设置好远程库后，手动到阿里云库里查找相应的jar包，将jar包的<dependency>考入到pom.xml中，jar包即可自动下载到eclipse的maven库中(After setting up the remote library, manually search the corresponding jar package in the Ali cloud library. The <dependency> of the jar package is admitted to pom.xml, and the jar packet can be automatically downloaded to the Maven Library of eclipse)