居然可以这样（java软件开发工具包）java开发工具包jdk包括，Java开发常用工具类，java身份证号中间星号，

河马 2024-01-06 00:52 129 阅读2小时49分钟

java正则表达式的匹配包括：邮箱，手机，姓名，昵称，身份证号，银行卡号等；生成6位随机数；对url中字符串进行编码和解码；获取客户端ip地址；获取系统当前时间；生成32位编码不含横线；生成MD5编码；通过身份证获取性别；通过身份证获取生日；手机号中间4位替换成星号；邮箱地址加星号；生成随机密码；import com.alibaba.fastjson.JSONObject;import org.apache.commons.beanutils.BeanUtilsBean;import org.apache.commons.beanutils.PropertyUtilsBean;importorg.springframework.util.DigestUtils;import org.springframework.util.StringUtils;import javax.servlet.http.HttpServletRequest;import java.io.;importjava.net.MalformedURLException;import java.net.URL;import java.net.URLDecoder;import java.security.SecureRandom;import java.sql.Timestamp;importjava.text.ParseException;import java.text.SimpleDateFormat;import java.util.;import java.util.concurrent.locks.Lock;import java.util.concurrent.locks.ReentrantLock;importjava.util.regex.Matcher;import java.util.regex.Pattern;import java.util.stream.Stream;/ 通用工具类./public class CommonUtil {private staticSecureRandom random =new SecureRandom();public static final Pattern MAIL_PATTERN = Pattern.compile("^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");public static final Pattern MOBILE_PATTERN = Pattern.compile("^1[3|4|5|7|8][0-9]\\d{8}$");public static final Pattern NAME_PATTERN = Pattern.compile("^\u4E00-\u9FBF{0,13}[\u4E00-\u9FBF]$");public static final Pattern NICKNAME_PATTERN = Pattern.compile("^((?!\\d{5})[\\u4E00-\\u9FBF(.|·)|0-9A-Za-z_]){2,11}$");public static finalPattern PASSWORD_PATTERN = Pattern.compile("^[\s\S]{6,30}$");public static final Pattern CODE_PATTERN = Pattern.compile("^0\\d{2,4}$");public static finalPattern POSTCODE_PATTERN = Pattern.compile("^\d{6}$");public static final Pattern ID_PATTERN = Pattern.compile("^\\d{6}(\\d{8}|\\d{11})[0-9a-zA-Z]$");public static finalPattern BANK_CARD_PATTERN = Pattern.compile("^\d{16,30}$");/*** 生成6位随机数字, 用于手机短信验证码.** @return 6位随机数字*/public static int random() {intx = Math.abs(random.nextInt(899999));return x + 100000;}/*** 对url字符串进行编码.** @param url 要编码的url字符串* @return编码后的字符串*/public static String urlEncoder(String url) {if (StringUtils.isEmpty(url)) {return null;}try {return java.net.URLEncoder.encode(url, "utf-8");}catch (UnsupportedEncodingException e) {e.printStackTrace();}return null;}/*** 对url字符串进行解码.** @paramurl 要解码的url字符串*@return 解码后的字符串*/public static String urlDecoder(String url) {if (StringUtils.isEmpty(url)) {return null;}try {returnURLDecoder.decode(url,"UTF-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}return null;}/*** 验证字符串是不是邮箱.**@param email 要验证的邮箱* @return 是否正确邮箱*/public static boolean validateEmail(String email) {if (StringUtils.isEmpty(email)) {return false;}Matcher m = MAIL_PATTERN.matcher(email);return m.matches();}/*** 验证字符串是不是手机号.** @parammobile 要验证的手机号*@return 是否正确手机号*/public static boolean validateMobile(String mobile) {if (StringUtils.isEmpty(mobile)) {return false;}Matcher m = MOBILE_PATTERN.matcher(mobile);return m.matches();}/*** 验证身份证是否有效.** @param idCardNumber 要验证的身份证* @return是否正确身份证*/public static boolean validateId(String idCardNumber) {if (StringUtils.isEmpty(idCardNumber)) {return false;}Matcher m = ID_PATTERN.matcher(idCardNumber);return m.matches() && IdCardUtils.validateCard(idCardNumber);}/*** 验证姓名是否有效.** @param name 要验证的姓名* @return 是否正确姓名*/public static boolean validateName(String name) {if (StringUtils.isEmpty(name) || name.replaceAll("[^.