数据脱敏sensitive(前端或数据库加密，解密)

﹏ヽ暗。殇╰゛Y 2024-03-08 07:02 91阅读 0赞

##  可以对数据加密，解密，对数据库加密的数据进行解密显示，对数据库没有加密的数据进行加密处理展示前端等待 ##

##  1：引入数据如下结构 ##

![在这里插入图片描述][1e713f9d4d2e420d8fc530d44b0eeb08.png]

##  1-1：SensitiveDecode脱敏解密注解 ##

package com.example.poi.desensitization.annotation;
    
    import java.lang.annotation.*;
    
    /**
     * 脱敏解密注解
     * @Author xu
     * @create 2023/9/4 19
     */
    @Documented
    @Retention(RetentionPolicy.RUNTIME)
    @Target({
        ElementType.METHOD})
    public @interface SensitiveDecode {
        
    
        /**
         * 指明需要脱敏的实体类class
         * @return
         */
        Class entity() default Object.class;
    }

##  1-2：SensitiveEncode脱敏加密注解 ##

package com.example.poi.desensitization.annotation;
    
    import java.lang.annotation.*;
    
    /**
     * 脱敏加密注解
     * @Author xu
     * @create 2023/9/4 19
     */
    @Documented
    @Retention(RetentionPolicy.RUNTIME)
    @Target({
        ElementType.METHOD})
    public @interface SensitiveEncode {
        
    
        /**
         * 指明需要脱敏的实体类class
         * @return
         */
        Class entity() default Object.class;
    }

##  1-3：SensitiveField字段注解 ##

package com.example.poi.desensitization.annotation;
    
    import com.example.poi.desensitization.enums.SensitiveEnum;
    
    import java.lang.annotation.*;
    
    /**
     * 字段上定义，标识字段存储的信息是敏感的
     * @Author xu
     * @create 2023/9/4 19
     */
    @Documented
    @Retention(RetentionPolicy.RUNTIME)
    @Target(ElementType.FIELD)
    public @interface SensitiveField {
        
    
        /**
         * 不同类型处理不同
         * @return
         */
        SensitiveEnum type() default SensitiveEnum.ENCODE;
    }

##  1-4：SensitiveDataAspect敏感数据切面处理类 ##

package com.example.poi.desensitization.aspect;
    
    import com.example.poi.desensitization.annotation.SensitiveDecode;
    import com.example.poi.desensitization.annotation.SensitiveEncode;
    import com.example.poi.desensitization.utils.SensitiveInfoUtil;
    import lombok.extern.slf4j.Slf4j;
    
    import org.aspectj.lang.ProceedingJoinPoint;
    import org.aspectj.lang.annotation.Around;
    import org.aspectj.lang.annotation.Aspect;
    import org.aspectj.lang.annotation.Pointcut;
    import org.aspectj.lang.reflect.MethodSignature;
    import org.springframework.stereotype.Component;
    
    import java.lang.reflect.Method;
    import java.util.List;
    
    /**
     * 敏感数据切面处理类
     * @Author xu
     * @create 2023/9/4 20
     */
    @Slf4j
    @Aspect
    @Component
    public class SensitiveDataAspect {
        
    
        /**
         * 定义切点Pointcut
         */
        @Pointcut("@annotation(com.example.poi.desensitization.annotation.SensitiveEncode) || @annotation(com.example.poi.desensitization.annotation.SensitiveDecode)")
        public void sensitivePointCut() {
        
        }
    
        @Around("sensitivePointCut()")
        public Object around(ProceedingJoinPoint point) throws Throwable {
        
            // 处理结果
            Object result = point.proceed();
            if(result == null){
        
                return result;
            }
            Class resultClass = result.getClass();
            log.debug(" resultClass  = {}" , resultClass);
    
            if(resultClass.isPrimitive()){
        
                //是基本类型 直接返回 不需要处理
                return result;
            }
            // 获取方法注解信息：是哪个实体、是加密还是解密
            boolean isEncode = true;
            Class entity = null;
            MethodSignature methodSignature = (MethodSignature) point.getSignature();
            Method method = methodSignature.getMethod();
            SensitiveEncode encode = method.getAnnotation(SensitiveEncode.class);
            if(encode==null){
        
                SensitiveDecode decode = method.getAnnotation(SensitiveDecode.class);
                if(decode!=null){
        
                    entity = decode.entity();
                    isEncode = false;
                }
            }else{
        
                entity = encode.entity();
            }
    
            long startTime=System.currentTimeMillis();
            if(resultClass.equals(entity) || entity.equals(Object.class)){
        
                // 方法返回实体和注解的entity一样，如果注解没有申明entity属性则认为是(方法返回实体和注解的entity一样)
                SensitiveInfoUtil.handlerObject(result, isEncode);
            } else if(result instanceof List){
        
                // 方法返回List<实体>
                SensitiveInfoUtil.handleList(result, entity, isEncode);
            }else{
        
                // 方法返回一个对象
                SensitiveInfoUtil.handleNestedObject(result, entity, isEncode);
            }
            long endTime=System.currentTimeMillis();
            log.info((isEncode ? "加密操作，" : "解密操作，") + "Aspect程序耗时：" + (endTime - startTime) + "ms");
    
            return result;
        }
    
    }

##  1-5：SensitiveEnum ##

package com.example.poi.desensitization.enums;
    
    /**
     * 敏感字段信息类型
     * @Author xu
     * @create 2023/9/4 19
     */
    public enum SensitiveEnum {
        
    
    
