk会继承操作系统的默认编码Windows 中为 GBK导致乱码需要设置maven的环境参数File - Settings - Build, Execution, Deployment - Build Tools - Maven - Runner添加VM Options-Dsun.stdout.encodingUTF-8 -Dsun.stderr.encodingUTF-88、maven编译不执行testFile - Settings - Build, Execution, Deployment - Build Tools - Maven - Runner勾选Skip Tests