配置fileupload（文件上传组件）

<properties>
    <commons-fileupload.version>1.3.1</commons-fileupload.version>
</properties>

<dependencyManagement>
    <dependencies>
        <!-- 文件上传组件 -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>${commons-fileupload.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>

原文地址：https://www.cnblogs.com/yikuan-919/p/9704350.html