关于Maven配置多仓库

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maven配置多个仓库

说明

maven的中央仓库很强大，绝大多数的jar都收录了。但也有未被收录的。遇到未收录的jar时，就会编译报错。   
除了maven官方提供的仓库之外，也有很多的仓库。尽可能的将可信的仓库（嗯，可信的仓库！）添加几个，弥补maven官方仓库的不足。

多仓库配置方式一：全局多仓库设置

全局多仓库设置，是通过修改maven的setting文件实现的。   
设置思路：在setting文件中添加多个profile（也可以在一个profile中包含很多个仓库），并激活（即使是只有一个可用的profile，也需要激活）。   
修改maven的setting文件，设置两个仓库（以此类推，可以添加多个）：

<profiles>
    
        <profile>
    
            
    
            <id>myRepository1</id>
    
            <repositories>
    
                <repository>
    
                    
    
                    <id>myRepository1_1</id>
    
                    
    
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
    
                    <releases>
    
                        <enabled>true</enabled>
    
                    </releases>
    
                    <snapshots>
    
                        <enabled>true</enabled>
    
                        <updatePolicy>always</updatePolicy>
    
                    </snapshots>
    
                </repository>
    
            </repositories>
    
        </profile>
    
        <profile>
    
            
    
            <id>myRepository2</id>
    
            <repositories>
    
                <repository>
    
                    
    
                    <id>myRepository2_1</id>
    
                    
    
                    <url>http://repository.jboss.org/nexus/content/groups/public-jboss/</url>
    
                    <releases>
    
                        <enabled>true</enabled>
    
                    </releases>
    
                    <snapshots>
    
                        <enabled>true</enabled>
    
                        <updatePolicy>always</updatePolicy>
    
                    </snapshots>
    
                </repository>
    
            </repositories>
    
        </profile>
    
      </profiles>
    
     
    
      <activeProfiles>
    
        
    
        <activeProfile>myRepository1</activeProfile>
    
        
    
        <activeProfile>myRepository2</activeProfile>
    
      </activeProfiles>

多仓库配置方式二：在项目中添加多个仓库

在项目中添加多个仓库，是通过修改项目中的pom文件实现的。   
思路：在项目中pom文件的repositories节点（如果没有手动添加）下添加多个repository节点，每个repository节点是一个仓库。   
修改项目中pom文件，设置两个仓库（以此类推，可以添加多个）：

<repositories>
    
            <repository>
    
                
    
                <id>jboss-repository</id>
    
                
    
                <name>jboss repository</name>
    
                
    
                <url>http://repository.jboss.org/nexus/content/groups/public-jboss/</url>
    
            </repository>
    
            <repository>
    
                
    
                <id>aliyun-repository</id>
    
                
    
                <name>aliyun repository</name>
    
                
    
                <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
    
            </repository>
    
        </repositories>

注：以上两种方式的id值均不可以为“central”。

<?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">
    
        <localRepository>/Users/yourhome/.m2/repository</localRepository>
    
        <servers>
    
            <server>
    
                <id>snapshots</id>
    
                <username>snapshot</username>
    
                <password>deploy</password>
    
            </server>
    
            <server>
    
                <id>releases</id>
    
                <username>admin</username>
    
                <password>admin123</password>
    
            </server>
    
        </servers>
    
        <mirrors>
    
            <mirror>
    
                <id>nexus</id>
    
                <name>internal nexus repository</name>
    
                <url>http://192.168.11.111:8080/nexus/content/groups/public/</url>
    
                <mirrorOf>central</mirrorOf>
    
            </mirror>
    
            
    
    	<mirror>
    
        		<id>nexus-aliyun</id>
    
       		<mirrorOf>*</mirrorOf>
    
       		<name>Nexus aliyun</name>
    
        		<url>http://maven.aliyun.com/nexus/content/groups/public</url>
    
        	</mirror>
    
        </mirrors>
    
        <profiles>
    
            <profile>
    
                <id>jdk-1.7</id>
    
                <activation>
    
                    <activeByDefault>true</activeByDefault>
    
                    <jdk>1.7</jdk>
    
                </activation>
    
                <properties>
    
                    <maven.compiler.source>1.7</maven.compiler.source>
    
                    <maven.compiler.target>1.7</maven.compiler.target>
    
                    <maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
    
                </properties>
    
            </profile>
    
            <profile>
    
                <id>downloadSources</id>
    
                <properties>
    
                    <downloadSources>true</downloadSources>
    
                    <downloadJavadocs>true</downloadJavadocs>
    
                </properties>
    
            </profile>
    
            <profile>
    
                <id>nexus</id>
    
                <repositories>
    
                    <repository>
    
                        <id>central</id>
    
                        <name>Nexus Central</name>
    
                        <url>http://192.168.11.111:8080/nexus/content/groups/public/</url>
    
                        <layout>default</layout>
    
                        <releases>
    
                            <enabled>true</enabled>
    
                        </releases>
    
                        <snapshots>
    
                            <enabled>true</enabled>
    
                        </snapshots>
    
                    </repository>
    
                </repositories>
    
                <pluginRepositories>
    
                    <pluginRepository>
    
                        <id>central</id>
    
                        <name>Nexus Central</name>
    
                        <url>http://192.168.11.111:8080/nexus/content/groups/public</url>
    
                        <layout>default</layout>
    
                        <snapshots>
    
                            <enabled>true</enabled>
    
                        </snapshots>
    
                        <releases>
    
                            <enabled>true</enabled>
    
                        </releases>
    
                    </pluginRepository>
    
                </pluginRepositories>
    
            </profile>
    
            <profile>
    
                <id>jdk-1.8</id>
    
                <activation>
    
                    <activeByDefault>true</activeByDefault>
    
                    <jdk>1.8</jdk>
    
                </activation>
    
                <properties>
    
                    <maven.compiler.source>1.8</maven.compiler.source>
    
                    <maven.compiler.target>1.8</maven.compiler.target>
    
                    <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
    
                </properties>
    
            </profile>
    
    	
    
    	<profile>
    
            
    
            <id>aliyun</id>
    
            <repositories>
    
                <repository>
    
                    
    
                    <id>myRepository1_1</id>
    
                    
    
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
    
                    <releases>
    
                        <enabled>true</enabled>
    
                    </releases>
    
                    <snapshots>
    
                        <enabled>true</enabled>
    
                        <updatePolicy>always</updatePolicy>
    
                    </snapshots>
    
                </repository>
    
            </repositories>
    
        	</profile>
    
        </profiles>
    
     
    
        <activeProfiles>
    
    	
    
    	<activeProfile>aliyun</activeProfile>
    
            <activeProfile>nexus</activeProfile>
    
            <activeProfile>jdk-1.8</activeProfile>
    
            <activeProfile>downloadSources</activeProfile>
    
        </activeProfiles>
    
    </settings>