代码方式
MD5Util.class
import java.security.MessageDigest;
public class MD5Util {
public static String digest16(String inStr) {
return digest(inStr, 16);
}
public static String digest(String inStr) {
return digest(inStr, 32);
}
private static String digest(String inStr, int rang) {
MessageDigest md5 = null;
if (StringUtil.isEmpty(inStr)) {
return "";
}
try {
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
e.printStackTrace();
return "";
}
char[] charArray = inStr.toCharArray();
byte[] byteArray = new byte[charArray.length];
for (int i = 0; i < charArray.length; i++) {
byteArray[i] = (byte) charArray[i];
}
byte[] md5Bytes = md5.digest(byteArray);
StringBuilder hexValue = new StringBuilder();
for (int i = 0; i < md5Bytes.length; i++) {
int val = ((int) md5Bytes[i]) & 0xff;
if (val < 16)
hexValue.append("0");
hexValue.append(Integer.toHexString(val));
}
if (rang == 32) {
return hexValue.toString();
} else {
return hexValue.toString().substring(8, 24);
}
}
public static void main(String[] args) {
String password = MD5Util.digest("123456");
System.out.println(password);
}
}
StringUtil.class
public class StringUtil {
public static boolean isEmpty(String s){
return s == null || "".equals(s);
}
public static boolean isNotEmpty(String s){
return !isEmpty(s);
}
}
Notepad++
菜单栏—>工具—>MD5---->生成
Processed:
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