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SpringBoot Maven打包项目JAR/WAR

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08/17
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安装Maven

1. 登录 http://maven.apache.org/download.cgi

2. 下载 maven 压缩包

3. 解压apache-maven-3.6.0-bin.tar.gz 到一个目录(我这里是MAC，解压到“/Users/shongbing/Applications/apache-maven-3.6.0”)

4. 配置环境变量（MAC环境变量）

cd ~

vim .bash_profile

在最后增加两行：

export MAVEN_HOME=/Users/shongbing/Applications/apache-maven-3.6.0

export PATH=$PATH:$MAVEN_HOME/bin

source .bash_profile

5. 测试是否安装成功

mvn -v

Maven打包命令介绍

mvn clean package  依次执行了clean、resources、compile、testResources、testCompile、test、jar(打包)等７个阶段；
mvn clean install     依次执行了clean、resources、compile、testResources、testCompile、test、jar(打包)、install等8个阶段；
mvn clean deploy    依次执行了clean、resources、compile、testResources、testCompile、test、jar(打包)、install、deploy等９个阶段。

由上面的分析可知主要区别如下:

package命令完成了项目编译、单元测试、打包功能，但没有把打好的可执行jar包（war包或其它形式的包）布署到本地maven仓库和远程maven私服仓库；
install命令完成了项目编译、单元测试、打包功能，同时把打好的可执行jar包（war包或其它形式的包）布署到本地maven仓库，但没有布署到远程maven私服仓库；
deploy命令完成了项目编译、单元测试、打包功能，同时把打好的可执行jar包（war包或其它形式的包）布署到本地maven仓库和远程maven私服仓库。

配置mainClass

需要在pom.xml中增加configruation配置mainClass

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.vmware.firstappdemo.FirstAppDemoApplication</mainClass>
</configuration>
</plugin>
</plugins>
</build>

第一种：打包为JAR

1. 打开命令行进入项目根目录，运行命令：mvn -Dmaven.test.skip -U clean package

shongbing-a01:~ shongbing$ cd Downloads/first-app-demo
shongbing-a01:first-app-demo shongbing$ mvn -Dmaven.test.skip -U clean package
[INFO] Scanning for projects...
[INFO]
[INFO] ---------------------< com.vmware:first-app-demo >----------------------
[INFO] Building first-app-demo 0.0.-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:3.1.:clean (default-clean) @ first-app-demo ---
[INFO]
[INFO] --- maven-resources-plugin:3.1.:resources (default-resources) @ first-app-demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying resource
[INFO] Copying resource
[INFO]
[INFO] --- maven-compiler-plugin:3.8.:compile (default-compile) @ first-app-demo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling source files to /Users/shongbing/Downloads/first-app-demo/target/classes
[INFO]
[INFO] --- maven-resources-plugin:3.1.:testResources (default-testResources) @ first-app-demo ---
[INFO] Not copying test resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.:testCompile (default-testCompile) @ first-app-demo ---
[INFO] Not compiling test sources
[INFO]
[INFO] --- maven-surefire-plugin:2.22.:test (default-test) @ first-app-demo ---
[INFO] Tests are skipped.
[INFO]
[INFO] --- maven-jar-plugin:3.1.:jar (default-jar) @ first-app-demo ---
[INFO] Building jar: /Users/shongbing/Downloads/first-app-demo/target/first-app-demo-0.0.-SNAPSHOT.jar
[INFO]
[INFO] --- spring-boot-maven-plugin:2.1..RELEASE:repackage (repackage) @ first-app-demo ---
[INFO] Replacing main artifact with repackaged archive
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.278 s
[INFO] Finished at: --13T14::+:
[INFO] ------------------------------------------------------------------------

