package org.springblade.utils;

import org.springblade.core.tool.utils.StringUtil;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @ClassName NumberUtils
 * @Description TODO
 * @Author aix
 * @Date 2022/9/15 8:48
 * @Version 1.0
 */
public class NumberUtils {


	public final static String autoCreateNumber(String prefixStr,String maxNumber) {
		SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
		String caseNo="";
		if (StringUtil.isNotBlank(maxNumber)) {
			DecimalFormat decimalFormat = new DecimalFormat("000000");
			String dateStr = df.format(new Date());
			int preLength = maxNumber.indexOf(prefixStr) > -1 ? prefixStr.length():0;
			String value = maxNumber.substring(dateStr.length() + 5 + preLength, maxNumber.length());
			int i = Integer.parseInt(value) + 1;
			String k = decimalFormat.format(i);
			// 订单号
			caseNo= prefixStr + dateStr + k;
		} else {
			//初始、默认值
			caseNo = prefixStr + df.format(new Date()) + "000001";
		}
		return caseNo;
	}

	public static void main(String[] args) {
		System.out.println(autoCreateNumber("",""));
	}
}