IntelliJ IDEA Tips: Maven Setup, Code Style, Shortcuts, Plugins, and More

1. Maven configuration

1.在File->settings->搜索maven 2.Maven home directory--设置maven安装包的bin文件夹所在的位置 3.User settings file--设置setting文件所在的位置 4.Local repository--设置本地仓库

2. Set code line width in IDEA

1.在File->settings->Editor->Code Style 2.选择“Wrap when typing reaches right margin”实现自动换行 3.在File->settings->Code Style->Java中勾选“Ensure right margin is not exceeded”

3. Case‑insensitive code completion

1.打开File->settings->Editor->Code Completion 2.将Case sensitive completion设置为None

4. Force Maven dependencies update

1.手动删除Project Settings里的Libraries 2.Maven Project视图中clean，删除旧编译文件 3.右键项目->Maven->Reimport

5. IDEA configuration default location

1.C:\Users\ username \.IntelliJIdea14 为默认保存路径 2.可在%IDEA_HOME%/bin/idea.properties修改路径

6. Hide unwanted files/folders

File->Settings->File Type->Ignore files and folders 增加 *.iml, .idea

7. Switch to Eclipse keymap

File->Settings->Keymap->Keymaps改为 Eclipse copy

8. Default settings adjustments

File->Settings->Default setting

9. Common shortcut keys

Ctrl+Tab – 切换标签页 Ctrl+W – 选中上下文相关代码 Alt+Insert – 代码生成 Ctrl+Shift+A – 查找所有IDEA命令 Ctrl+Shift+Enter – 自动完成 Alt+Enter – 快速修复 Ctrl+Shift+Alt+T – 重构

10. Resolve shortcut conflicts

File->Settings->Keymap->Main menu->Edit->Find 改为 Ctrl+F / Ctrl+R

11. Show line numbers

File->Settings->Editor->General->Appearance->Show line numbers

12. Mark modified tabs with asterisk

Editor‑>General‑>Editor Tabs – 勾选 “Mark modified tabs with asterisk”

13. Disable automatic code suggestion

Preferences‑>IDE Settings‑>Editor‑>Code Completion‑>Autopopup documentation in (ms)

14. SVN sync issue fix

File‑>Settings‑>Subversion‑>General‑>Use command line client 指定 svn.exe 路径，避免路径中含空格

15. Ignore *.iml files in SVN

Editor‑>File Types‑>Ignore files and folders 增加 *.iml; .idea

16. Change editor font size

File‑>settings‑>EDITOR COLORS & FONTS‑>FONT‑>SIZE

17. IDEA encoding settings

File‑>SETTINGS‑>FILE ENCODINGS‑>IDE ENCODING / Project Encoding / Default for properties

18. Live templates

System.out.println 快捷输出: "abc".sout → System.out.println("abc");

19. Tomcat VM options

-Xms256m -Xmx512m -XX:PermSize=128m -XX:MaxPermSize=256m

20. Install plugins (e.g., FindBugs)

File‑>setting‑>plugins‑>Browse repositories 或 Install plugin from disk

21. Adjust IDEA memory parameters

%IDEA_HOME%/bin/idea.exe.vmoptions

22. Import Eclipse web project to Tomcat

在Facets中增加Web支持，在Artifacts中添加部署模块

23. Reduce CPU usage when opening JSP/Java files

File‑>settings‑>editor‑>inspection 关闭相关检查

24. Add Spring/Struts file support

Project Settings‑>Modules‑>右键项目添加相应支持

25. Auto‑compile on class change

File‑>setting‑>Build, Execution, Deployment‑>Compiler‑>Make project automatically

26. Generate serialVersionUID for Serializable classes

Preferences‑>Editor‑>Inspections‑>Serialization issues‑>Serializable class without ’serialVersionUID’ – Alt+Enter 自动生成

27. Presentation mode for distraction‑free coding

Alt+V → View → Enter Presentation Mode (退出同样操作)

28. Inject language for JSON strings

在双引号内 Alt+Enter → Inject language or reference → JSON 编辑完成后 Ctrl+F4 退出视图

29. Symbol search for method names

Ctrl+Shift+Alt+N 使用 Symbol 查找

30. Resolve Windows shortcut conflicts (e.g., Ctrl+Alt+↑)

右键桌面‑>图形选项‑>快捷键‑>禁用冲突快捷键

31. Fix comment formatting during code reformat

取消 enable javadoc formatting

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