·]", "").length() > 1) {return false;}Matcher m = NAME_PATTERN.matcher(name);return m.matches();}/*** 验证昵称是否有效.** @paramnickname 要验证的昵称*@return 是否正确昵称*/public static boolean validateNickname(String nickname) {//规则不能包含5个数字允许中英文和数字 2-11位if(StringUtils.isEmpty(nickname) || nickname.replaceAll("[^0-9]", "").length() > 4) {return false;}Matcher m = NICKNAME_PATTERN.matcher(nickname);return m.matches();}/*** 验证密码格式是否有效.**@param password 要验证的密码* @return 是否正确密码格式*/public static boolean validatePassword(String password) {if(StringUtils.isEmpty(password)) {return false;}Matcher m = PASSWORD_PATTERN.matcher(password);return m.matches();}/*** 验证区号是否有效.**@param code 要验证的区号* @return 是否正确身份证*/public static boolean validateCode(String code) {if (StringUtils.isEmpty(code)) {return false;}Matcher m = CODE_PATTERN.matcher(code);return m.matches();}/*** 验证邮政编码是否有效.** @parampostcode 要验证的邮政编码*@return 是否正确邮政编码*/public static boolean validatePostcode(String postcode) {if (StringUtils.isEmpty(postcode)) {return false;}Matcher m = POSTCODE_PATTERN.matcher(postcode);return m.matches();}/*** 验证银行卡是否有效.** @param bankCardNumber 要验证的银行卡号* @return 是否正确银行卡号*/public static boolean validateBankCardNumber(String bankCardNumber) {if (StringUtils.isEmpty(bankCardNumber)) {return false;}Matcher m = BANK_CARD_PATTERN.matcher(bankCardNumber);return m.matches();}/*** 获取客户端IP地址.** @paramrequest request请求*@return ip地址*/public static String getIpAddr(HttpServletRequest request) {String ip = request.getHeader("Cdn-Src-Ip");if (ip == null|| ip.length() ==0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("X-Forwarded-For");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();}if (StringUtils.hasText(ip)) {return StringUtils.tokenizeToStringArray(ip, ",")[0];}return "";}/*** 获取当前系统时间,以java.sql.Timestamp类型返回.** @return 当前时间*/public static Timestamp getTimestamp() {Timestamp d = new Timestamp(System.currentTimeMillis());return d;}/*** 生成32位编码,不含横线** @return uuid串*/public static String getUUID() {String uuid = UUID.randomUUID().toString().trim().replaceAll("-", "");return uuid.toUpperCase();}/*** 生成MD5编码** @param data 要编码的字符串* @return 加密后的字符串*/public static String md5(String data) {return md5(data, 1);}/*** 生成MD5编码** @param data 要编码的字符串* @param time 加密次数* @return 加密后的字符串*/public static String md5(String data, int time) {byte[] bytes = data == null ? new byte[0] : data.getBytes(Constants.UTF8);while (time-- > 1) {bytes = DigestUtils.md5Digest(bytes);}returnDigestUtils.md5DigestAsHex(bytes).toUpperCase();}/*** 空字符串转为null** @param object 要规则化的对象* @param <T> 对象类型* @return 规则化后的对象*/public static <T> T normalizeBlankStringFields(T object) {if (object == null) return null;PropertyUtilsBean utils = BeanUtilsBean.getInstance().getPropertyUtils();Stream.of(utils.getPropertyDescriptors(object)).forEach(pd -> {try {Object value = utils.getNestedProperty(object, pd.getName());if (value == null) return;if (!StringUtils.hasText(value.toString())) {utils.setNestedProperty(object, pd.getName(), null);}} catch(Throwable e) {}});return object;}/*** 通过身份证获取性别** @param idNumber 身份证号* @return 返回性别, 0 保密 , 1 男 2 女*/public staticIntegergetGenderByIdNumber(String idNumber) {int gender = 0;if (idNumber.length() == 15) {gender = Integer.parseInt(String.valueOf(idNumber.charAt(14))) %2 == 0 ? 