maven pox.xml 设置主入口配置节点

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
 
    <groupId>com.yuewen.lesson</groupId>
    <artifactId>yuewen.lesson</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <dependencies>
    <dependency>
           <groupId>junit</groupId>
           <artifactId>junit</artifactId>
           <version>4.11</version>
           <scope>test</scope>
       </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <configuration>
                    <!-- MainClass in mainfest make a executable jar -->
                    <archive>
                        <manifest>
                            <mainClass>study.lesson.frist.ThreeLesson</mainClass>
                        </manifest>
                    </archive>
                </configuration>
            </plugin>
        </plugins>
    </build>
 
</project>