姓名、身份证号、银行卡号数据脱敏处理

package view;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class DataDesensitize {
    /**
     * 中文名字：只展示姓名第一个字
     * 身份证号：年月日脱敏，前6后4不脱敏
     * 手机号：前三后四不脱敏，中间脱敏
     * 银行卡：前6位和后4位不脱敏，中间脱敏
     */
    private static String replaceStr(String param) {
        int len=param.length();
        if(isContainChinese(param)){
            return param.replaceAll("(.{1})(.*)(.{0})", "$1" + "**" + "$3");
        }
        return param.replaceAll("(.{"+(len<12?3:6)+"})(.*)(.{4})", "$1" +"****" + "$3");
    }

    /**
     * @description:
     * @return: 判断字符串中是否含中文
     * @author: Administrator
     * @date: 2019/10/4
     */
    private static boolean isContainChinese(String str) {
        Pattern p = Pattern.compile("[\u4e00-\u9fa5]");
        Matcher m = p.matcher(str);
        if (m.find()) {
            return true;
        }
        return false;
    }

    public static void main(String[] args) {
        String name = "到桌源码";
        System.out.println(replaceStr(name));
        String id = "551254198807213368";
        System.out.println(replaceStr(id));
        String bankId = "6225337608836806";
        System.out.println(replaceStr(bankId));
    }

}