Java springboot 中上传图片文件的1Md的限制

在配置文件中修改了

spring.servlet.multipart.max-file-size=3.40
spring.servlet.multipart.max-request-size=3M

遇到下面的错误：

 

Description:

Failed to bind properties under 'spring.servlet.multipart.max-file-size' to org.springframework.util.unit.DataSize:

Property: spring.servlet.multipart.max-file-size
Value: 3M
Origin: class path resource [application.properties]:2:40
Reason: failed to convert java.lang.String to org.springframework.util.unit.DataSize

Action:

Update your application's configuration