maven 依赖原则
间接依赖路径最短优先
a->b->c1.0
a->e->f->c1.1
====>c1.0
申明顺序优先
<!-- test1 -> c1.0 -->
<dependency>
<groupId>org.test</groupId>
<artifactId>test1</artifactId>
</dependency>
<!-- test2 -> c2.0 -->
<dependency>
<groupId>org.test</groupId>
<artifactId>test2</artifactId>
</dependency>
======>c1.0