查看“Spring Boot 文件大小上传限制”的源代码

https://docs.spring.io/spring-boot/docs/2.7.8/reference/html/application-properties.html#application-properties.web.spring.servlet.multipart.max-file-size<syntaxhighlight lang="yaml">
spring:
  servlet:
    multipart:
      max-file-size: 2MB
      max-request-size: 10MB
</syntaxhighlight>org.springframework.boot.autoconfigure.web.servlet.MultipartProperties.java来自 spring-boot-autoconfigure-x.x.x.RELEASE.jar

max-file-size：最大文件大小，默认1MB

Max request size：最大请求大小，默认10MB