本文适用于，maven和nexus都已经正常配置，但是依赖包只能依赖RELEASE不能依赖SNAPSHOT

     <mirror>            
        <id>Nexus</id>           
       <url>http://192.168.xxx.xxx/content/groups/public/</url>            
       <mirrorOf>*</mirrorOf>    
  </mirror>        
  <mirror>            
         <id>Nexus2</id>            
 <url>http://192.168.xxx.xxx/content/groups/public/</url>           
 <mirrorOf>public-snapshots</mirrorOf> // 对snapshots有效        
</mirror>
</mirrors>```

===========================================（娱乐分割线）

```   <profiles> //定义public-snapshots profile        
 <profile> 
<id>public-snapshots</id> 
<repositories>                
<repository>                    
<id>public-snapshots</id>                    
<url>http://public- snapshots
</url>                    
<releases>                        
<enabled>true</enabled>                    
</releases>                    
<snapshots>                       
 <enabled>true</enabled>                   
 </snapshots>                
</repository>            
</repositories>            
<pluginRepositories>                
<pluginRepository>                    
<id>public-snapshots</id>                    
<url>http://public-snapshots</url>                    
<releases>                        
<enabled>false</enabled>                    
</releases>                    
<snapshots>                        
<enabled>true</enabled>                    
</snapshots>                
</pluginRepository>            
</pluginRepositories>        
</profile>    
</profiles>    ```
===========================================（娱乐分割线）
```<activeProfiles>        
 <activeProfile>public-snapshots</activeProfile>     
</activeProfiles>   //使profile生效。  ```

相关指令：```mvn eclipse:eclipse```

![QQ图片20161101085642.png](http://upload-images.jianshu.io/upload_images/2501502-df66ddd0d8a452c1.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)