        /**
         * 加密
         */
        ENCODE,
    
        /**
         * 中文名
         */
        CHINESE_NAME,
    
        /**
         * 身份证号
         */
        ID_CARD,
    
        /**
         * 座机号
         */
        FIXED_PHONE,
    
        /**
         * 手机号
         */
        MOBILE_PHONE,
    
        /**
         * 地址
         */
        ADDRESS,
    
        /**
         * 电子邮件
         */
        EMAIL,
    
        /**
         * 银行卡
         */
        BANK_CARD,
    
        /**
         * 公司开户银行联号
         */
        CNAPS_CODE;
    
    
    }

##  1-6：AesEncryptUtil加密工具类 ##

package com.example.poi.desensitization.utils.encryption;
    
    
    import cn.hutool.core.codec.Base64;
    import cn.hutool.crypto.SecureUtil;
    //import org.apache.shiro.codec.Base64;
    import javax.crypto.Cipher;
    import javax.crypto.spec.IvParameterSpec;
    import javax.crypto.spec.SecretKeySpec;
    
    /**
     * @Description: AES 加密
     * @Author xu
     * @create 2023/9/4 19
     */
    public class AesEncryptUtil {
        
    
        /**
         * 使用AES-128-CBC加密模式 key和iv可以相同
         */
        private static String KEY = EncryptedString.key;
        private static String IV = EncryptedString.iv;
    
        /**
         * 加密方法
         * @param data  要加密的数据
         * @param key 加密key
         * @param iv 加密iv
         * @return 加密的结果
         * @throws Exception
         */
        public static String encrypt(String data, String key, String iv) throws Exception {
        
            try {
        
    
                //"算法/模式/补码方式"NoPadding PkcsPadding
                Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
                int blockSize = cipher.getBlockSize();
    
                byte[] dataBytes = data.getBytes();
                int plaintextLength = dataBytes.length;
                if (plaintextLength % blockSize != 0) {
        
                    plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
                }
    
                byte[] plaintext = new byte[plaintextLength];
                System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
    
                SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
                IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
    
                cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
                byte[] encrypted = cipher.doFinal(plaintext);
    
                return Base64.encode(encrypted);
                //return Base64.encodeToString(encrypted);
    
            } catch (Exception e) {
        
                e.printStackTrace();
                return null;
            }
        }
    
        /**
         * 解密方法
         * @param data 要解密的数据
         * @param key  解密key
         * @param iv 解密iv
         * @return 解密的结果
         * @throws Exception
         */
        public static String desEncrypt(String data, String key, String iv) throws Exception {
        
            //update-begin-author:taoyan date:2022-5-23 for:VUEN-1084 【vue3】online表单测试发现的新问题 6、解密报错 ---解码失败应该把异常抛出去，在外面处理
            byte[] encrypted1 = Base64.decode(data);
    
            Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
            SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
            IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
    
            cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
    
            byte[] original = cipher.doFinal(encrypted1);
            String originalString = new String(original);
            //加密解码后的字符串会出现\u0000
            return originalString.replaceAll("\\u0000", "");
            //update-end-author:taoyan date:2022-5-23 for:VUEN-1084 【vue3】online表单测试发现的新问题 6、解密报错 ---解码失败应该把异常抛出去，在外面处理
        }
    
        /**
         * 使用默认的key和iv加密
         * @param data
         * @return
         * @throws Exception
         */
        public static String encrypt(String data) throws Exception {
        
            return encrypt(data, KEY, IV);
        }
    
        /**
         * 使用默认的key和iv解密
         * @param data
         * @return
         * @throws Exception
         */
        public static String desEncrypt(String data) throws Exception {
        
            return desEncrypt(data, KEY, IV);
        }
    
    
        /**
         * 测试
         */
        public static void main(String args[]) throws Exception {
        
            String test1 = "sa";
            String test =new String(test1.getBytes(),"UTF-8");
            String data = "4I80+jJsZ/aR+n+MsRd7qw==";
            String key =  KEY;
            String iv = IV;
            String jiemi =desEncrypt(data, key, iv).trim();
            System.out.println("解密："+jiemi);
            String aa="1234567897891";
            String encrypt = SecureUtil.aes(key.getBytes()).encryptBase64(aa);
            String s = SecureUtil.aes(key.getBytes()).decryptStr(encrypt);
            System.out.println("");
        }
    }

##  1-7：EncryptedString ##

package com.example.poi.desensitization.utils.encryption;
    
    
    import lombok.Data;
    
    /**
     * 秘钥和偏移量
     * @Author xu
     * @create 2023/9/4 19
     */
    @Data
    public class EncryptedString {
        
    
        /**
         * 长度为16个字符
         */
        public static  String key = "1234567890adbcde";
    
        /**
         * 长度为16个字符
         */
        public static  String iv  = "1234567890hjlkew";
    }

##  1-8：CommonConstant通用常量 ##

package com.example.poi.desensitization.utils;
    
    /**
     * @Description: 通用常量
     * @Author xu
     * @create 2023/9/4 19
     */
    public interface CommonConstant {
        
    
        /**
         * 未知的
         */
        String UNKNOWN = "unknown";
        
    
        /**
         * String 类型的空值
         */
        String STRING_NULL = "null";
        
    
    }

##  1-9：oConvertUtils ##

package com.example.poi.desensitization.utils;
    
    import lombok.extern.slf4j.Slf4j;
    
    import org.apache.commons.io.IOUtils;
    import org.springframework.beans.BeanUtils;
    import javax.servlet.http.HttpServletRequest;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.UnsupportedEncodingException;
    import java.lang.reflect.Field;
    import java.math.BigDecimal;
    import java.math.BigInteger;
    import java.net.InetAddress;
    import java.net.NetworkInterface;
    import java.net.SocketException;
    import java.net.UnknownHostException;
    import java.sql.Date;
    import java.util.*;
    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
    
