摘要：
@Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { exit(); return false; } return super.... 阅读全文
摘要：
package com.liu.hellomavenweb.util; import java.security.MessageDigest; /** * * @author 刘楠 * */ public class MD5 { private static final char[] hexDigits = new char[]{'0', '1', '2', '3', '4... 阅读全文