2. 运行jar包测试， java -jar xxxx.jar

shongbing-a01:first-app-demo shongbing$ cd target/
shongbing-a01:target shongbing$ java -jar first-app-demo-0.0.1-SNAPSHOT.jar . ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.2.RELEASE)-- ::42.805 INFO --- [ main] c.v.f.FirstAppDemoApplication : Starting FirstAppDemoApplication v0.0.1-SNAPSHOT on shongbing-a01.vmware.com with PID (/Users/shongbing/Downloads/first-app-demo/target/first-app-demo-0.0.-SNAPSHOT.jar started by shongbing in /Users/shongbing/Downloads/first-app-demo/target)
-- ::42.808 INFO --- [ main] c.v.f.FirstAppDemoApplication : No active profile set, falling back to default profiles: default
-- ::44.419 INFO --- [ main] o.s.b.web.embedded.netty.NettyWebServer : Netty started on port(s):
-- ::44.424 INFO --- [ main] c.v.f.FirstAppDemoApplication : Started FirstAppDemoApplication in 2.239 seconds (JVM running for 2.869)

第二种：打包为WAR

1. 在pom.xml的“modelVersion”后添加 <packaging>war</packaging>

2. 在目录 src/main/ 中创建目录 webapp/WEB-INF，然后在WEB-INF中添加 web.xml（内容为空）

3. 打开命令行进入项目根目录，运行命令：mvn -Dmaven.test.skip -U clean package

shongbing-a01:first-app-demo shongbing$ mvn -Dmaven.test.skip -U clean package
[INFO] Scanning for projects...
[INFO]
[INFO] ---------------------< com.vmware:first-app-demo >----------------------
[INFO] Building first-app-demo 0.0.-SNAPSHOT
[INFO] --------------------------------[ war ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:3.1.:clean (default-clean) @ first-app-demo ---
[INFO] Deleting /Users/shongbing/Downloads/first-app-demo/target
[INFO]
[INFO] --- maven-resources-plugin:3.1.:resources (default-resources) @ first-app-demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying resource
[INFO] Copying resource
[INFO]
[INFO] --- maven-compiler-plugin:3.8.:compile (default-compile) @ first-app-demo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling source files to /Users/shongbing/Downloads/first-app-demo/target/classes
[INFO]
[INFO] --- maven-resources-plugin:3.1.:testResources (default-testResources) @ first-app-demo ---
[INFO] Not copying test resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.:testCompile (default-testCompile) @ first-app-demo ---
[INFO] Not compiling test sources
[INFO]
[INFO] --- maven-surefire-plugin:2.22.:test (default-test) @ first-app-demo ---
[INFO] Tests are skipped.
[INFO]
[INFO] --- maven-war-plugin:3.2.:war (default-war) @ first-app-demo ---
[INFO] Packaging webapp
[INFO] Assembling webapp [first-app-demo] in [/Users/shongbing/Downloads/first-app-demo/target/first-app-demo-0.0.-SNAPSHOT]
[INFO] Processing war project
[INFO] Copying webapp resources [/Users/shongbing/Downloads/first-app-demo/src/main/webapp]
[INFO] Webapp assembled in [ msecs]
[INFO] Building war: /Users/shongbing/Downloads/first-app-demo/target/first-app-demo-0.0.-SNAPSHOT.war
[INFO]
[INFO] --- spring-boot-maven-plugin:2.1..RELEASE:repackage (repackage) @ first-app-demo ---
[INFO] Replacing main artifact with repackaged archive
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.981 s
[INFO] Finished at: --13T14::+:
[INFO] ------------------------------------------------------------------------

4. 运行WAR包

shongbing-a01:target shongbing$ java -jar first-app-demo-0.0.1-SNAPSHOT.war . ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.2.RELEASE)-- ::17.380 INFO --- [ main] c.v.f.FirstAppDemoApplication : Starting FirstAppDemoApplication v0.0.1-SNAPSHOT on shongbing-a01.vmware.com with PID (/Users/shongbing/Downloads/first-app-demo/target/first-app-demo-0.0.-SNAPSHOT.war started by shongbing in /Users/shongbing/Downloads/first-app-demo/target)
-- ::17.386 INFO --- [ main] c.v.f.FirstAppDemoApplication : No active profile set, falling back to default profiles: default
-- ::19.401 INFO --- [ main] o.s.b.web.embedded.netty.NettyWebServer : Netty started on port(s):
-- ::19.409 INFO --- [ main] c.v.f.FirstAppDemoApplication : Started FirstAppDemoApplication in 2.594 seconds (JVM running for 3.183)