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public class ParamUtil {
public static Pattern phoneNumPattern = Pattern.compile("^1[0-9]{10}$");
public static Pattern emailPattern = Pattern.compile("^(\\w)+(\\.\\w+)*@(\\w)+((\\.\\w{2,3}){1,2})");
public static Pattern zeroPattern = Pattern.compile("[0](\\s|\\S)*");
/**
* 验证参数是否为NULL
* @param ob
* @return
*/
public static boolean isNull(Object o) {
Optional<Object> optional = Optional.fromNullable(o);
if (optional.isPresent()) {
return false;
}
return true;
}
/**
* 验证参数是否为NULL
* @param o
* @return
*/
public static boolean isNotNull(Object o) {
return !isNull(o);
}
/**
* 验证
* @param i
* @return
*/
public static boolean isPositive(Integer i) {
if (isNotNull(i) && i.compareTo(NumberUtils.INTEGER_ZERO) > 0) {
return true;
}
return false;
}
public static boolean isPositive(Long l) {
if (isNotNull(l) && l.compareTo(NumberUtils.LONG_ZERO) > 0 ) {
return true;
}
return false;
}
public static boolean isPositive(Byte b) {
if (isNotNull(b) && b.compareTo(NumberUtils.BYTE_ZERO) > 0) {
return true;
}
return false;
}
public static boolean isNaturalNumber(Integer i) {
if(isNotNull(i) && i.compareTo(NumberUtils.INTEGER_ZERO) >= 0) {
return true;
}
return false;
}
public static boolean isNaturalNumber(Long l) {
if(isNotNull(l) && l.compareTo(NumberUtils.LONG_ZERO) >= 0) {
return true;
}
return false;
}
public static boolean isNaturalNumber(Byte i) {
if(isNotNull(i) && i.compareTo(NumberUtils.BYTE_ZERO) >= 0) {
return true;
}
return false;
}
/**
* 电话号码验证
*
* @param phoneNum
* @return
*/
public static boolean isPhoneNum(String phoneNum) {
if (isNull(phoneNum)) {
return false;
}
Matcher m = phoneNumPattern.matcher(phoneNum);
return m.matches();
}
/**
* 电子邮件验证
*
* @param email
* @return
*/
public static boolean isEmail(String email) {
if (isNull(email)) {
return false;
}
// String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
Matcher m = emailPattern.matcher(email);
return m.matches();
}
/**
* 第一位是否为零
*
* @param numString
* @return
*/
public static boolean isZero(String numString) {
if (isNull(numString)) {
return false;
}
Matcher m = zeroPattern.matcher(numString);
return m.matches();
}
}