2 : 1;} else if (idNumber.length() == 18) {gender = Integer.parseInt(String.valueOf(idNumber.charAt(16))) % 2 == 0 ? 2 : 1;}returngender;}/*** 通过身份证获取生日** @param idNumber 身份证号* @return 返回生日, 格式为 yyyy-MM-dd 的字符串*/public static String getBirthdayByIdNumber(String idNumber) {String birthday = "";if (idNumber.length() == 15) {birthday = "19" + idNumber.substring(6, 8) + "-" + idNumber.substring(8, 10) + "-" + idNumber.substring(10, 12);} else if (idNumber.length() == 18) {birthday = idNumber.substring(6, 10) + "-" + idNumber.substring(10, 12) + "-" + idNumber.substring(12, 14);}return birthday;}/*** 通过身份证获取年龄** @param idNumber 身份证号* @return返回年龄*/public static Integer getAgeByIdNumber(String idNumber) {String birthString = getBirthdayByIdNumber(idNumber);if(StringUtils.isEmpty(birthString)) {return 0;}return getAgeByBirthString(birthString);}/*** 通过身份证获取年龄** @param idNumber 身份证号* @paramisNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否*@return 返回年龄*/public static Integer getAgeByIdNumber(String idNumber, boolean isNominalAge) {String birthString = getBirthdayByIdNumber(idNumber);if (StringUtils.isEmpty(birthString)) {return 0;}returngetAgeByBirthString(birthString, isNominalAge);}/*** 通过生日日期获取年龄** @param birthDate 生日日期* @return 返回年龄*/public static Integer getAgeByBirthDate(Date birthDate) {return getAgeByBirthString(new SimpleDateFormat("yyyy-MM-dd").format(birthDate));}/*** 通过生日字符串获取年龄** @param birthString 生日字符串* @return 返回年龄*/public static Integer getAgeByBirthString(String birthString) {return getAgeByBirthString(birthString, "yyyy-MM-dd");}/*** 通过生日字符串获取年龄** @param birthString 生日字符串* @paramisNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否*@return 返回年龄*/public static Integer getAgeByBirthString(String birthString, boolean isNominalAge) {returngetAgeByBirthString(birthString,"yyyy-MM-dd", isNominalAge);}/*** 通过生日字符串获取年龄** @param birthString 生日字符串* @paramformat 日期字符串格式,为空则默认"yyyy-MM-dd"*@return 返回年龄*/public static Integer getAgeByBirthString(String birthString, String format) {return getAgeByBirthString(birthString, "yyyy-MM-dd", false);}/*** 通过生日字符串获取年龄** @param birthString 生日字符串* @param format 日期字符串格式,为空则默认"yyyy-MM-dd"* @param isNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否* @return 返回年龄*/public static Integer getAgeByBirthString(String birthString, String format,boolean isNominalAge) {int age = 0;if (StringUtils.isEmpty(birthString)) {return age;}if (StringUtils.isEmpty(format)) {format = "yyyy-MM-dd";}try {Calendar birthday = Calendar.getInstance();Calendar today = Calendar.getInstance();SimpleDateFormat sdf = newSimpleDateFormat(format);birthday.setTime(sdf.parse(birthString));age = today.get(Calendar.YEAR) - birthday.get(Calendar.YEAR);if (!isNominalAge) {if(today.get(Calendar.MONTH) < birthday.get(Calendar.MONTH) ||(today.get(Calendar.MONTH) == birthday.get(Calendar.MONTH) &&today.get(Calendar.DAY_OF_MONTH) < birthday.get(Calendar.DAY_OF_MONTH))) {age = age -1;}}} catch (ParseException e) {e.printStackTrace();}returnage;}/*** 手机号中间四位替换成星号** @param mobile* @return*/public static String maskMobile(String mobile) {if(validateMobile(mobile)) {return mobile.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1$2");}return mobile;}/*** 手机号中间四位自定义替换** @parammobile*@param transCode 中间四位目标值如GXJF 将136GXJF1111* @return*/public static String maskMobile(String mobile, String transCode) {if(validateMobile(mobile)) {transCode = StringUtils.isEmpty(transCode) ?"