Anhk丶

Bean转换工具类

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;


@Slf4j
public class BeanHelper {

    public static <T> T copyProperties(Object source, Class<T> target){
        try {
            T t = target.newInstance();
            BeanUtils.copyProperties(source, t);
            return t;
        } catch (Exception e) {
            log.error("【数据转换】数据转换出错，目标对象{}构造函数异常", target.getName(), e);
            //throw new LyException(ExceptionEnum.DATA_TRANSFER_ERROR);
            return null;
        }
    }

    public static <T> List<T> copyWithCollection(List<?> sourceList, Class<T> target){
        try {
            return sourceList.stream().map(s -> copyProperties(s, target)).collect(Collectors.toList());
        } catch (Exception e) {
            log.error("【数据转换】数据转换出错，目标对象{}构造函数异常", target.getName(), e);
            //throw new LyException(ExceptionEnum.DATA_TRANSFER_ERROR);
            return null;
        }
    }

    public static <T> Set<T> copyWithCollection(Set<?> sourceList, Class<T> target){
        try {
            return sourceList.stream().map(s -> copyProperties(s, target)).collect(Collectors.toSet());
        } catch (Exception e) {
            log.error("【数据转换】数据转换出错，目标对象{}构造函数异常", target.getName(), e);
            //throw new LyException(ExceptionEnum.DATA_TRANSFER_ERROR);
            return null;
        }
    }
}

正则校验

import org.apache.commons.lang3.StringUtils;

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


public class RegexUtils {

    /**
     * 手机号正则
     */
    public static final String PHONE_REGEX = "^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\\d{8}$";
    /**
     * 邮箱正则
     */
    public static final String EMAIL_REGEX = "^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$";
    
    /**
     * 是否符合手机格式
     *
     * @param phone 要校验的手机号
     * @return true:符合，false：不符合
     */
    public static boolean isPhone(String phone) {
        return matches(phone, PHONE_REGEX);
    }

    /**
     * 是否符合邮箱格式
     *
     * @param email 要校验的邮箱
     * @return true:符合，false：不符合
     */
    public static boolean isEmail(String email) {
        return matches(email, EMAIL_REGEX);
    }

    private static boolean matches(String str, String regex) {
        if (StringUtils.isBlank(str)) {
            return false;
        }
        return str.matches(regex);
    }

    /**
     * 验证用户名，支持中英文（包括全角字符）、数字、下划线和减号 （全角及汉字算两位）,长度为4-20位,中文按二位计数
     *
     * @param userName
     * @return
     */
    public static boolean validateUserName(String userName) {
        String validateStr = "^[\\w\\-－＿[０-９]\u4e00-\u9fa5\uFF21-\uFF3A\uFF41-\uFF5A]+$";
        boolean rs = false;
        rs = matcher(validateStr, userName);
        if (rs) {
            int strLenth = getStrLength(userName);
            if (strLenth < 4 || strLenth > 20) {
                rs = false;
            }
        }
        return rs;
    }

    /**
     * 获取字符串的长度，对双字符（包括汉字）按两位计数
     *
     * @param value
     * @return
     */
    public static int getStrLength(String value) {
        int valueLength = 0;
        String chinese = "[\u0391-\uFFE5]";
        for (int i = 0; i < value.length(); i++) {
            String temp = value.substring(i, i + 1);
            if (temp.matches(chinese)) {
                valueLength += 2;
            } else {
                valueLength += 1;
            }
        }
        return valueLength;
    }

    private static boolean matcher(String reg, String string) {
        boolean tem = false;
        Pattern pattern = Pattern.compile(reg);
        Matcher matcher = pattern.matcher(string);
        tem = matcher.matches();
        return tem;
    }

    public static void main(String[] args) {
        String str = "０－＿ｆ９ｚｄ中22";
        String st = "Ａ-ｄｑ_!!！！去符号标号！ノチセたのひちぬ！当然。!!..**半角";

        System.out.println(validateUserName(str));
        System.out.println(st.replaceAll("[\\pP&&[^-_]]", ""));
        System.out.println(st.replaceAll("[\\w\\-一-龥Ａ-Ｚａ-ｚ]", ""));
        System.out.println("===========================");
        System.out.println(checkPassWord("aaa_123&"));
        System.out.println(getStrLength("天青色等烟雨"));
    }

    /**
     * 密码复杂度校验（同时包含数字，字母，特殊符号）
     *
     * @param val
     * @return
     */
    public static boolean checkPassWord(String val) {
        String reg = "^^(?![a-zA-z]+$)(?!\\d+$)(?![!@#$%^&*_-]+$)(?![a-zA-z\\d]+$)(?![a-zA-z!@#$%^&*_-]+$)(?![\\d!@#$%^&*_-]+$)[a-zA-Z\\d!@#$%^&*_-]+$";
        return val.matches(reg);
    }
}

Json工具类

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;


public class JsonUtils {

    public static final ObjectMapper mapper = new ObjectMapper();

    private static final Logger logger = LoggerFactory.getLogger(JsonUtils.class);

    public static String toString(Object obj) {
        if (obj == null) {
            return null;
        }
        if (obj.getClass() == String.class) {
            return (String) obj;
        }
        try {
            return mapper.writeValueAsString(obj);
        } catch (JsonProcessingException e) {
            logger.error("json序列化出错：" + obj, e);
            return null;
        }
    }

    public static <T> T toBean(String json, Class<T> tClass) {
        try {
            return mapper.readValue(json, tClass);
        } catch (IOException e) {
            logger.error("json解析出错：" + json, e);
            return null;
        }
    }

    public static <E> List<E> toList(String json, Class<E> eClass) {
        try {
            return mapper.readValue(json, mapper.getTypeFactory().constructCollectionType(List.class, eClass));
        } catch (IOException e) {
            logger.error("json解析出错：" + json, e);
            return null;
        }
    }

    public static <K, V> Map<K, V> toMap(String json, Class<K> kClass, Class<V> vClass) {
        try {
            return mapper.readValue(json, mapper.getTypeFactory().constructMapType(Map.class, kClass, vClass));
        } catch (IOException e) {
            logger.error("json解析出错：" + json, e);
            return null;
        }
    }

    public static <T> T nativeRead(String json, TypeReference<T> type) {
        try {
            return mapper.readValue(json, type);
        } catch (IOException e) {
            logger.error("json解析出错：" + json, e);
            return null;
        }
    }

    public static void main(String[] args) {
        //序列化 bean -》 json
        User jack = new User("jack", 20);
        String jsonStr = toString(jack);
        System.out.println(jsonStr);
        //序列化  list -> json
        List<User> users = Arrays.asList(jack, new User("rose", 19));
        jsonStr = toString(users);
        System.out.println(jsonStr);
        //反序列化
        String json = "{\"name\":\"jack\",\"age\":20}";
        User jackClass = toBean(json, User.class);
        System.out.println("user="+jackClass);

        String jsons = "[{\"name\":\"jack\",\"age\":20},{\"name\":\"rose\",\"age\":19}]";
        List<User> users1 = toList(jsons, User.class);
        System.out.println("userlist = "+users1);

        String mapJsons = "{\"65\":[{\"name\":\"jack\",\"age\":20},{\"name\":\"rose\",\"age\":19}],\"66\":[{\"name\":\"jack\",\"age\":20},{\"name\":\"rose\",\"age\":19}]}";

        Map<String, List<User>> stringListMap = nativeRead(mapJsons, new TypeReference<Map<String, List<User>>>() {});
        System.out.println(stringListMap);

    }

    @Data
    @AllArgsConstructor
    @NoArgsConstructor
    static class User{
        private String name;
        private int age;
    }
}