mvn compile
compile编译命令将src/main/java和src/main/resources中的代码和配置文件编译到target/classes中,不会对src/test/java中的测试类进行编译
MVN编译使用
maven-resources-plugin:2.6:resources
maven-compiler-plugin:2.5.1:compile
mvn test
test命令首先将src/test/java中的测试代码编译到target/test-classes中,然后执行target/test-classes中的单元测试类,将单元测试的执行结果文件保存到target/surefire-reports目录中,这些文件是junit帮助生成的,详细记录了单元测试的类,方法以及单元测试失败的异常信息
mvn测试命令使用
maven-resources-plugin:2.6:testResources
maven-compiler-plugin:2.5.1:compile
maven-surefire-plugin:2.12.4:test
mvn clean
mvn compile采取增量编译的方式,如果classes目录下已经编译过某个类或者单元测试类,而此时这些类没有变化,那么mvn compile不会重新编译这些类,那么如果让这些类重新编译,需要将target/classes,target/test-classes目录下的类清除,这就是mvn clean的工作。它使用maven-clean-plugin:2.5 clean执行clean操作,操作结果如下:
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ LearnMaven --- [INFO] Deleting /home/tom/development/learnmaven/maven-ch01/target [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3.837 s [INFO] Finished at: 2014-08-02T08:22:40+08:00 [INFO] Final Memory: 9M/108M [INFO] -----------------------------------------------------------------------
mvn package
mvn package包含了编译的步骤,它是将
1. 将src/main/java中的代码编译到target/classes路径下
2. 将src/main/resources中的资源文件编译到target/classes路径下
3. 将src/test/java中的代码编译到target/test-classes路径下
4. 将src/test/resources中的资源文件编译到target/test-classes路径下
5. 默认打包成jar,包中不包含测试类的输出,输出信息如下
hadoop-os:~/development/learnmaven/maven-ch01$ mvn package [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building LearnMaven 1.0 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ LearnMaven --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] Copying 0 resource [INFO] [INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ LearnMaven --- [WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent! [INFO] Compiling 1 source file to /home/tom/development/learnmaven/maven-ch01/target/classes [INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ LearnMaven --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory /home/tom/development/learnmaven/maven-ch01/src/test/resources [INFO] [INFO] --- maven-compiler-plugin:2.5.1:testCompile (default-testCompile) @ LearnMaven --- [WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent! [INFO] Compiling 1 source file to /home/tom/development/learnmaven/maven-ch01/target/test-classes [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ LearnMaven --- [INFO] Surefire report directory: /home/tom/development/learnmaven/maven-ch01/target/surefire-reports ------------------------------------------------------- T E S T S ------------------------------------------------------- Running com.tom.HelloMavenTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.109 sec Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
mvn install
将Maven模块添加到本地仓库中,
hadoop-os:~/development/learnmaven/maven-ch01$ mvn install [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building LearnMaven-ch01 1.0 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ LearnMaven-ch01 --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] Copying 0 resource [INFO] [INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ LearnMaven-ch01 --- [WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent! [INFO] Compiling 1 source file to /home/tom/development/learnmaven/maven-ch01/target/classes [INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ LearnMaven-ch01 --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory /home/tom/development/learnmaven/maven-ch01/src/test/resources [INFO] [INFO] --- maven-compiler-plugin:2.5.1:testCompile (default-testCompile) @ LearnMaven-ch01 --- [WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent! [INFO] Compiling 1 source file to /home/tom/development/learnmaven/maven-ch01/target/test-classes [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ LearnMaven-ch01 --- [INFO] Surefire report directory: /home/tom/development/learnmaven/maven-ch01/target/surefire-reports ------------------------------------------------------- T E S T S ------------------------------------------------------- Running com.tom.HelloMavenTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.106 sec Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 [INFO] [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ LearnMaven-ch01 --- [INFO] Building jar: /home/tom/development/learnmaven/maven-ch01/target/LearnMaven-ch01-1.0.jar [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ LearnMaven-ch01 --- [INFO] Installing /home/to/mdevelopment/learnmaven/maven-ch01/target/LearnMaven-ch01-1.0.jar to /home/tom/.m2/repository/LearnMaven/LearnMaven-ch01/1.0/LearnMaven-ch01-1.0.jar [INFO] Installing /home/tom/development/learnmaven/maven-ch01/pom.xml to /home/tom/.m2/repository/LearnMaven/LearnMaven-ch01/1.0/LearnMaven-ch01-1.0.pom [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.464 s [INFO] Finished at: 2014-08-02T09:26:51+08:00 [INFO] Final Memory: 15M/169M [INFO] ------------------------------------------------------------------------
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