****" : transCode;return mobile.replaceAll("(\\d{3})\\d{4}(\\d{4})", String.format("$1%s$2", transCode));}return mobile;}/*** 邮箱地址加星号** @param email* @return*/public static String maskEmail(String email) {if (validateEmail(email)) {String userName = email.substring(0, email.indexOf("@"));int len = userName.length();if (len >= 5) {int total = len - 3;int half = total / 2;int start = half;int end = len - half;if (total % 2 != 0) {end = end - 1;}StringBuilder sb = new StringBuilder(email);for (inti = start; i < end; i++) {sb.setCharAt(i,*);}return sb.toString();}}return email;}/*** 账号中间四位自定义替换** @param account* @return*/public static String maskTradeAccount(String account) {return account.replaceAll("(\\d{7})\\d*(\\d{4})", "$1$2");}/ 读取jsonResult的value中的某个属性值@param jsonResult @param attrName @return/public static String readJSONResultValueAttr(JSONResult jsonResult, String attrName) {String ret = "";try{ret = ((JSONObject) jsonResult.getValue()).get(attrName).toString();}catch (Exception e) {//e.printStackTrace();}return ret;}/ 验证是否为日期 @param date @return/public static boolean validateDate(String date) {boolean convertSuccess = true;SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd");try {format.setLenient(false);format.parse(date);}catch (ParseException e) {convertSuccess = false;}return convertSuccess;}/ 获取时间戳,作为递增的ID/private static final Lock lock = new ReentrantLock(); //锁对象public static long getUniqueLong() {long l;lock.lock();try{l = System.currentTimeMillis();}finally {lock.unlock();}return l;}/ 解析出url参数中的键值对 如 "index.jsp?Action=del&id=123"，解析出Action:del,id:123存入map中@param URL url地址 @return url请求参数部分/public static String getUrlParams(String URL, String key) {Map<String, String> mapRequest =new HashMap<String, String>();String[] arrSplit = null;String strUrlParam = null;java.net.URL aURL = null;try {aURL = new URL(URL);strUrlParam = aURL.getQuery();} catch (MalformedURLException e) {e.printStackTrace();}if (strUrlParam == null) {return "";}arrSplit = strUrlParam.split("[&]");for (String strSplit : arrSplit) {String[] arrSplitEqual = null;arrSplitEqual = strSplit.split("[=]");if (arrSplitEqual.length > 1) {mapRequest.put(arrSplitEqual[0], arrSplitEqual[1]);} else {if (!StringUtils.isEmpty(arrSplitEqual[0])) {mapRequest.put(arrSplitEqual[0], "");}}}if (mapRequest.containsKey(key)) {try {return URLDecoder.decode(mapRequest.get(key), "UTF-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (Exception e) {}}return "";}/ 生成随机密码@param pwd_len 生成的密码的总长度 @return 密码的字符串/public static String genRandomNum(int pwd_len) {// 35是因为数组是从0开始的，26个字母+10个数字final intmaxNum =36;int i; // 生成的随机数int count = 0; // 生成的密码的长度char[] str = {a, b, c, d, e, f, g, h, i, j, k,l, m, n, o, p, q, r, s, t, u, v, w,x, y, z, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};StringBuffer pwd =new StringBuffer("");Random r = new Random();while (count < pwd_len) {// 生成随机数，取绝对值，防止生成负数，i = Math.abs(r.nextInt(maxNum)); // 生成的数最大为36-1if (i >= 0&& i < str.length) {pwd.append(str[i]);count++;}}return pwd.toString();}}

居然可以这样（java软件开发工具包）java开发工具包jdk包括，Java开发常用工具类，java身份证号中间星号，

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居然可以这样（java软件开发工具包）java开发工具包jdk包括，Java开发常用工具类，java身份证号中间星号，

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