springframework maven构建

一、spring的maven中心库

releases：

<repositories>
  <repository>
    <id>io.spring.repo.maven.release</id>
    <url>http://repo.spring.io/release/</url>
    <snapshots><enabled>false</enabled></snapshots>
  </repository>
</repositories>

milestones:

<repositories>
  <repository>
    <id>io.spring.repo.maven.snapshot</id>
    <url>http://repo.spring.io/snapshot/</url>
    <snapshots><enabled>true</enabled></snapshots>
  </repository>
</repositories>

snapshots:

<repositories>
  <repository>
    <id>io.spring.repo.maven.milestone</id>
    <url>http://repo.spring.io/milestone/</url>
    <snapshots><enabled>false</enabled></snapshots>
  </repository>
</repositories>

二、添加"Bill Of Materials"

因为经常你有可能弄不清楚或者忘记了spring的版本号依赖，所以你通过“物料清单”帮你管理依赖关系，引入物料清单

<dependencyManagement>
  <dependencies>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-framework-bom</artifactId>
        <version>4.2.5.RELEASE</version>
        <type>pom</type>
        <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

引入物料清单之后，你引入的spring就不需要带版本号了

<dependencies>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
    </dependency>
</dependencies>