| | |
| | | import java.io.IOException; |
| | | import java.nio.ByteBuffer; |
| | | import java.nio.channels.FileChannel; |
| | | import java.nio.charset.StandardCharsets; |
| | | import java.security.MessageDigest; |
| | | import java.text.DecimalFormat; |
| | | import java.util.List; |
| | |
| | | } |
| | | |
| | | /** |
| | | * 获取文件MD5码(JDK) |
| | | * 3.获取文件MD5码(JDK) |
| | | */ |
| | | public static String getMd5ByJdk(String filePath) throws IOException { |
| | | FileInputStream fileStream = new FileInputStream(filePath); |
| | |
| | | } |
| | | |
| | | /** |
| | | * 获取快速 MD5 码 |
| | | * 2.获取快速 MD5 码 |
| | | */ |
| | | public static String getFastMd5(String filePath) throws IOException { |
| | | String hash = MD5.asHex(MD5.getHash(new File(filePath))); |
| | |
| | | } |
| | | |
| | | /** |
| | | * 获取文件的MD5 |
| | | * @param filePath |
| | | * @return |
| | | * 1.获取文件的MD5 |
| | | */ |
| | | @SuppressWarnings("unused") |
| | | public static String getFileMd5(String filePath) { |
| | |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 字节码转16进制 |
| | | */ |
| | | public static String byteToHexString(byte[] tmp) { |
| | | // 每个字节用 16 进制表示的话,使用两个字符, |
| | | char[] str = new char[16 * 2]; |
| | |
| | | // 换后的结果转换为字符串 |
| | | return new String(str); |
| | | } |
| | | |
| | | /** |
| | | * 获取字符串的MD5码 |
| | | */ |
| | | public static String getStringMd5(String text) { |
| | | StringBuilder builder = new StringBuilder(); |
| | | try { |
| | | MessageDigest md5 = MessageDigest.getInstance("MD5"); |
| | | |
| | | byte[] bytes = md5.digest(text.getBytes(StandardCharsets.UTF_8)); |
| | | for (byte aByte : bytes) { |
| | | builder.append(Integer.toHexString((0x000000FF & aByte) | 0xFFFFFF00).substring(6)); |
| | | } |
| | | } catch (Exception ex) { |
| | | log.error(ex.getMessage(), ex); |
| | | } |
| | | |
| | | return builder.toString(); |
| | | } |
| | | } |