maven中指定main方法并且导入关联jar包，拷贝依赖包

<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>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-dependency-plugin</artifactId>
				<version>2.4</version>
				<executions>
					<execution>
						<id>copy-dependencies</id>
						<phase>package</phase>
						<goals>
							<goal>copy-dependencies</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-jar-plugin</artifactId>
				<configuration>
					<archive>
						<manifest>
							<mainClass>org.lan.web.CrawleMon</mainClass>
							<addClasspath>true</addClasspath>
							<classpathPrefix>lib/</classpathPrefix>
						</manifest>
					</archive>
					<classesDirectory>
					</classesDirectory>
				</configuration>
			</plugin>
		</plugins>
	</build>