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jar包:通常是开发时要引用通用类,打成包便于存放管理。
直接执行jar的方法:
1.当有Main-Class (/META-INF/MANIFEST.MF)
java -jar name.jar
2.没有Main-Class
java -cp name.jar package.ClassName
一、怎么通过MAVEN设置jar的主程序入口?
- <plugin>
- <!-- JAR Maven 管理-->
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-jar-plugin</artifactId>
- <version>3.1.0</version>
- <configuration>
- <archive>
- <manifest>
- <!-- 配置主程序 java -jar 默认Class -->
- <addClasspath>true</addClasspath>
- <classpathPrefix>lib/</classpathPrefix>
- <mainClass>javacore.Test</mainClass>
- </manifest>
- </archive>
- </configuration>
- </plugin>
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二、怎么把pom.xml的依赖打进jar包?
- <!-- maven 打包集成插件 -->
- <plugin>
- <artifactId>maven-assembly-plugin</artifactId>
- <executions>
- <execution>
- <phase>package</phase>
- <goals>
- <goal>single</goal>
- </goals>
- </execution>
- </executions>
- <configuration>
- <descriptorRefs>
- <!-- 将依赖一起打包到 JAR -->
- <descriptorRef>jar-with-dependencies</descriptorRef>
- </descriptorRefs>
- </configuration>
- </plugin>
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完整的pom.xml
- <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
- <modelVersion>4.0.0</modelVersion>
- <groupId>www.JavaCoreTest</groupId>
- <artifactId>JavaCoreTest-javaTest</artifactId>
- <packaging>jar</packaging>
- <version>1.0</version>
- <name>JavaCoreTest Maven Webapp</name>
- <properties>
- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <spring.version>4.1.3.RELEASE</spring.version>
- <quartz.version>2.2.1</quartz.version>
- <activiti.version>5.16.3</activiti.version>
- </properties>
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <configuration>
- <source>1.8</source>
- <target>1.8</target>
- </configuration>
- </plugin>
- <plugin>
- <!-- JAR Maven 管理-->
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-jar-plugin</artifactId>
- <version>3.1.0</version>
- <configuration>
- <archive>
- <manifest>
- <!-- 配置主程序 java -jar 默认Class -->
- <addClasspath>true</addClasspath>
- <classpathPrefix>lib/</classpathPrefix>
- <mainClass>javacore.Test</mainClass>
- </manifest>
- </archive>
- </configuration>
- </plugin>
-
- <!-- maven 打包集成插件 -->
- <plugin>
- <artifactId>maven-assembly-plugin</artifactId>
- <executions>
- <execution>
- <phase>package</phase>
- <goals>
- <goal>single</goal>
- </goals>
- </execution>
- </executions>
- <configuration>
- <descriptorRefs>
- <!-- 将依赖一起打包到 JAR -->
- <descriptorRef>jar-with-dependencies</descriptorRef>
- </descriptorRefs>
- <archive>
- <manifest>
- <!-- 配置主程序 java -jar 默认Class -->
- <addClasspath>true</addClasspath>
- <classpathPrefix>lib/</classpathPrefix>
- <mainClass>javacore.Test</mainClass>
- </manifest>
- </archive>
- </configuration>
- </plugin>
-
- </plugins>
- <finalName>JavaCoreTest</finalName>
- </build>
-
- <dependencies>
- <dependency>
- <groupId>com.alibaba</groupId>
- <artifactId>fastjson</artifactId>
- <version>1.1.41</version>
- </dependency>
- <dependency>
- <groupId>mysql</groupId>
- <artifactId>mysql-connector-java</artifactId>
- <version>6.0.6</version>
- </dependency>
- </dependencies>
-
-
- </project>
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