记录md5的加密方式

public class TestTemplateMethod {
public static void main(String[] args) {
// HanmaModel model = new HanmaModel1();
// model.setAlarm(false);
// model.run();
String[] hax = new String[]{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
try {
MessageDigest md = MessageDigest.getInstance("MD5");
String originalData = "1234";
byte[] originalDataArray = originalData.getBytes();
md.update(originalDataArray);
byte[] result = md.digest();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < result.length; i ++) {
byte cur = result[i];
System.out.println(cur);
sb.append(hax[(cur >> 4) & 0xf]);
sb.append(hax[(cur & 0xf)]);
}
System.out.println(sb.toString());
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
}