java常用工具類封裝

lordharrd 發(fā)布于2021-09-30 09:47 / 3348人閱讀

摘要：常用工具類封裝方法注釋銀行卡號(hào)脫敏名字脫敏規(guī)則，張三豐，脫敏為豐對(duì)手機(jī)號(hào)進(jìn)行脫敏對(duì)身份證號(hào)進(jìn)行脫敏元轉(zhuǎn)為無小數(shù)點(diǎn)的分

java常用工具類封裝

import org.apache.commons.lang.StringUtils;import java.math.BigDecimal;public class CommonUtil {    public static String safeToString(Object value, String defaultValue) {        if (value != null) {            return StringUtils.trim(String.valueOf(value));        }        return defaultValue;    }    public static Integer safeToInteger (Object obj, Integer defaultValue) {        if (obj != null) {            return Integer.parseInt(String.valueOf(obj));        }        return defaultValue;    }    /**     * 方法注釋： 銀行卡號(hào)脫敏     * @return     */    public static String getHideCardNo(String cardNo){        if (StringUtils.isNotBlank(cardNo)) {            StringBuffer cardBuffer = new StringBuffer();            char[] card = cardNo.toCharArray();            if (card.length > 8 && card.length <= 12) {                card[card.length - 5] = "*";                card[card.length - 6] = "*";                card[card.length - 7] = "*";                card[card.length - 8] = "*";            }            if (card.length > 12) {                for (int i = 5; i <= 12; i++) {                    card[card.length - i] = "*";                }            }            int head = card.length%4 + 4;            for (int i = 0; i < head; i++) {                cardBuffer.append(card[i]);            }            cardBuffer.append("");            for (int i = 0; (i + head)< card.length; i++) {                cardBuffer.append(card[i + head]);                if ((i+1)%4 == 0) {                    cardBuffer.append("");                }            }            return cardBuffer.toString().trim();        }        return cardNo;    }    /**     * 名字脫敏     * 規(guī)則，張三豐，脫敏為：**豐     */    public static String nameDesensitization(String name){        if(name==null || name.isEmpty()){            return "";        }        String myName = null;        char[] chars = name.toCharArray();        if(chars.length==1){            myName=name;        }        if(chars.length==2){            myName=name.replace(name.substring(0,1), "*");        }        if(chars.length>2){            myName=name.replaceAll(name.substring(0, chars.length-1), "*");        }        return myName;    }    /**     * 對(duì)手機(jī)號(hào)進(jìn)行脫敏     * @param phone     * @return     */    public static String getHidePhone (String phone) {        if (StringUtils.isNotBlank(phone)) {            phone = phone.replaceAll("(^//d{3})//d.*(//d{4})", "$1****$2");        }        return phone;    }    /**     * 對(duì)身份證號(hào)進(jìn)行脫敏     * @param idNumber     * @return     */    public static String desensitizedIdNumber(String idNumber){        if (StringUtils.isNotBlank(idNumber)) {            if (idNumber.length() == 15){                idNumber = idNumber.replaceAll("(//w{3})//w*(//w{4})", "$1********$2");            }            if (idNumber.length() == 18){                idNumber = idNumber.replaceAll("(//w{3})//w*(//w{4})", "$1***********$2");            }        }        return idNumber;    }    /**     * 元轉(zhuǎn)為無小數(shù)點(diǎn)的分     *     * @param price     * @return     */    public static BigDecimal yuan2Fen(BigDecimal price) {        return new BigDecimal(price.multiply(new BigDecimal("100")).longValue());    }    public static void main(String[] args) {        String idNumber = desensitizedIdNumber("421202199805060221");        System.out.println(idNumber);    }}