废话很少说,直接进入主题。html
首先建立项目,名称为 test:java
mkdir test && cd test gradle init
这时候的项目结构以下:mysql
➜ test tree . ├── build.gradle ├── gradle │ └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle 2 directories, 6 files
而后,建立多个模块,这里以 core 和 web 模块为例,先建立两个目录:git
mkdir -p core/src/main/java mkdir -p core/src/test/java mkdir -p web/src/main/java mkdir -p web/src/test/java
这时候的项目结构以下:github
➜ test tree . ├── build.gradle ├── core │ └── src │ ├── main │ │ └── java │ └── test │ └── java ├── gradle │ └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── web └── src ├── main │ └── java └── test └── java 14 directories, 6 files
接下来修改根目录下的 settings.gradle 文件,引入子模块:web
include 'core','web'
修改根目录下的 build.gradle:spring
// 全部子项目的通用配置 subprojects { apply plugin: 'java' apply plugin: 'eclipse' apply plugin: 'idea' version = '1.0' // JVM 版本号要求 sourceCompatibility = 1.7 targetCompatibility = 1.7 // java编译的时候缺省状态下会由于中文字符而失败 [compileJava,compileTestJava,javadoc]*.options*.encoding = 'UTF-8' //定义版本号 ext { springVersion = '3.2.11.RELEASE' hibernateVersion='4.3.1.Final' } repositories { mavenCentral() } jar { manifest { attributes("Implementation-Title": "Gradle") } } configurations { // 全部须要忽略的包定义在此 all*.exclude group: 'commons-httpclient' all*.exclude group: 'commons-logging' all*.exclude group: 'commons-beanutils', module: 'commons-beanutils' } dependencies { // 通用依赖 compile( "org.springframework:spring-context:$springVersion", "org.springframework:spring-orm:$springVersion", "org.springframework:spring-tx:$springVersion", "org.springframework.data:spring-data-jpa:1.5.2.RELEASE", "org.hibernate:hibernate-entitymanager:$hibernateVersion", "c3p0:c3p0:0.9.1.2", "mysql:mysql-connector-java:5.1.26", "org.slf4j:slf4j-nop:1.7.6", "commons-fileupload:commons-fileupload:1.3.1", "com.fasterxml.jackson.core:jackson-databind:2.3.1" ) // 依赖maven中不存在的jar ext.jarTree = fileTree(dir: 'libs', include: '**/*.jar') ext.rootProjectLibs = new File(rootProject.rootDir, 'libs').getAbsolutePath() ext.jarTree += fileTree(dir: rootProjectLibs, include: '**/*.jar') compile jarTree // 测试依赖 testCompile( "org.springframework:spring-test:$springVersion", "junit:junit:4.11" ) } // 显示当前项目下全部用于 compile 的 jar. task listJars(description: 'Display all compile jars.') << { configurations.compile.each { File file -> println file.name } } }
接下来能够修改 core/build.gradle 来定义 core 模块的依赖:sql
// jar包的名字 archivesBaseName = 'core' // 还能够定义其余配置,这里直接继承父模块中的配置
web 模块须要依赖 core 模块,故定义 web/build.gradle 以下:apache
apply plugin:"war" dependencies{ // 依赖 core 模块 compile project(":core") compile( "org.springframework:spring-webmvc:$springVersion", "org.apache.taglibs:taglibs-standard-impl:1.2.1" ) //系统提供的依赖 providedCompile( "javax.servlet:javax.servlet-api:3.1.0", "javax.servlet.jsp:jsp-api:2.2.1-b03", "javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.1" ) } task jarWithoutResources(type: Jar) { baseName project.name from("$buildDir/classes/main") } war{ dependsOn jarWithoutResources from("$projectDir/src/main/resources") { include "*.properties" into("WEB-INF/classes") } classpath=classpath - sourceSets.main.output classpath fileTree(dir:libsDir, include:"${project.name}-${version}.jar") } task('jarPath')<<{ configurations.runtime.resolve().each { print it.toString()+";" } println(); }
查看全部 jar:api
$ gradle listJars
查看各个模块的依赖:
$ gradle :core:dependencies $ gradle :web:dependencies
编译全部模块:
$ gradle build
对比一下,这时候的目录以下:
➜ test tree . ├── build.gradle ├── core │ ├── build │ │ ├── libs │ │ │ └── core-1.0.jar │ │ └── tmp │ │ └── jar │ │ └── MANIFEST.MF │ └── src │ ├── main │ │ └── java │ └── test │ └── java ├── gradle │ └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── web ├── build │ ├── libs │ │ ├── web-1.0.jar │ │ └── web-1.0.war │ └── tmp │ ├── jarWithoutResources │ │ └── MANIFEST.MF │ └── war │ └── MANIFEST.MF ├── build.gradle └── src ├── main │ └── java └── test └── java 23 directories, 13 files
gradle dependencies > depend.log
[compileJava,compileTestJava,javadoc]*.options*.encoding = 'UTF-8'
修改 .gitignore 忽略该目录:
*.sw? .#* *# *~ .classpath .project .settings bin build target dependency-reduced-pom.xml *.sublime-* /scratch .gradle README.html .idea *.iml
在顶级目录增长一个 libs 文件夹,这个文件夹里面的 jar 是对全部项目都起做用的。
若是是某个项目自用的,则能够在该项目的 source 下面建立个 libs,具体实现是在顶级目录下的 build.gradle 中:
ext.jarTree = fileTree(dir: 'libs', include: '**/*.jar') ext.rootProjectLibs = new File(rootProject.rootDir, 'libs').getAbsolutePath() ext.jarTree += fileTree(dir: rootProjectLibs, include: '**/*.jar') compile jarTree
暂时尚未这样的需求,详细说明请参考 jar 包定义外移
buildDir = "target" version = '1.0'
gradle task -P profile=development
idea { module { downloadJavadoc = false downloadSources = false } }