maven 资源

1、maven包查询：
   http://mvnrepository.com/
2、maven公共仓库
   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://download.java.net/maven/1
   http://download.java.net/maven/2
   http://repo1.maven.org/maven2