    
    @Slf4j
    public class oConvertUtils {
        
    	public static boolean isEmpty(Object object) {
        
    		if (object == null) {
        
    			return (true);
    		}
    		if ("".equals(object)) {
        
    			return (true);
    		}
    		if (CommonConstant.STRING_NULL.equals(object)) {
        
    			return (true);
    		}
    		return (false);
    	}
    	
    	public static boolean isNotEmpty(Object object) {
        
    		if (object != null && !"".equals(object) && !object.equals(CommonConstant.STRING_NULL)) {
        
    			return (true);
    		}
    		return (false);
    	}
    
    	public static String decode(String strIn, String sourceCode, String targetCode) {
        
    		String temp = code2code(strIn, sourceCode, targetCode);
    		return temp;
    	}
    
    	@SuppressWarnings("AlibabaLowerCamelCaseVariableNaming")
        public static String StrToUTF(String strIn, String sourceCode, String targetCode) {
        
    		strIn = "";
    		try {
        
    			strIn = new String(strIn.getBytes("ISO-8859-1"), "GBK");
    		} catch (UnsupportedEncodingException e) {
        
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    		return strIn;
    
    	}
    
    	private static String code2code(String strIn, String sourceCode, String targetCode) {
        
    		String strOut = null;
    		if (strIn == null || "".equals(strIn.trim())) {
        
    			return strIn;
    		}
    		try {
        
    			byte[] b = strIn.getBytes(sourceCode);
    			for (int i = 0; i < b.length; i++) {
        
    				System.out.print(b[i] + "  ");
    			}
    			strOut = new String(b, targetCode);
    		} catch (Exception e) {
        
    			e.printStackTrace();
    			return null;
    		}
    		return strOut;
    	}
    
    	public static int getInt(String s, int defval) {
        
    		if (s == null || s == "") {
        
    			return (defval);
    		}
    		try {
        
    			return (Integer.parseInt(s));
    		} catch (NumberFormatException e) {
        
    			return (defval);
    		}
    	}
    
    	public static int getInt(String s) {
        
    		if (s == null || s == "") {
        
    			return 0;
    		}
    		try {
        
    			return (Integer.parseInt(s));
    		} catch (NumberFormatException e) {
        
    			return 0;
    		}
    	}
    
    	public static int getInt(String s, Integer df) {
        
    		if (s == null || s == "") {
        
    			return df;
    		}
    		try {
        
    			return (Integer.parseInt(s));
    		} catch (NumberFormatException e) {
        
    			return 0;
    		}
    	}
    
    	public static Integer[] getInts(String[] s) {
        
    		if (s == null) {
        
    			return null;
    		}
    		Integer[] integer = new Integer[s.length];
    		for (int i = 0; i < s.length; i++) {
        
    			integer[i] = Integer.parseInt(s[i]);
    		}
    		return integer;
    
    	}
    
    	public static double getDouble(String s, double defval) {
        
    		if (s == null || s == "") {
        
    			return (defval);
    		}
    		try {
        
    			return (Double.parseDouble(s));
    		} catch (NumberFormatException e) {
        
    			return (defval);
    		}
    	}
    
    	public static double getDou(Double s, double defval) {
        
    		if (s == null) {
        
    			return (defval);
    		}
    		return s;
    	}
    
    	/*public static Short getShort(String s) {
    		if (StringUtil.isNotEmpty(s)) {
    			return (Short.parseShort(s));
    		} else {
    			return null;
    		}
    	}*/
    
    	public static int getInt(Object object, int defval) {
        
    		if (isEmpty(object)) {
        
    			return (defval);
    		}
    		try {
        
    			return (Integer.parseInt(object.toString()));
    		} catch (NumberFormatException e) {
        
    			return (defval);
    		}
    	}
    	
    	public static Integer getInt(Object object) {
        
    		if (isEmpty(object)) {
        
    			return null;
    		}
    		try {
        
    			return (Integer.parseInt(object.toString()));
    		} catch (NumberFormatException e) {
        
    			return null;
    		}
    	}
    
    	public static int getInt(BigDecimal s, int defval) {
        
    		if (s == null) {
        
    			return (defval);
    		}
    		return s.intValue();
    	}
    
    	public static Integer[] getIntegerArry(String[] object) {
        
    		int len = object.length;
    		Integer[] result = new Integer[len];
    		try {
        
    			for (int i = 0; i < len; i++) {
        
    				result[i] = new Integer(object[i].trim());
    			}
    			return result;
    		} catch (NumberFormatException e) {
        
    			return null;
    		}
    	}
    
    	public static String getString(String s) {
        
    		return (getString(s, ""));
    	}
    
    	/**
    	 * 转义成Unicode编码
    	 * @param s
    	 * @return
    	 */
    	/*public static String escapeJava(Object s) {
    		return StringEscapeUtils.escapeJava(getString(s));
    	}*/
    	
    	public static String getString(Object object) {
        
    		if (isEmpty(object)) {
        
    			return "";
    		}
    		return (object.toString().trim());
    	}
    
    	public static String getString(int i) {
        
    		return (String.valueOf(i));
    	}
    
    	public static String getString(float i) {
        
    		return (String.valueOf(i));
    	}
    
    	public static String getString(String s, String defval) {
        
    		if (isEmpty(s)) {
        
    			return (defval);
    		}
    		return (s.trim());
    	}
    
    	public static String getString(Object s, String defval) {
        
    		if (isEmpty(s)) {
        
    			return (defval);
    		}
    		return (s.toString().trim());
    	}
    
    	public static long stringToLong(String str) {
        
    		Long test = new Long(0);
    		try {
        
    			test = Long.valueOf(str);
    		} catch (Exception e) {
        
    		}
    		return test.longValue();
    	}
    
    	/**
    	 * 获取本机IP
    	 */
    	public static String getIp() {
        
    		String ip = null;
    		try {
        
    			InetAddress address = InetAddress.getLocalHost();
    			ip = address.getHostAddress();
    
