/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.common.utils;

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

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

/**
 * 通用工具类
 *
 * @author Chill
 */
public class CommonUtil {

	/**
	 * 生成随时间自增变化的编号
	 * @param prefixStr 前缀
	 * @param maxNumber 最大值
	 * @return
	 */
	public final static String createNo(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;
	}

}