dong_android的博客

/** 格式化价格**/public static String formatPrice(Double price){ String result = ""; try { DecimalFormat decimalFormat = new DecimalFormat("0.00"); result = decimalFormat.format(price); } c...

/** * 生成随机串(包含 字母+数字) * @param pwd_len // 随机数的长度 * @return 字符串 */public static String genRandomNum(int pwd_len) { final int maxNum = 50; int i; int count = 0; char[] str = { 'a', '...

/** * 生成随机数纯数字 * @param length // 随机数的长度 * @return */public static String getRandom(int length) { Random random = new Random(); String rr = ""; Set set = new HashSet(); while (set.s...

/** * 字符串去回车去空格 * @param str * @return */public static String replaceBlank(String str) { String dest = ""; if (str != null) { Pattern p = Pattern.compile("\\s*|\t|\r|\n"); Matcher...

/** * 检测是否是手机号 * @param mobileNum * @return */public static boolean isMobileNum(String mobileNum) { Pattern pattern = Pattern.compile("^(0|86|17951)?((13[0-9])|(145)|(147)|(170)|(17[6-8])|...

/** 检测是否是Email **/public static boolean isEmail(String email) { Pattern pattern = Pattern.compile("^(\\w)+(\\.\\w+)*@(\\w)+((\\.\\w{2,3}){1,3})$"); Matcher matcher = pattern.matcher(email); re...

/** * 检查是否固话 * @param phoneNum * @return */public static boolean isPhoneNum(String phoneNum) { Pattern pattern = Pattern.compile("0\\d{2,3}-\\d{7,8}"); Matcher matcher = pattern.matcher(...

/** 判断字符串中是否包含数字 **/public static boolean isContainsNum(String input) { int len = input.length(); for (int i = 0; i < len; i++) { if (Character.isDigit(input.charAt(i))) { return true; ...

/** 判断字符串中是否包含字母 **/public static boolean isContainsLetter(String input){ if(!StringUtil.isNull(input)){ Matcher matcher = Pattern.compile(".*[a-zA-Z]+.*").matcher(input); return matcher.ma...

/*** MD5 加密* @param tastr* @return 字符串*/public static String getMD5(String tastr) {    byte[] source = tastr.getBytes();    String s = null;    char hexDigits[] = { // 用来将字节转换成 16 进制...