jsl-questionnaire-base/src/main/java/com/qs/serve/common/util/StringUtils.java

package com.qs.serve.common.util;

import lombok.experimental.UtilityClass;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicInteger;

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

/**
 * @author YenHex
 * @since 2022/2/28
 */
@UtilityClass
public class StringUtils extends org.springframework.util.StringUtils {

    /** 订单号生成(NEW) **/
    private static final AtomicInteger SEQ = new AtomicInteger(1000);
    private static final AtomicInteger SEQ2 = new AtomicInteger(10001);
    private static final DateTimeFormatter DF_FMT_PREFIX = DateTimeFormatter.ofPattern("yyMMddHHmmssSS");
    private static ZoneId ZONE_ID = ZoneId.of("Asia/Shanghai");

    public static String generateOrderNo(){
        LocalDateTime dataTime = LocalDateTime.now(ZONE_ID);
        if(SEQ.intValue()>9990){
            SEQ.getAndSet(1000);
        }
        return  dataTime.format(DF_FMT_PREFIX)+SEQ.getAndIncrement();
    }

    public static String genShortId() {
        // 2 位 年份的后两位 22001 后五位走随机  每天清一次缓存 99999 10
        StringBuilder idSb = new StringBuilder();
        /// 年份后两位  和  一年中的第几天
        LocalDate now = LocalDate.now();
        String year = now.getYear() + "";
        year = year.substring(2);
        String day = now.getDayOfYear() + "";
        /// 补0
        if (day.length() < 3) {
            StringBuilder sb = new StringBuilder();
            for (int i = day.length(); i < 3; i++) {
                sb.append("0");
            }
            day = sb.append(day).toString();
        }
        idSb.append(year).append(day);
        /// 后五位补随机数
        if(SEQ2.intValue()>99900){
            SEQ2.getAndSet(10000);
        }
        idSb.append(SEQ2.getAndIncrement());
        return idSb.toString();
    }

    public static void main(String[] args) {
        for (int i = 0; i < 100; i++) {
            System.out.println(genShortId());
            //System.out.println(generateOrderNo());
        }
    }

    /** 非空 */
    public static boolean isNotEmpty(String str){
        return !isEmpty(str);
    }

    /** 含有空对象 */
    public static boolean hasEmpty(Object... strings){
        for (Object str : strings) {
            if(isEmpty(str)){return true;}
        }
        return false;
    }

    public static String getUrlByList(List<?> list,String param){
        StringBuilder sb = new StringBuilder();
        for (Object val : list) {
            sb.append("&"+param+"="+val);
        }
        return sb.toString();
    }

    /**
     * 格式化
     * @param exp 含{}的表达式
     * @param params 参数(注意跳过空值)
     * @return
     */
    public static String format(String exp,String... params){
        StringBuilder builder = new StringBuilder(exp);
        int idx_p = 0;
        while (hasText(builder,"{}")){
            int idx = builder.indexOf("{}");
            if(idx_p<params.length&&params[idx_p]!=null){
                builder.replace(idx,idx+2,params[idx_p]);
                idx_p++;
            }else {
                break;
            }
        }
        return builder.toString();
    }

    private static boolean hasText(StringBuilder a,String text){
        return a.toString().contains(text);
    }

    public static List<String> splitIdString(String ids){
        if(ids==null){
            return null;
        }
        if(ids.contains(",")){
            String[] idsA= ids.split(",");
            return Arrays.asList(idsA);
        }
        return Arrays.asList(ids);
    }

    public static List<Long> splitIdLong(String ids){
        List<String> strs = splitIdString(ids);
        if(strs!=null){
            return strs.stream().map(a->Long.parseLong(a)).collect(Collectors.toList());
        }
        return null;
    }

}