maven 官网
https://maven.apache.org/

maven 下载
https://maven.apache.org/

maven 各版本下载

maven中央仓库
https://repo.maven.apache.org/maven2/

maven 搜索jar文件版本
https://mvnrepository.com/

阿里镜像官网，
https://developer.aliyun.com/mirror/

https://developer.aliyun.com/mvn/guide?spm=a2c6h.13651104.mirror-free-trial.5.7f2f6e1afL1p5p

<mirror>
    <id>aliyunmaven</id>
    <mirrorOf>*</mirrorOf>
    <name>阿里云公共仓库</name>
    <url>https://maven.aliyun.com/repository/public</url>
</mirror>