idea安装

mac安装路径
/Users/xxx/Library/Application Support/JetBrains/IntelliJIdeaxxx版本
将路径内文件直接复制到新版本即可, 注意如果为破解版idea.vmoptions配置中的内容是否添加或删除

maven配置如果使用idea, 需要在应用程序IntelliJ IDEA.app中显示包内容, /Applications/IntelliJ IDEA.app/Contents/plugins/maven/lib/maven3/conf/settings.xml注释掉以下内容, 避免无法下载jar包内容

<!-- mirror| Specifies a repository mirror site to use instead of a given repository. The repository that| this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used| for inheritance and direct lookup purposes, and must be unique across the set of mirrors.|<mirror><id>mirrorId</id><mirrorOf>repositoryId</mirrorOf><name>Human Readable Name for this Mirror.</name><url>http://my.repository.com/repo/path</url></mirror><mirror><id>maven-default-http-blocker</id><mirrorOf>external:http:*</mirrorOf><name>Pseudo repository to mirror external repositories initially using HTTP.</name><url>http://0.0.0.0/</url><blocked>true</blocked></mirror>-->