【第001篇】Java工具类之敏感数据脱敏（如身份证、手机号码、电子邮箱、银行账号、姓名、地址脱敏）

【第001篇】Java工具类之敏感数据脱敏（如身份证、手机号码、电子邮箱、银行账号、姓名、地址脱敏）

dules.utils;import org.apachemons.lang3.StringUtils;import Matcher;
import Pattern;/*** 敏感数据脱敏工具类*/
public class Desensitization {/*** 身份证号脱敏** @param idCard* @return*/public static String idCardDesensitization(String idCard) {if (StringUtils.isNotEmpty(idCard)) {// 身份证号脱敏规则一：保留前六后三if (idCard.length() == 15) {idCard = placeAll("(\w{6})\w*(\w{3})", "$1******$2");} else if (idCard.length() == 18) {idCard = placeAll("(\w{6})\w*(\w{3})", "$1*********$2");}// 身份证号脱敏规则二：保留前三后四// idCard = placeAll("(?<=\w{3})\w(?=\w{4})", "*");}return idCard;}/*** 手机号码脱敏** @param mobilePhone* @return*/public static String mobilePhoneDesensitization(String mobilePhone) {// 手机号码保留前三后四if (StringUtils.isNotEmpty(mobilePhone)) {mobilePhone = placeAll("(\d{3})\d{4}(\d{4})", "$1****$2");}return mobilePhone;}/*** 电子邮箱脱敏** @param email* @return*/public static String emailDesensitization(String email) {// 电子邮箱隐藏@前面的3个字符if (StringUtils.isEmpty(email)) {return email;}String encrypt = placeAll("(\w+)\w{3}@(\w+)", "$1***@$2");if (email.equalsIgnoreCase(encrypt)) {encrypt = placeAll("(\w*)\w{1}@(\w+)", "$1*@$2");}return encrypt;}/*** 银行账号脱敏** @param acctNo* @return*/public static String acctNoDesensitization(String acctNo) {// 银行账号保留前六后四if (StringUtils.isNotEmpty(acctNo)) {String regex = "(\w{6})(.*)(\w{4})";Matcher m = Patternpile(regex).matcher(acctNo);if (m.find()) {String rep = m.group(2);StringBuilder sb = new StringBuilder();for (int i = 0; i < rep.length(); i++) {sb.append("*");}acctNo = placeAll(rep, sb.toString());}}return acctNo;}/*** 客户名称脱敏** @param custName* @return*/public static String custNameDesensitization(String custName) {// 规则说明：// 姓名：字符长度小于5位；企业名称：字符长度大于等于5位。// 姓名规则// 规则一：1个字则不脱敏，如"张"-->"张"// 规则二：2个字则脱敏第二个字，如"张三"-->"张*"// 规则三：3个字则脱敏第二个字，如"张三丰"-->"张*丰"// 规则四：4个字则脱敏中间两个字，如"易烊千玺"-->"易**玺"// 企业名称规则：// 从第4位开始隐藏，最多隐藏6位。if (StringUtils.isNotEmpty(custName)) {char[] chars = CharArray();if (chars.length < 5) {// 表示姓名if (chars.length > 1) {StringBuffer sb = new StringBuffer();for (int i = 0; i < chars.length - 2; i++) {sb.append("*");}custName = placeAll(custName.substring(1, chars.length - 1), sb.toString());}} else {// 企业名称int start = 4;// 第一部分String str1 = custName.substring(0, start);// 第二部分String str2 = "";if (chars.length == 5) {str2 = "*";} else if (chars.length == 6) {str2 = "**";} else if (chars.length == 7) {str2 = "***";} else if (chars.length == 8) {str2 = "****";} else if (chars.length == 9) {str2 = "*****";} else {str2 = "******";}// 通过计算得到第三部分需要从第几个字符截取int subIndex = start + str2.length();// 第三部分String str3 = custName.substring(subIndex);StringBuffer sb = new StringBuffer();sb.append(str1);sb.append(str2);sb.append(str3);custName = sb.toString();}}return custName;}/*** 家庭地址脱敏** @param address* @return*/public static String addressDesensitization(String address) {// 规则说明：从第4位开始隐藏，隐藏8位。if (StringUtils.isNotEmpty(address)) {char[] chars = CharArray();if (chars.length > 11) {// 由于需要从第4位开始，隐藏8位，因此数据长度必须大于11位// 获取第一部分内容String str1 = address.substring(0, 4);// 获取第二部分String str2 = "********";// 获取第三部分String str3 = address.substring(12);StringBuffer sb = new StringBuffer();sb.append(str1);sb.append(str2);sb.append(str3);address = sb.toString();}}return address;}//下面代码是从别人博客看到的。/*** 定义所有常量*/public static final int ONE = 1;public static final int TWO = 2;/*** 姓名脱敏** @param realName* @return*/public static String desensitizedName(String realName) {if (realName == null) {return null;}if (realName.length() == ONE) {return realName;} else if (realName.length() == TWO) {return realName.substring(0, 1) +"*";} else {Integer length = realName.length();StringBuffer middle = new StringBuffer();for (int i = 0; i < realName.substring(1, length - 1).length(); i++) {middle.append("*");}return realName.substring(0, 1) + middle + realName.substring(length - 1, length);}}/*** 详细地址脱敏** @param address* @return*/public static  String desensitizedAddress(String address){//江西省宜春市丰城市剑南街道人才教育小区41号丰城住总运营有限公司-->江西省宜春市丰城市剑南街道人才教育小区*************if (StringUtils.isNotEmpty(address)) {int length = address.length();int indes = address.indexOf("区");if (indes == -1) {indes = address.indexOf("市");}address = address.substring(0, indes + 1);StringBuffer middle = new StringBuffer();for (int i = 0; i < length - indes; i++) {middle.append("*");}return address + middle;}return address;}/*** 对字符串进行脱敏操作** @param origin          原始字符串* @param prefixNoMaskLen 左侧需要保留几位明文字段* @param suffixNoMaskLen 右侧需要保留几位明文字段* @param maskStr         用于遮罩的字符串, 如'*'* @return 脱敏后结果*/public static String desValue(String origin, int prefixNoMaskLen, int suffixNoMaskLen, String maskStr) {if (origin == null) {return null;}StringBuilder sb = new StringBuilder();for (int i = 0, n = origin.length(); i < n; i++) {if (i < prefixNoMaskLen) {sb.append(origin.charAt(i));continue;}if (i > (n - suffixNoMaskLen - 1)) {sb.append(origin.charAt(i));continue;}sb.append(maskStr);}String();}/*** 中文姓名，只显示最后一个汉字，其他隐藏为星号，比如：**梦** @param fullName* @return*/public static String chineseName(String fullName) {if (fullName == null) {return null;}return desValue(fullName, 0, 1, "*");}
}