    		} catch (UnknownHostException e) {
        
    			e.printStackTrace();
    		}
    		return ip;
    	}
    
    	/**
    	 * 判断一个类是否为基本数据类型。
    	 * 
    	 * @param clazz
    	 *            要判断的类。
    	 * @return true 表示为基本数据类型。
    	 */
    	private static boolean isBaseDataType(Class clazz) throws Exception {
        
    		return (clazz.equals(String.class) || clazz.equals(Integer.class) || clazz.equals(Byte.class) || clazz.equals(Long.class) || clazz.equals(Double.class) || clazz.equals(Float.class) || clazz.equals(Character.class) || clazz.equals(Short.class) || clazz.equals(BigDecimal.class) || clazz.equals(BigInteger.class) || clazz.equals(Boolean.class) || clazz.equals(Date.class) || clazz.isPrimitive());
    	}
    
    	/**
    	 * @param request
    	 *            IP
    	 * @return IP Address
    	 */
    	public static String getIpAddrByRequest(HttpServletRequest request) {
        
    		String ip = request.getHeader("x-forwarded-for");
    		if (ip == null || ip.length() == 0 || CommonConstant.UNKNOWN.equalsIgnoreCase(ip)) {
        
    			ip = request.getHeader("Proxy-Client-IP");
    		}
    		if (ip == null || ip.length() == 0 || CommonConstant.UNKNOWN.equalsIgnoreCase(ip)) {
        
    			ip = request.getHeader("WL-Proxy-Client-IP");
    		}
    		if (ip == null || ip.length() == 0 || CommonConstant.UNKNOWN.equalsIgnoreCase(ip)) {
        
    			ip = request.getRemoteAddr();
    		}
    		return ip;
    	}
    
    	/**
    	 * @return 本机IP
    	 * @throws SocketException
    	 */
    	public static String getRealIp() throws SocketException {
        
            // 本地IP，如果没有配置外网IP则返回它
    		String localip = null;
            // 外网IP
    		String netip = null;
    
    		Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
    		InetAddress ip = null;
            // 是否找到外网IP
    		boolean finded = false;
    		while (netInterfaces.hasMoreElements() && !finded) {
        
    			NetworkInterface ni = netInterfaces.nextElement();
    			Enumeration<InetAddress> address = ni.getInetAddresses();
    			while (address.hasMoreElements()) {
        
    				ip = address.nextElement();
                    // 外网IP
    				if (!ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {
        
    					netip = ip.getHostAddress();
    					finded = true;
    					break;
    				} else if (ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {
        
                        // 内网IP
    				    localip = ip.getHostAddress();
    				}
    			}
    		}
    
    		if (netip != null && !"".equals(netip)) {
        
    			return netip;
    		} else {
        
    			return localip;
    		}
    	}
    
    	/**
    	 * java去除字符串中的空格、回车、换行符、制表符
    	 * 
    	 * @param str
    	 * @return
    	 */
    	public static String replaceBlank(String str) {
        
    		String dest = "";
    		if (str != null) {
        
    		    String reg = "\\s*|\t|\r|\n";
    			Pattern p = Pattern.compile(reg);
    			Matcher m = p.matcher(str);
    			dest = m.replaceAll("");
    		}
    		return dest;
    
    	}
    
    	/**
    	 * 判断元素是否在数组内
    	 * 
    	 * @param substring
    	 * @param source
    	 * @return
    	 */
    	public static boolean isIn(String substring, String[] source) {
        
    		if (source == null || source.length == 0) {
        
    			return false;
    		}
    		for (int i = 0; i < source.length; i++) {
        
    			String aSource = source[i];
    			if (aSource.equals(substring)) {
        
    				return true;
    			}
    		}
    		return false;
    	}
    
    	/**
    	 * 获取Map对象
    	 */
    	public static Map<Object, Object> getHashMap() {
        
    		return new HashMap<>(5);
    	}
    
    	/**
    	 * SET转换MAP
    	 * 
    	 * @param str
    	 * @return
    	 */
    	public static Map<Object, Object> setToMap(Set<Object> setobj) {
        
    		Map<Object, Object> map = getHashMap();
    		for (Iterator iterator = setobj.iterator(); iterator.hasNext();) {
        
    			Map.Entry<Object, Object> entry = (Map.Entry<Object, Object>) iterator.next();
    			map.put(entry.getKey().toString(), entry.getValue() == null ? "" : entry.getValue().toString().trim());
    		}
    		return map;
    
    	}
    
    	public static boolean isInnerIp(String ipAddress) {
        
    		boolean isInnerIp = false;
    		long ipNum = getIpNum(ipAddress);
    		/**
    		 * 私有IP：A类 10.0.0.0-10.255.255.255 B类 172.16.0.0-172.31.255.255 C类 192.168.0.0-192.168.255.255 当然，还有127这个网段是环回地址
    		 **/
    		long aBegin = getIpNum("10.0.0.0");
    		long aEnd = getIpNum("10.255.255.255");
    		long bBegin = getIpNum("172.16.0.0");
    		long bEnd = getIpNum("172.31.255.255");
    		long cBegin = getIpNum("192.168.0.0");
    		long cEnd = getIpNum("192.168.255.255");
    		String localIp = "127.0.0.1";
    		isInnerIp = isInner(ipNum, aBegin, aEnd) || isInner(ipNum, bBegin, bEnd) || isInner(ipNum, cBegin, cEnd) || localIp.equals(ipAddress);
    		return isInnerIp;
    	}
    
