在pom.xml中新增

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java_source_version>1.8</java_source_version>
        <java_target_version>1.8</java_target_version>
        <maven_compiler_plugin_version>3.3</maven_compiler_plugin_version
 
>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.5.5</version>
                <configuration
 
>
                    <archive>
                        <manifest>
                            <!--此處指定入口類-->
                            <mainClass>com.demo.App</mainClass>
                        </manifest>
                    </archive>
                    <descriptorRefs
 
>
                        <!--依賴會一起打包-->
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.10</version>
                <executions>
                    <execution>
                        <id>copy-dependencies</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven_compiler_plugin_version}</version>
                <configuration>
                    <source>${java_source_version}</source>
                    <target>${java_target_version}</target>
                    <!--解決亂碼問題-->
                    <encoding>${project.build.sourceEncoding}</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>

使用maven命令

mvn assembly:assembly

編譯程式碼，會在target目錄下生成*-with-dependencies.jar的jar，就是我們要的結果。

這樣編譯會將專案的資原始檔和所有的依賴一起打包到一個jar中，一站式解決所有問題。