maven官网 https://maven.apache.org/
清华大学开源镜像 https://mirrors.tuna.tsinghua.edu.cn/
<mirror> <id>nexus-aliyun</id> <mirrorOf>*,!jeecg,!jeecg-snapshots</mirrorOf> <name>Nexus aliyun</name> <url>http://maven.aliyun.com/nexus/content/groups/public</url> </mirror> lRepository>D:\environment\apache-maven-3.6.1\mavenrepo</localRepository>
1.创建maven项目 从原型中创建webapp
next!修改maven路径 配置文件路径 本地仓库路径3.finish!
4.idea 中设置setting —>File | Settings | Build, Execution, Deployment—>maven