byte[]转MultipartFile

• pom

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>5.3.6</version>
</dependency>

• 代码示例

InputStream inputStream = new ByteArrayInputStream(fileByte)
MultipartFile file = new MockMultipartFile(ContentType.APPLICATION_OCTET_STREAM.toString(), inputStream);