/**

* 构建长度为3的数字字符串

*

* @param number

* @return

*/

private static String constructNumber(int number) {

String result = String.valueOf(number);

// 数字字符串长度不足三位，前几位均补0

int length = result.length();

for (int i = 0; i < 3 - length; i++) {

result = "0" + result;

}

return result;

}

/**

* 判断是否为数字

* @param str

* @return

*/

public static boolean isNumeric(String str){

for (int i = str.length();--i>=0;){

if (!Character.isDigit(str.charAt(i))){

return false;

}

}

return true;

}

/**

* 判断手机号

* @param mobiles

* @return

*/

public static boolean isMobileNO(String mobiles){

Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");

Matcher m = p.matcher(mobiles);

return m.matches();

}

/**

* 验证是否为邮箱

* @param args

*/

public static boolean isEmail(String email){

Pattern pattern = Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");

Matcher matcher = pattern.matcher(email);

if (matcher.matches()) {

return true;

}

return false;

}

/**      * 获取字符串的长度，中文每个中文字符计为2位

*

* @param value

*            指定的字符串

* @return 字符串的长度

*/

public static int length(String value) {

int valueLength = 0;

String chinese = "[\u0391-\uFFE5]";

/* 获取字段值的长度，如果含中文字符，则每个中文字符长度为2，否则为1 */

for (int i = 0; i < value.length(); i++) {

/* 获取一个字符 */

String temp = value.substring(i, i + 1);

/* 判断是否为中文字符 */

if (temp.matches(chinese)) {

/* 中文字符长度为2 */

valueLength += 2;

} else {

/* 其他字符长度为1 */

valueLength += 1;

}

}

return valueLength;

}

/**

* 将列表转换为字符串

*

* @param numbers

* @return

*/

public static String listToString(List numbers) {

StringBuffer buffer = new StringBuffer();

for (int i = 0; i < numbers.size(); i++) {

buffer.append(numbers.get(i));

if (i < numbers.size() - 1) {

buffer.append(",");

}

}

String result = buffer.toString();

return result;

}

/**

* 计算字符串中的数字个数

*

* @param numbers

*            数字字符串，数字间以","分隔

* @return 字符串中的数字个数

*/

public static int countNumbers(String numbers) {

int result = 0;

if (numbers != null && !"".equals(numbers)) {

String[] arr = numbers.split(",");

if (arr != null && arr.length > 0) {

result = arr.length;

}

}

return result;

}

/**

* 判断是否包含重复数字

*

* @param number

* @return

*/

public static boolean isRepeat(String number) {

if (number != null && !"".equals(number)) {

List list = FormatUtil.splitNumbers(number);

if (list.size() > 1) {

for (int i = 0; i < list.size(); i++) {

String out = list.get(i);

for (int j = i + 1; j < list.size(); j++) {

String in = list.get(j);

if (out.equals(in)) {

return true;

}

}

}

}

}

return false;

}

///判断数字，并排重//

/**

* 校验是否为合法数字

* 仅由数字组成+数字无重复时返回true

* 排列玩法首位可以为0

*

* @param number

* @return

*/

public static boolean validNumber(String number) {

if (number != null && !"".equals(number)) {

if (!isNumber(number)

// || number.startsWith("0")

|| isRepeat(number)) {

return false;

}

}

return true;

}

/**

* 判断是否包含重复数字

*

* @param number

* @return

*/

public static boolean isRepeat(String number) {

if (number != null && !"".equals(number)) {

List list = FormatUtil.splitNumbers(number);

if (list.size() > 1) {

for (int i = 0; i < list.size(); i++) {

String out = list.get(i);

for (int j = i + 1; j < list.size(); j++) {

String in = list.get(j);

if (out.equals(in)) {

return true;

}

}

}

}

}

return false;

}

/**

* 判断是否为数字字符串

*

* @param number

* @return

*/

public static boolean isNumber(String number) {

String regex = "^[0-9]+$";

Pattern pattern = Pattern.compile(regex);

Matcher matcher = pattern.matcher(number);

boolean result = matcher.matches();

return result;

}

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