    	private static long getIpNum(String ipAddress) {
        
    		String[] ip = ipAddress.split("\\.");
    		long a = Integer.parseInt(ip[0]);
    		long b = Integer.parseInt(ip[1]);
    		long c = Integer.parseInt(ip[2]);
    		long d = Integer.parseInt(ip[3]);
    
    		long ipNum = a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d;
    		return ipNum;
    	}
    
    	private static boolean isInner(long userIp, long begin, long end) {
        
    		return (userIp >= begin) && (userIp <= end);
    	}
    	
    	/**
    	 * 将下划线大写方式命名的字符串转换为驼峰式。
    	 * 如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。</br>
    	 * 例如：hello_world->helloWorld
    	 * 
    	 * @param name
    	 *            转换前的下划线大写方式命名的字符串
    	 * @return 转换后的驼峰式命名的字符串
    	 */
    	public static String camelName(String name) {
        
    		StringBuilder result = new StringBuilder();
    		// 快速检查
    		if (name == null || name.isEmpty()) {
        
    			// 没必要转换
    			return "";
    		} else if (!name.contains(SymbolConstant.UNDERLINE)) {
        
    			// 不含下划线，仅将首字母小写
    			//update-begin--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
    			//update-begin--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
    			return name.substring(0, 1).toLowerCase() + name.substring(1).toLowerCase();
    			//update-end--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
    		}
    		// 用下划线将原始字符串分割
    		String[] camels = name.split("_");
    		for (String camel : camels) {
        
    			// 跳过原始字符串中开头、结尾的下换线或双重下划线
    			if (camel.isEmpty()) {
        
    				continue;
    			}
    			// 处理真正的驼峰片段
    			if (result.length() == 0) {
        
    				// 第一个驼峰片段，全部字母都小写
    				result.append(camel.toLowerCase());
    			} else {
        
    				// 其他的驼峰片段，首字母大写
    				result.append(camel.substring(0, 1).toUpperCase());
    				result.append(camel.substring(1).toLowerCase());
    			}
    		}
    		return result.toString();
    	}
    	
    	/**
    	 * 将下划线大写方式命名的字符串转换为驼峰式。
    	 * 如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。</br>
    	 * 例如：hello_world,test_id->helloWorld,testId
    	 * 
    	 * @param names
    	 *            转换前的下划线大写方式命名的字符串
    	 * @return 转换后的驼峰式命名的字符串
    	 */
    	public static String camelNames(String names) {
        
    		if(names==null||"".equals(names)){
        
    			return null;
    		}
    		StringBuffer sf = new StringBuffer();
    		String[] fs = names.split(",");
    		for (String field : fs) {
        
    			field = camelName(field);
    			sf.append(field + ",");
    		}
    		String result = sf.toString();
    		return result.substring(0, result.length() - 1);
    	}
    	
    	//update-begin--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
    	/**
    	 * 将下划线大写方式命名的字符串转换为驼峰式。(首字母写)
    	 * 如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。</br>
    	 * 例如：hello_world->HelloWorld
    	 * 
    	 * @param name
    	 *            转换前的下划线大写方式命名的字符串
    	 * @return 转换后的驼峰式命名的字符串
    	 */
    	public static String camelNameCapFirst(String name) {
        
    		StringBuilder result = new StringBuilder();
    		// 快速检查
    		if (name == null || name.isEmpty()) {
        
    			// 没必要转换
    			return "";
    		} else if (!name.contains(SymbolConstant.UNDERLINE)) {
        
    			// 不含下划线，仅将首字母小写
    			return name.substring(0, 1).toUpperCase() + name.substring(1).toLowerCase();
    		}
    		// 用下划线将原始字符串分割
    		String[] camels = name.split("_");
    		for (String camel : camels) {
        
    			// 跳过原始字符串中开头、结尾的下换线或双重下划线
    			if (camel.isEmpty()) {
        
    				continue;
    			}
    			// 其他的驼峰片段，首字母大写
    			result.append(camel.substring(0, 1).toUpperCase());
    			result.append(camel.substring(1).toLowerCase());
    		}
    		return result.toString();
    	}
    	//update-end--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
    	
    	/**
    	 * 将驼峰命名转化成下划线
    	 * @param para
    	 * @return
    	 */
    	public static String camelToUnderline(String para){
        
    	    int length = 3;
            if(para.length()<length){
        
            	return para.toLowerCase(); 
            }
            StringBuilder sb=new StringBuilder(para);
            //定位
            int temp=0;
            //从第三个字符开始 避免命名不规范 
            for(int i=2;i<para.length();i++){
        
                if(Character.isUpperCase(para.charAt(i))){
        
                    sb.insert(i+temp, "_");
                    temp+=1;
                }
            }
            return sb.toString().toLowerCase(); 
    	}
    
    	/**
    	 * 随机数
    	 * @param place 定义随机数的位数
    	 */
    	public static String randomGen(int place) {
        
    		String base = "qwertyuioplkjhgfdsazxcvbnmQAZWSXEDCRFVTGBYHNUJMIKLOP0123456789";
    		StringBuffer sb = new StringBuffer();
    		Random rd = new Random();
    		for(int i=0;i<place;i++) {
        
    			sb.append(base.charAt(rd.nextInt(base.length())));
    		}
    		return sb.toString();
    	}
    	
    	/**
    	 * 获取类的所有属性，包括父类
    	 * 
    	 * @param object
    	 * @return
    	 */
    	public static Field[] getAllFields(Object object) {
        
