IDEA 配合使用maven 的一些技巧

IntelliJ IDEA 配合 Maven 的一些技巧

環境

  • IntelliJ IDEA 2017.1
  • Maven 3.3.9
  • Nexus 3.2.1

學習前提

  • 瞭解 Maven 配置的基本用法
  • 瞭解私有倉庫,比如 nexus 的一些概念
  • 強烈建議把 Maven 的 settings.xml 文件同時放在:%USER_HOME%/.m2/settings.xml 和 ${maven.home}/conf/settings.xml兩個地方。避免使用終端的時候默認去調用用戶目錄下的

Maven 中的 profile

  • Maven 中有一個概念叫做:profile,它的誕生主要是爲了解決不同環境所需的不同變量、配置等問題。
  • 有了 profile,可以根據激活的條件,啓動不同條件下的配置信息。
  • profile 是可以有多個的,也可以同時激活多個 profile,方便自由組合。
  • profile 一般可以在三個地方:settings.xml,pom.xml,profiles.xml(這個不常用)
  • 在 settings.xml 上,一般大家用來做倉庫的選擇,比如以下 settings.xml 代碼:
<?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>D:\maven\my_local_repository</localRepository>

    <pluginGroups>
    </pluginGroups>

    <proxies>
    </proxies>

    <profiles>
        <profile>
            <id>nexus</id>
            <repositories>
                <repository>
                    <id>nexus</id>
                    <url>http://192.168.1.73:8081/repository/maven-public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>nexus</id>
                    <url>http://192.168.1.73:8081/repository/maven-public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
        <profile>
            <id>aliyun</id>
            <repositories>
                <repository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/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>
  • 以上代碼中 profile 就做一件事:設置全局的 profile,一個是 nexus 倉庫,一個是 aliyun 倉庫,默認激活的是 nexus 倉庫。(activeProfiles)
  • 在 pom.xml 中,一般用來激活環境配置,比如以下代碼:
<profiles>
    <profile>
        <id>dev</id>
        <properties>
            <package.environment>dev</package.environment>
        </properties>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <build>
            <resources>
                <resource>
                    <directory>src/main/resources</directory>
                    <includes>
                        <include>**/*</include>
                    </includes>
                    <filtering>true</filtering>
                </resource>
                <resource>
                    <directory>src/main/env/${package.environment}</directory>
                    <includes>
                        <include>**/*</include>
                    </includes>
                    <filtering>true</filtering>
                </resource>
            </resources>
            <finalName>${project.artifactId}</finalName>
        </build>
    </profile>
    <profile>
        <id>product</id>
        <properties>
            <package.environment>product</package.environment>
        </properties>
        <activation>
            <activeByDefault>false</activeByDefault>
        </activation>
        <build>
            <resources>
                <resource>
                    <directory>src/main/resources</directory>
                    <includes>
                        <include>**/*</include>
                    </includes>
                    <filtering>true</filtering>
                </resource>
                <resource>
                    <directory>src/main/env/${package.environment}</directory>
                    <includes>
                        <include>**/*</include>
                    </includes>
                    <filtering>true</filtering>
                </resource>
            </resources>
            <finalName>${project.artifactId}</finalName>
        </build>
    </profile>
</profiles>
  • 以上代碼中 profile 就做一件事:打包的時候,默認是 dev 模式,打包 src/main/env/dev 下的配置文件,如果選擇 product 則打包 src/main/env/product 下的配置文件

IntelliJ IDEA 使用 Maven Profile 的案例

  • 在 IntelliJ IDEA 上調用 profile 簡單,如下圖勾選對應的複選框即可,可以多選。

IntelliJ IDEA 配合 Maven 的一些技巧

  • 只使用 aliyun 倉庫可以這樣配置 settings.xml:
<?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>D:\maven\my_local_repository</localRepository>

    <pluginGroups>
    </pluginGroups>

    <proxies>
    </proxies>

    <profiles>
        <profile>
            <id>aliyun</id>
            <repositories>
                <repository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
    </profiles>

    <activeProfiles>
        <activeProfile>aliyun</activeProfile>
    </activeProfiles>

</settings>
  • 使用 nexus + aliyun 倉庫可以這樣配置 settings.xml:
<?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>D:\maven\my_local_repository</localRepository>

    <pluginGroups>
    </pluginGroups>

    <proxies>
    </proxies>

    <profiles>
        <profile>
            <id>nexus</id>
            <repositories>
                <repository>
                    <id>nexus</id>
                    <url>http://192.168.1.73:8081/repository/maven-public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>nexus</id>
                    <url>http://192.168.1.73:8081/repository/maven-public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
        <profile>
            <id>aliyun</id>
            <repositories>
                <repository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>aliyun</id>
                    <url>http://maven.aliyun.com/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>
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