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文章格式不好調，我是現在word里面寫的，貼上來樣式都變了，把原稿提供給大家下載吧，轉載的話，請大家提供出處，尊重一下我的勞動成果：http://cangzhitao.com/wp-content/uploads/2012/04/Nexus-Install.doc
1、  下載Nexus：http://www.sonatype.org/downloads/nexus-2.0.3-bundle.tar.gz ，我所下的是帶Web容器的bundle包，解壓后有兩個目錄nexus-2.0.3為Nexus運行時所需要的文件，sonatype-work包含配置文件、日志文件、倉庫文件等，備份時我們備份sonatype-work目錄就行了；

2、  啟動Nexus F:\Program Files\nexus-2.0.3\bin\jsw\windows-x86-32\nexus.bat，打開瀏覽器訪問http://localhost:8081/nexus就能看到Nexus界面，默認是匿名訪問，管理員默認用戶名密碼為admin/admin123；

3、  用管理員登陸，點擊左邊欄的Views/Repositories中的Repositories，找到Apache Snapshots，將下面的選項卡切換到Configuration，將Download Remote Indexes置為true，同樣將Codehaus Snapshots，Central進行相同設置，保存后，將剛才的三個倉庫，選中repaire index，更新并下載遠程索引；

4、  修改<mirror>打開主目錄下的settings.xml，在mirriors節點下面添加
<mirror>

<id>nexus</id>

<mirrorOf>*</mirrorOf>

<url>http://localhost:8081/nexus/content/groups/public</url>

</mirror>

修改<profiles，在節點profiles下面添加
<profile>

<id>nexus</id>

<repositories>

<repository>

<id>nexus</id>

<name>Nexus</name>

<url>http://localhost:8081/nexus/content/groups/public/</url>

<releases><enabled>true</enabled></releases>

<snapshots><enabled>true</enabled></snapshots>

</repository>

</repositories>

<pluginRepositories>

<pluginRepository>

<id>nexus</id>

<name>Nexus</name>

<url>http://localhost:8081/nexus/content/groups/public/</url>

<releases><enabled>true</enabled></releases>

<snapshots><enabled>true</enabled></snapshots>

</pluginRepository>

</pluginRepositories>

</profile>

修改<activeProfiles>節點
<activeProfiles>

<activeProfile>nexus</activeProfile>

</activeProfiles>

如果要發布jar包到私服，還需要配置<servers>節點
<server>

<id>releases</id>

<username>admin</username>

<password>admin123</password>

</server>

<server>

<id>snapshots</id>

<username>admin</username>

<password>admin123</password>

</server>

配置完，整個文件如下（節省空間，去除了注釋）：
<?xml version=”1.0″ encoding=”UTF-8″?>

<settings xmlns=”http://maven.apache.org/SETTINGS/1.0.0″

xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”

xsi:schemaLocation=”http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd”>

<pluginGroups>

</pluginGroups>

</proxies>

<servers>

<server>

<id>releases</id>

<username>admin</username>

<password>admin123</password>

</server>

<server>

<id>snapshots</id>

<username>admin</username>

<password>admin123</password>

</server>

</servers>

<mirrors>

<mirror>

<id>nexus</id>

<mirrorOf>*</mirrorOf>

<url>http://localhost:8081/nexus/content/groups/public</url>

</mirror>

</mirrors>

<profiles>

<profile>

<id>nexus</id>

<repositories>

<repository>

<id>nexus</id>

<name>Nexus</name>

<url>http://localhost:8081/nexus/content/groups/public/</url>

<releases><enabled>true</enabled></releases>

<snapshots><enabled>true</enabled></snapshots>

</repository>

</repositories>

<pluginRepositories>

<pluginRepository>

<id>nexus</id>

<name>Nexus</name>

<url>http://localhost:8081/nexus/content/groups/public/</url>

<releases><enabled>true</enabled></releases>

<snapshots><enabled>true</enabled></snapshots>

</pluginRepository>

</pluginRepositories>

</profile>

</profiles>

<activeProfiles>

<activeProfile>nexus</activeProfile>

</activeProfiles>

</settings>

5、  配置完，eclipse首先會在私服尋找jar包，找不到將回到公共倉庫尋找下載到私服，再下載到本地。如果要發布jar包到私服，在pom.xml里面加上如下配置：

<distributionManagement>

<repository>

<id>releases</id>

<name>Nexus Releases Respository</name>

<url>http://localhost:8081/nexus/content/repositories/releases</url>

</repository>

<snapshotRepository>

<id>snapshots</id>

<name>Nexus Snapshots Repository</name>

<url>http://localhost:8081/nexus/content/repositories/snapshots</url>

</snapshotRepository>

</distributionManagement>

maven在項目執行clean deploy命令時，將會部署到私服對應的Releases或Snapshots倉庫

6、  Nexus的3rd party可以讓我們直接上傳jar包到私服，選擇3rd party倉庫，點擊Artifact Upload選項卡，選擇GAV Parameters，填入相關jar包版本信息，選中上傳后，即可以在maven使用上傳的jar包