    		Class<?> clazz = object.getClass();
    		List<Field> fieldList = new ArrayList<>();
    		while (clazz != null) {
        
    			fieldList.addAll(new ArrayList<>(Arrays.asList(clazz.getDeclaredFields())));
    			clazz = clazz.getSuperclass();
    		}
    		Field[] fields = new Field[fieldList.size()];
    		fieldList.toArray(fields);
    		return fields;
    	}
    	
    	/**
    	  * 将map的key全部转成小写
    	 * @param list
    	 * @return
    	 */
    	public static List<Map<String, Object>> toLowerCasePageList(List<Map<String, Object>> list){
        
    		List<Map<String, Object>> select = new ArrayList<>();
    		for (Map<String, Object> row : list) {
        
    			 Map<String, Object> resultMap = new HashMap<>(5);
    			 Set<String> keySet = row.keySet(); 
    			 for (String key : keySet) {
         
    				 String newKey = key.toLowerCase(); 
    				 resultMap.put(newKey, row.get(key)); 
    			 }
    			 select.add(resultMap);
    		}
    		return select;
    	}
    
    	/**
    	 * 将entityList转换成modelList
    	 * @param fromList
    	 * @param tClass
    	 * @param <F>
    	 * @param <T>
    	 * @return
    	 */
    	public static<F,T> List<T> entityListToModelList(List<F> fromList, Class<T> tClass){
        
    		if(fromList == null || fromList.isEmpty()){
        
    			return null;
    		}
    		List<T> tList = new ArrayList<>();
    		for(F f : fromList){
        
    			T t = entityToModel(f, tClass);
    			tList.add(t);
    		}
    		return tList;
    	}
    
    	public static<F,T> T entityToModel(F entity, Class<T> modelClass) {
        
    		log.debug("entityToModel : Entity属性的值赋值到Model");
    		Object model = null;
    		if (entity == null || modelClass ==null) {
        
    			return null;
    		}
    
    		try {
        
    			model = modelClass.newInstance();
    		} catch (InstantiationException e) {
        
    			log.error("entityToModel : 实例化异常", e);
    		} catch (IllegalAccessException e) {
        
    			log.error("entityToModel : 安全权限异常", e);
    		}
    		BeanUtils.copyProperties(entity, model);
    		return (T)model;
    	}
    
    	/**
    	 * 判断 list 是否为空
    	 *
    	 * @param list
    	 * @return true or false
    	 * list == null		: true
    	 * list.size() == 0	: true
    	 */
    	public static boolean listIsEmpty(Collection list) {
        
    		return (list == null || list.size() == 0);
    	}
    
    	/**
    	 * 判断 list 是否不为空
    	 *
    	 * @param list
    	 * @return true or false
    	 * list == null		: false
    	 * list.size() == 0	: false
    	 */
    	public static boolean listIsNotEmpty(Collection list) {
        
    		return !listIsEmpty(list);
    	}
    
    	/**
    	 * 读取静态文本内容
    	 * @param url
    	 * @return
    	 */
    	public static String readStatic(String url) {
        
    		String json = "";
    		try {
        
    			//换个写法，解决springboot读取jar包中文件的问题
    			InputStream stream = oConvertUtils.class.getClassLoader().getResourceAsStream(url.replace("classpath:", ""));
    			json = IOUtils.toString(stream,"UTF-8");
    		} catch (IOException e) {
        
    			log.error(e.getMessage(),e);
    		}
    		return json;
    	}
    }

##  1-10：SensitiveInfoUtil ##

package com.example.poi.desensitization.utils;
    
    import com.example.poi.desensitization.enums.SensitiveEnum;
    import com.example.poi.desensitization.annotation.SensitiveField;
    import com.example.poi.desensitization.utils.encryption.AesEncryptUtil;
    import lombok.extern.slf4j.Slf4j;
    
    import java.lang.reflect.Field;
    import java.lang.reflect.ParameterizedType;
    import java.util.Collections;
    import java.util.List;
    
    /**
     * @Author xu
     * @create 2023/9/4 20
     */
    @Slf4j
    public class SensitiveInfoUtil {
        
    
        /**
         * 处理嵌套对象
         * @param obj 方法返回值
         * @param entity 实体class
         * @param isEncode 是否加密（true: 加密操作 / false:解密操作）
         * @throws IllegalAccessException
         */
        public static void handleNestedObject(Object obj, Class entity, boolean isEncode) throws IllegalAccessException {
        
            Field[] fields = obj.getClass().getDeclaredFields();
            for (Field field : fields) {
        
                if(field.getType().isPrimitive()){
        
                    continue;
                }
                if(field.getType().equals(entity)){
        
                    // 对象里面是实体
                    field.setAccessible(true);
                    Object nestedObject = field.get(obj);
                    handlerObject(nestedObject, isEncode);
                    break;
                }else{
        
                    // 对象里面是List<实体>
                    if(field.getGenericType() instanceof ParameterizedType){
        
                        ParameterizedType pt = (ParameterizedType)field.getGenericType();
                        if(pt.getRawType().equals(List.class)){
        
                            if(pt.getActualTypeArguments()[0].equals(entity)){
        
                                field.setAccessible(true);
                                Object nestedObject = field.get(obj);
                                handleList(nestedObject, entity, isEncode);
                                break;
                            }
                        }
                    }
                }
            }
        }
    
        /**
         * 处理Object
         * @param obj 方法返回值
         * @param isEncode 是否加密（true: 加密操作 / false:解密操作）
         * @return
         * @throws IllegalAccessException
         */
        public static Object handlerObject(Object obj, boolean isEncode) throws IllegalAccessException {
        
            log.debug(" obj --> "+ obj.toString());
            long startTime=System.currentTimeMillis();
            if (oConvertUtils.isEmpty(obj)) {
        
                return obj;
            }
            // 判断是不是一个对象
            Field[] fields = obj.getClass().getDeclaredFields();
            for (Field field : fields) {
        
                boolean isSensitiveField = field.isAnnotationPresent(SensitiveField.class);
                if(isSensitiveField){
        
