package?com.seven.wechatRed;
import?java.security.MessageDigest;

/**
?*?md5
?*?@ClassName:?MD5Util?
?*?@author:	Wei?Jia
?*?@date:?2017-10-17?上午10:34:25
?*/
public?class?MD5Util?{

	private?static?String?byteArrayToHexString（byte?b[]）?{
		StringBuffer?resultSb?=?new?StringBuffer（）;
		for?（int?i?=?0;?i?			resultSb.append（byteToHexString（b[i]））;
		return?resultSb.toString（）;
	}

	private?static?String?byteToHexString（byte?b）?{
		int?n?=?b;
		if?（n?			n?+=?256;
		int?d1?=?n?/?16;
		int?d2?=?n?%?16;
		return?hexDigits[d1]?+?hexDigits[d2];
	}

	/*加密*/
	public?static?String?MD5Encode（String?origin?String?charsetname）?{
		String?resultString?=?null;
		try?{
			resultString?=?new?String（origin）;
			MessageDigest?md?=?MessageDigest.getInstance（“MD5“）;
			if?（charsetname?==?null?||?““.equals（charsetname））{
				resultString?=?byteArrayToHexString（md.digest（resultString.getBytes（）））;
			}else{
				resultString?=?byteArrayToHexString（md.digest（resultString.getBytes（charsetname）））;
			}
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
		return?resultString;
	}

	private?static?final?String?hexDigits[]?=?{?“0“?“1“?“2“?“3“?“4“?“5“
			“6“?“7“?“8“?“9“?“a“?“b“?“c“?“d“?“e“?“f“?};

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-17?11:19??wechatRed\
?????文件?????????993??2017-10-17?10:33??wechatRed\.classpath
?????文件?????????385??2017-10-17?10:29??wechatRed\.project
?????目錄???????????0??2017-10-17?11:19??wechatRed\.settings\
?????文件??????????88??2017-10-17?10:34??wechatRed\.settings\org.eclipse.core.resources.prefs
?????文件?????????629??2017-10-17?10:29??wechatRed\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2017-10-17?11:19??wechatRed\bin\
?????目錄???????????0??2017-10-17?11:19??wechatRed\bin\com\
?????目錄???????????0??2017-10-17?11:19??wechatRed\bin\com\seven\
?????目錄???????????0??2017-10-17?11:19??wechatRed\bin\com\seven\wechatRed\
?????文件????????2228??2017-10-17?10:34??wechatRed\bin\com\seven\wechatRed\MD5Util.class
?????文件????????2251??2017-10-17?10:45??wechatRed\bin\com\seven\wechatRed\WechatRedTest.class
?????文件???????10704??2017-10-17?11:06??wechatRed\bin\com\seven\wechatRed\WechatRedUtils.class
?????目錄???????????0??2017-10-17?11:19??wechatRed\lib\
?????文件???????41123??2015-05-04?17:28??wechatRed\lib\commons-cli-1.2.jar
?????文件??????263965??2015-05-04?17:29??wechatRed\lib\commons-codec-1.9.jar
?????文件??????494856??2017-10-16?10:59??wechatRed\lib\commons-lang3-3.6.jar
?????文件???????61829??2015-05-04?17:29??wechatRed\lib\commons-logging-1.2.jar
?????文件???????52915??2015-05-04?17:26??wechatRed\lib\commons-logging.jar
?????文件??????313898??2015-04-20?10:44??wechatRed\lib\dom4j-1.6.1.jar
?????文件??????362907??2015-05-05?17:27??wechatRed\lib\fastjson-1.1.28.jar
?????文件??????720931??2015-05-04?17:29??wechatRed\lib\httpclient-4.4.1.jar
?????文件??????322234??2015-05-04?17:29??wechatRed\lib\httpcore-4.4.1.jar
?????文件???????85353??2015-05-11?11:16??wechatRed\lib\javax.servlet-api-3.0.1.jar
?????文件??????481770??2015-04-30?17:03??wechatRed\lib\xstream-1.4.3.jar
?????目錄???????????0??2017-10-17?11:19??wechatRed\src\
?????目錄???????????0??2017-10-17?11:19??wechatRed\src\com\
?????目錄???????????0??2017-10-17?11:19??wechatRed\src\com\seven\
?????目錄???????????0??2017-10-17?11:19??wechatRed\src\com\seven\wechatRed\
?????文件????????1281??2017-10-17?10:34??wechatRed\src\com\seven\wechatRed\MD5Util.java
?????文件????????1696??2017-10-17?10:45??wechatRed\src\com\seven\wechatRed\WechatRedTest.java
............此處省略1個文件信息