maven打包可执行jar包,胖jar

<build>
    <plugins>
        <plugin>
            <!-- 指定项目编译时的java版本和编码方式 -->
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.7.0</version>
            <configuration>
                <target>1.8</target>
                <source>1.8</source>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-assembly-plugin</artifactId>
            <version>3.1.0</version>
            <configuration>
                <archive>
                    <manifest>
                        <mainClass>com.netty.client.SignalClient</mainClass> <!-- 指定入口类路径 -->
                    </manifest>
                </archive>
                <descriptorRefs>
                    <descriptorRef>jar-with-dependencies</descriptorRef> <!-- jar包后缀，生成的jar包形式为：project-1.0-SNAPSHOT-jar-with-dependencies.jar -->
                </descriptorRefs>
            </configuration>
            <!-- 添加此项后，可直接使用mvn package | mvn install -->
            <!-- 不添加此项，需直接使用mvn package assembly:single -->
            <executions>
                <execution>
                    <id>make-assembly</id>
                    <phase>package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>