1、maven包查询：

   http://mvnrepository.com/ 

2、maven公共仓库 ：

   http://maven.aliyun.com/nexus/content/groups/public/

   http://repo1.maven.org/maven2

   http://mirrors.ibiblio.org/pub/mirrors/maven2/ 

   http://gradle.artifactoryonline.com/gradle/libs

   http://gradle.artifactoryonline.com/gradle/plugins

   http://google-maven-repository.googlecode.com/svn/repository    http://maven.springframework.org/release    http://maven.springframework.org/milestone    http://repository.codehaus.org    http://repository.jboss.org/nexus/content/groups/public-jboss    http://repo.jfrog.org/artifactory/plugins-releases-local    http://repo.jfrog.org/artifactory/libs-releases-local    http://www.intalio.org/public/maven2/

   http://www.jarvana.com/jarvana/browse/

   http://maven.alfresco.com/nexus/content/groups/public