IntelliJ IDEA(2018.3.5) 设置编码为utf-8编码

1.File->Settings->Editor->File Encodings

 

2.File->Other Settings->Default Settings ->Editor->File Encodings

 

3.将项目中的.idea文件夹中的encodings.xml文件中的编码格式改为uft-8

 

4.File->Settings->Build,Execution,Deployment -> Compiler -> Java Compiler

设置 Additional command line parameters选项为 -encoding utf-8

5.tomcat VM options 设置为 -Dfile.encoding=UTF-8