public class test {/*** MD5加密 (返回大写)* @author YANGCAIWEN* @param s* @return*/public static final String MD5ToUpperCase(String s) {char[] hexDigits = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};try {byte[] btInput = s.getBytes("UTF-8");MessageDigest mdInst = MessageDigest.getInstance("MD5");mdInst.update(btInput);byte[] md = mdInst.digest();int j = md.length;char[] str = new char[j * 2];int k = 0;for (int i = 0; i < j; ++i) {byte byte0 = md[i];str[k++] = hexDigits[byte0 >>> 4 & 15];str[k++] = hexDigits[byte0 & 15];}return new String(str);} catch (Exception var10) {var10.printStackTrace();return null;}}}
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