1、maven 设置阿里云代理
<mirror>
<id>aliyunmaven</id>
<mirrorOf>*</mirrorOf>
<name>aliyun maven</name>
<url>https://maven.aliyun.com/repository/public</url>
</mirror>
https://www.cnblogs.com/teng-xia/p/12976515.html
https://blog.csdn.net/yelang0/article/details/97747862?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.control
其中idea设置aspectjtools.jar时,是Java安装aspectj时生成的jar包