springboot临时文件存储目录配置方式

mkdir -p /tmp/tomcat.7957874575370093230.8088/work/Tomcat/localhost/ROOT

# 存放Tomcat的日志、Dump等文件的临时文件夹，默认为系统的tmp文件夹
server.tomcat.basedir=/data/apps/temp

    @Bean
    MultipartConfigElement multipartConfigElement() {
        MultipartConfigFactory factory = new MultipartConfigFactory();
        factory.setLocation(tmepPath);
        return factory.createMultipartConfig();
    }

location:
  tempDir: /opt/location/tempDir #此处为*unix的系统相关位置

@Configuration
public class MultipartConfig {
   @Value("${location.tempDir:/opt/tempDir}")
   private String tempDir;

   @Bean
   MultipartConfigElement multipartConfigElement() {
      MultipartConfigFactory factory = new MultipartConfigFactory();
      File tmpDirFile = new File(tempDir);
      // 判断文件夹是否存在
      if (!tmpDirFile.exists()) {
         tmpDirFile.mkdirs();
      }
      factory.setLocation(tempDir);
      return factory.createMultipartConfig();
   }
}