[net](../../index.md) / [com.drake.net.utils](../index.md) / [java.io.File](index.md) / [md5](./md5.md)

# md5

`fun `[`File`](https://docs.oracle.com/javase/6/docs/api/java/io/File.html)`?.md5(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?`

返回文件的MD5值