Java编程：常用的字段脱敏工具类

￡神魔★判官ぃ 2023-06-22 13:58 8阅读 0赞

import org.apache.commons.lang.StringUtils;
    
    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
    
    /** * @author zhibo * @date 2019-12-12 15:10 */
    public class EncryptUtil { 
        public static final String MOBILE_REG = "^\\d{11}$";
        public static final String EMAIL_REG = "@+";
    
        // 手机号码前三后四脱敏
        public static String mobileEncrypt(String mobile) { 
            if (StringUtils.isEmpty(mobile) || (mobile.length() != 11)) { 
                return mobile;
            }
            return mobile.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2");
        }
    
        /** * 隐藏邮箱信息 * * @param email * @return */
        public static String emailEncrypt(String email) { 
            if (StringUtils.isEmpty(email)) { 
                return email;
            }
            String encrypt = email.replaceAll("(\\w+)\\w{3}@(\\w+)", "$1***@$2");
            if(StringUtils.equalsIgnoreCase(email, encrypt)){ 
                encrypt = email.replaceAll("(\\w*)\\w{1}@(\\w+)", "$1*@$2");
            }
            return encrypt;
        }
    
        /** * 隐藏字段信息 * 如果字符长度大于3位，则隐藏最后三位，否则隐藏最后1位 * @param field * @return */
        public static String fieldEncrypt(String field) { 
            if (StringUtils.isEmpty(field)) { 
                return field;
            }
            String encrypt = field.replaceAll("(\\w+)\\w{3}", "$1***");
            if(StringUtils.equalsIgnoreCase(field, encrypt)){ 
                encrypt = field.replaceAll("(\\w*)\\w{1}", "$1*");
            }
            return encrypt;
        }
    
        //身份证前三后四脱敏
        public static String idEncrypt(String id) { 
            if (StringUtils.isEmpty(id) || (id.length() < 8)) { 
                return id;
            }
            return id.replaceAll("(?<=\\w{3})\\w(?=\\w{4})", "*");
        }
    
        //护照前2后3位脱敏，护照一般为8或9位
        public static String idPassport(String id) { 
            if (StringUtils.isEmpty(id) || (id.length() < 8)) { 
                return id;
            }
            return id.substring(0, 2) + new String(new char[id.length() - 5]).replace("\0", "*") + id.substring(id.length() - 3);
        }
    
        //支付宝账号脱敏
        //手机号：隐藏中间4位
        //邮箱：如果@前字符长度大于3位，则隐藏最后三位，否则隐藏最后1位
        public static String alipayAccountEncrypt(String account) { 
            if (StringUtils.isEmpty(account)) { 
                return account;
            }
    
            Pattern pattern = Pattern.compile(MOBILE_REG);
            Matcher matcher = pattern.matcher(account);
            if(matcher.find()){ 
                account = EncryptUtil.mobileEncrypt(account);
                return account;
            } else { 
                pattern = Pattern.compile(EMAIL_REG);
                matcher = pattern.matcher(account);
                if (matcher.find()) { 
                    account = EncryptUtil.emailEncrypt(account);
                    return account;
                } else { 
                    account = EncryptUtil.fieldEncrypt(account);
                    return account;
                }
            }
        }
    
    }