33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
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package com.atguigu.lib;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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public final class MD5 {
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public static String encrypt(String strSrc) {
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try {
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char[] hexChars = {'0', '1', '2', '3', '4', '5', '6', '7', '8',
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'9', 'a', 'b', 'c', 'd', 'e', 'f'};
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byte[] bytes = strSrc.getBytes();
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MessageDigest md = MessageDigest.getInstance("MD5");
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md.update(bytes);
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bytes = md.digest();
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int j = bytes.length;
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char[] chars = new char[j * 2];
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int k = 0;
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for (byte b : bytes) {
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chars[k++] = hexChars[b >>> 4 & 0xf];
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chars[k++] = hexChars[b & 0xf];
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}
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return new String(chars);
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} catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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throw new RuntimeException("MD5加密出错！！+" + e);
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}
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}
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public static void main(String[] args) {
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System.out.println(MD5.encrypt("111111"));
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}
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}
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