代码自动补全：eclipse-Codota idea-Tabnine
彩虹括号：idea-Rainbow Brackets
批量生成代码：GenerateAllSetter
快捷键提示与设置：Key Promoter X 
mybatis 映射：Free Mybatis plugin
代码规范：Alibaba Java Coding Guidelines
mybatis sql打印：MyBatisCodeHelperPro
调用时序图：SequenceDiagram

IDEA 常用好用的插件