13.4. Ant

使用Apache Ant+Ivy构建Spring Boot项目是完全可能的。spring-boot-antlib AntLib模块能够帮助Ant创建可执行jars，一个传统的用于声明依赖的ivy.xml文件可能如下所示：

  1. <ivy-module version="2.0">
  2.     <info organisation="org.springframework.boot" module="spring-boot-sample-ant" />
  3.     <configurations>
  4.         <conf name="compile" description="everything needed to compile this module" />
  5.         <conf name="runtime" extends="compile" description="everything needed to run this module" />
  6.     </configurations>
  7.     <dependencies>
  8.         <dependency org="org.springframework.boot" name="spring-boot-starter"
  9.             rev="${spring-boot.version}" conf="compile" />
  10.     </dependencies>
  11. </ivy-module>

同样，一个传统的build.xml可能是这样的：

  1. <project
  2.     xmlns:ivy="antlib:org.apache.ivy.ant"
  3.     xmlns:spring-boot="antlib:org.springframework.boot.ant"
  4.     name="myapp" default="build">
  6.     <property name="spring-boot.version" value="1.3.0.BUILD-SNAPSHOT" />
  8.     <target name="resolve" description="--> retrieve dependencies with ivy">
  9.         <ivy:retrieve pattern="lib/[conf]/[artifact]-[type]-[revision].[ext]" />
  10.     </target>
  12.     <target name="classpaths" depends="resolve">
  13.         <path id="compile.classpath">
  14.             <fileset dir="lib/compile" includes="*.jar" />
  15.         </path>
  16.     </target>
  18.     <target name="init" depends="classpaths">
  19.         <mkdir dir="build/classes" />
  20.     </target>
  22.     <target name="compile" depends="init" description="compile">
  23.         <javac srcdir="src/main/java" destdir="build/classes" classpathref="compile.classpath" />
  24.     </target>
  26.     <target name="build" depends="compile">
  27.         <spring-boot:exejar destfile="build/myapp.jar" classes="build/classes">
  28.             <spring-boot:lib>
  29.                 <fileset dir="lib/runtime" />
  30.             </spring-boot:lib>
  31.         </spring-boot:exejar>
  32.     </target>
  33. </project>

注 如果你不想使用spring-boot-antlib模块，那查看Section 81.10, “Build an executable archive from Ant without using spring-boot-antlib”获取更多指导。