                    // 必须有SensitiveField注解 才作处理
                    if(field.getType().isAssignableFrom(String.class)){
        
                        //必须是字符串类型 才作处理
                        field.setAccessible(true);
                        String realValue = (String) field.get(obj);
                        if(realValue==null || "".equals(realValue)){
        
                            continue;
                        }
                        SensitiveField sf = field.getAnnotation(SensitiveField.class);
                        if(isEncode==true){
        
                            //加密
                            String value = SensitiveInfoUtil.getEncodeData(realValue,  sf.type());
                            field.set(obj, value);
                        }else{
        
                            //解密只处理 encode类型的
                            if(sf.type().equals(SensitiveEnum.ENCODE)){
        
                                String value = SensitiveInfoUtil.getDecodeData(realValue);
                                field.set(obj, value);
                            }
                        }
                    }
                }
            }
            //long endTime=System.currentTimeMillis();
            //log.info((isEncode ? "加密操作，" : "解密操作，") + "当前程序耗时：" + (endTime - startTime) + "ms");
    
            return obj;
        }
    
        /**
         * 处理 List<实体>
         * @param obj
         * @param entity
         * @param isEncode（true: 加密操作 / false:解密操作）
         */
        public static void handleList(Object obj, Class entity, boolean isEncode){
        
            List list = (List)obj;
            if(list.size()>0){
        
                Object first = list.get(0);
                if(first.getClass().equals(entity)){
        
                    for(int i=0; i<list.size(); i++){
        
                        Object temp = list.get(i);
                        try {
        
                            handlerObject(temp, isEncode);
                        } catch (IllegalAccessException e) {
        
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
    
    
        /**
         * 处理数据 获取解密后的数据
         * @param data
         * @return
         */
        public static String getDecodeData(String data){
        
            String result = null;
            try {
        
                result = AesEncryptUtil.desEncrypt(data);
            } catch (Exception exception) {
        
                log.debug("数据解密错误，原数据:"+data);
            }
            //解决debug模式下，加解密失效导致中文被解密变成空的问题
            if(oConvertUtils.isEmpty(result) && oConvertUtils.isNotEmpty(data)){
        
                result = data;
            }
            return result;
        }
    
        /**
         * 处理数据 获取加密后的数据 或是格式化后的数据
         * @param data 字符串
         * @param sensitiveEnum 类型
         * @return 处理后的字符串
         */
        public static String getEncodeData(String data, SensitiveEnum sensitiveEnum){
        
            String result;
            switch (sensitiveEnum){
        
                case ENCODE:
                    try {
        
                        result = AesEncryptUtil.encrypt(data);
                    } catch (Exception exception) {
        
                        log.error("数据加密错误", exception.getMessage());
                        result = data;
                    }
                    break;
                case CHINESE_NAME:
                    result = chineseName(data);
                    break;
                case ID_CARD:
                    result = idCardNum(data);
                    break;
                case FIXED_PHONE:
                    result = fixedPhone(data);
                    break;
                case MOBILE_PHONE:
                    result = mobilePhone(data);
                    break;
                case ADDRESS:
                    result = address(data, 3);
                    break;
                case EMAIL:
                    result = email(data);
                    break;
                case BANK_CARD:
                    result = bankCard(data);
                    break;
                case CNAPS_CODE:
                    result = cnapsCode(data);
                    break;
                default:
                    result = data;
            }
            return result;
        }
    
    
        /**
         * [中文姓名] 只显示第一个汉字，其他隐藏为2个星号
         * @param fullName 全名
         * @return <例子：李**>
         */
        private static String chineseName(String fullName) {
        
            if (oConvertUtils.isEmpty(fullName)) {
        
                return "";
            }
            return formatRight(fullName, 1);
        }
    
        /**
         * [中文姓名] 只显示第一个汉字，其他隐藏为2个星号
         * @param familyName 姓
         * @param firstName 名
         * @return <例子：李**>
         */
        private static String chineseName(String familyName, String firstName) {
        
            if (oConvertUtils.isEmpty(familyName) || oConvertUtils.isEmpty(firstName)) {
        
                return "";
            }
            return chineseName(familyName + firstName);
        }
    
        /**
         * [身份证号] 显示最后四位，其他隐藏。共计18位或者15位。
         * @param id 身份证号
         * @return <例子：*************5762>
         */
        private static String idCardNum(String id) {
        
            if (oConvertUtils.isEmpty(id)) {
        
                return "";
            }
            return formatLeft(id, 4);
    
        }
    
        /**
         * [固定电话] 后四位，其他隐藏
         * @param num 固定电话
         * @return <例子：****1234>
         */
        private static String fixedPhone(String num) {
        
            if (oConvertUtils.isEmpty(num)) {
        
                return "";
            }
            return formatLeft(num, 4);
        }
    
        /**
         * [手机号码] 前三位，后四位，其他隐藏
         * @param num 手机号码
         * @return <例子:138******1234>
         */
        private static String mobilePhone(String num) {
        
            if (oConvertUtils.isEmpty(num)) {
        
                return "";
            }
            int len = num.length();
            if(len<11){
        
                return num;
            }
            return formatBetween(num, 3, 4);
        }
    
        /**
         * [地址] 只显示到地区，不显示详细地址；我们要对个人信息增强保护
         * @param address 地址
         * @param sensitiveSize 敏感信息长度
         * @return <例子：北京市海淀区****>
         */
        private static String address(String address, int sensitiveSize) {
        
            if (oConvertUtils.isEmpty(address)) {
        
                return "";
            }
            int len = address.length();
            if(len<sensitiveSize){
        
                return address;
            }
            return formatRight(address, sensitiveSize);
        }
    
