import org.springframework.web.multipart.MultipartFile;
maven依赖
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>5.1.8.RELEASE</version>
</dependency>
我可能创建项目的时候依赖没选全 也有可能被自己误删了 反正就是缺了这么个依赖。。。
@RequestMapping(value="/img/upload",method = RequestMethod.POST)
public Object imgUpload(@ApiParam(value="上传的文件",required=true) MultipartFile uploadFile) throws Exception {
if (uploadFile == null) {
return " uploadFile == null ";
}
}