spring boot中如何设置文件上传大小限制呢?

以下设置适用于
    springboot 2.1.1.RELEASE

修改 spring boot文件上传大小限制

#设置单个文件的大小，默认时1MB
spring.servlet.multipart.max-file-size=50MB
#设置单次请求的文件的总大小
spring.servlet.multipart.max-request-size=50MB

MULTIPART(MultipartProperties)

spring.servlet.multipart.enabled=true 
# Whether to enable support of multipart uploads.

spring.servlet.multipart.file-size-threshold=0B 
# Threshold after which files are written to disk.

spring.servlet.multipart.location= 
# Intermediate location of uploaded files. 

spring.servlet.multipart.max-file-size=1MB 
# Max file size.

spring.servlet.multipart.max-request-size=10MB 
# Max request size.

spring.servlet.multipart.resolve-lazily=false 
# Whether to resolve the multipart request lazily at the time of file or parameter access.