maven手动将jar包导入到本地仓库（支持多个仓库选择）

正常我们在用maven搭建项目时，我们只需要将项目所需要的依赖配置到maven的配置文件pom.xml中即可，maven就可以去网上将jar包下载到配置的本地仓库中去。所以一般情况下我们是不需要手动安装jar包的。一些特殊情况除外，比如oracle的驱动jar包，由于授权问题，maven不能直接下载oracle的驱动jar包，这时就需要我们手动安装了！网上的例子也大部分以Oracle11的驱动包ojdbc6.jar为例。网上给的例子大致有两种，如下：

mvn install:install-file -Dfile=C:/ojdbc6.jar -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=6.0 -Dpackaging=jar

mvn install:install-file -Dfile=ojdbc6.jar -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=6.0 -Dpackaging=jar

在这里解释一下这两种写法，命令 mvn install:install-file 这是maven安装jar包开头写法 -DgroudId对应pom.xml中的groupId,-artifact对应pom.xml中的artifactId,-Dversion对应的是pom.xml的version，-Dpackaging对应的是文件格式，jar或者war。-Dfile对应的是文件位置。如果直接写-Dfile=ojdbc6.jar的话，代表dos的目录就应该是你ojdbc6.jar的目录，比如

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如果在D盘根目录下的话，ojdbc6.jar就应该在这个目录下，才可以写-Dfile=ojdbc6.jar，否则要写明文件位置。这两种写法，在如果本地只有一个maven仓库时，都没有问题，但如果有两个或者以上仓库的时候，都没有给出说明，如果还是按照上述命令安装的话，都会安装到默认的本地仓库中去，这时我们就应该给出一个命令-Dmaven.repo.local来指定本地仓库的目录，这样的话想安装到哪个本地仓库，就由我们自己选择了，整体命令如下：

mvn install:install-file -Dmaven.repo.local=本地仓库位置 -DgroupId=指定Jar包的开发团队，一般为公司域名倒写去掉www开头。例如百度就是com.baidu等 -DartifactId=开发的项目名称 -Dversion=文件版本 -Dpackaging=文件格式 jar/war -Dfile=文件位置

所以我们在了解了命令的意思之后，自己写的话就完全没有问题了，不要每次都是直接百度copy，然后什么意思自己也不知道，那样永远也没有提高！