org.oiue.tools.file

Class FileMd5Utils

java.lang.Object

org.oiue.tools.file.FileMd5Utils

public class FileMd5Utils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected static char[]	hexDigits
protected static MessageDigest	messageDigest

Constructor Summary

Constructors

Constructor and Description
FileMd5Utils()

Method Summary

Modifier and Type	Method and Description
static String	getFileMD5String(File file) 计算文件的MD5，重载方法
static String	getFileMD5String(String fileName) 计算文件的MD5

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

hexDigits

protected static char[] hexDigits

messageDigest

protected static MessageDigest messageDigest

Constructor Detail

FileMd5Utils

public FileMd5Utils()

Method Detail

getFileMD5String

public static String getFileMD5String(String fileName)
                               throws IOException

计算文件的MD5

Parameters:

fileName - 文件的绝对路径

Returns:

字符串

Throws:

IOException - io异常

getFileMD5String

public static String getFileMD5String(File file)
                               throws IOException

计算文件的MD5，重载方法

Parameters:

file - 文件对象

Returns:

字符串

Throws:

IOException - io 异常