        /**
         * [电子邮箱] 邮箱前缀仅显示第一个字母，前缀其他隐藏，用星号代替，@及后面的地址显示
         * @param email 电子邮箱
         * @return <例子:g**@163.com>
         */
        private static String email(String email) {
        
            if (oConvertUtils.isEmpty(email)) {
        
                return "";
            }
            int index = email.indexOf("@");
            if (index <= 1){
        
                return email;
            }
            String begin = email.substring(0, 1);
            String end = email.substring(index);
            String stars = "**";
            return begin + stars + end;
        }
    
        /**
         * [银行卡号] 前六位，后四位，其他用星号隐藏每位1个星号
         * @param cardNum 银行卡号
         * @return <例子:6222600**********1234>
         */
        private static String bankCard(String cardNum) {
        
            if (oConvertUtils.isEmpty(cardNum)) {
        
                return "";
            }
            return formatBetween(cardNum, 6, 4);
        }
    
        /**
         * [公司开户银行联号] 公司开户银行联行号,显示前两位，其他用星号隐藏，每位1个星号
         * @param code 公司开户银行联号
         * @return <例子:12********>
         */
        private static String cnapsCode(String code) {
        
            if (oConvertUtils.isEmpty(code)) {
        
                return "";
            }
            return formatRight(code, 2);
        }
    
    
        /**
         * 将右边的格式化成*
         * @param str 字符串
         * @param reservedLength 保留长度
         * @return 格式化后的字符串
         */
        private static String formatRight(String str, int reservedLength){
        
            String name = str.substring(0, reservedLength);
            String stars = String.join("", Collections.nCopies(str.length()-reservedLength, "*"));
            return name + stars;
        }
    
        /**
         * 将左边的格式化成*
         * @param str 字符串
         * @param reservedLength 保留长度
         * @return 格式化后的字符串
         */
        private static String formatLeft(String str, int reservedLength){
        
            int len = str.length();
            String show = str.substring(len-reservedLength);
            String stars = String.join("", Collections.nCopies(len-reservedLength, "*"));
            return stars + show;
        }
    
        /**
         * 将中间的格式化成*
         * @param str 字符串
         * @param beginLen 开始保留长度
         * @param endLen 结尾保留长度
         * @return 格式化后的字符串
         */
        private static String formatBetween(String str, int beginLen, int endLen){
        
            int len = str.length();
            String begin = str.substring(0, beginLen);
            String end = str.substring(len-endLen);
            String stars = String.join("", Collections.nCopies(len-beginLen-endLen, "*"));
            return begin + stars + end;
        }
    
    }

##  1-11：SymbolConstant ##

package com.example.poi.desensitization.utils;
    
    /**
     * @Description: 符号和特殊符号常用类
     * @Author xu
     * @create 2023/9/4 19
     */
    public class SymbolConstant {
        
    
        /**
         * 符号：点
         */
        public static final String SPOT = ".";
    
        /**
         * 符号：双斜杠
         */
        public static final String DOUBLE_BACKSLASH = "\\";
    
        /**
         * 符号：冒号
         */
        public static final String COLON = ":";
    
        /**
         * 符号：逗号
         */
        public static final String COMMA = ",";
    
        /**
         * 符号：左花括号 }
         */
        public static final String LEFT_CURLY_BRACKET = "{";
    
        /**
         * 符号：右花括号 }
         */
        public static final String RIGHT_CURLY_BRACKET = "}";
    
        /**
         * 符号：井号 #
         */
        public static final String WELL_NUMBER = "#";
    
        /**
         * 符号：单斜杠
         */
        public static final String SINGLE_SLASH = "/";
    
        /**
         * 符号：双斜杠
         */
        public static final String DOUBLE_SLASH = "//";
    
        /**
         * 符号：感叹号
         */
        public static final String EXCLAMATORY_MARK = "!";
    
        /**
         * 符号：下划线
         */
        public static final String UNDERLINE = "_";
    
        /**
         * 符号：单引号
         */
        public static final String SINGLE_QUOTATION_MARK = "'";
    
        /**
         * 符号：星号
         */
        public static final String ASTERISK = "*";
    
        /**
         * 符号：百分号
         */
        public static final String PERCENT_SIGN = "%";
    
        /**
         * 符号：美元 $
         */
        public static final String DOLLAR = "$";
    
        /**
         * 符号：和 &
         */
        public static final String AND = "&";
    
        /**
         * 符号：../
         */
        public static final String SPOT_SINGLE_SLASH = "../";
    
        /**
         * 符号：..\\
         */
        public static final String SPOT_DOUBLE_BACKSLASH = "..\\";
    
        /**
         * 系统变量前缀 #{
         */
        public static final String SYS_VAR_PREFIX = "#{";
    
        /**
         * 符号 {
        {
         */
        public static final String DOUBLE_LEFT_CURLY_BRACKET = "{
        {";
    
        /**
         * 符号：[
         */
        public static final String SQUARE_BRACKETS_LEFT = "[";
        /**
         * 符号：]
         */
        public static final String SQUARE_BRACKETS_RIGHT = "]";
    
    }

##  2：必须导入的POM的依赖 ##

<dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>5.2.6.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.6</version>
    </dependency>
    <dependency>
        <groupId>cn.hutool</groupId>
        <artifactId>hutool-all</artifactId>
        <version>5.7.10</version>
    </dependency>

[1e713f9d4d2e420d8fc530d44b0eeb08.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/08/b43995d2ac704c1ea61272e1de51e492.png