package org.springblade.utils;
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import org.springblade.core.tool.utils.StringUtil;
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import java.text.DecimalFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* @ClassName NumberUtils
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* @Description TODO
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* @Author aix
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* @Date 2022/9/15 8:48
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* @Version 1.0
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*/
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public class NumberUtils {
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public final static String autoCreateNumber(String prefixStr,String maxNumber) {
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SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
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String caseNo="";
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if (StringUtil.isNotBlank(maxNumber)) {
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DecimalFormat decimalFormat = new DecimalFormat("000000");
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String dateStr = df.format(new Date());
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int preLength = maxNumber.indexOf(prefixStr) > -1 ? prefixStr.length():0;
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String value = maxNumber.substring(dateStr.length() + 5 + preLength, maxNumber.length());
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int i = Integer.parseInt(value) + 1;
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String k = decimalFormat.format(i);
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// 订单号
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caseNo= prefixStr + dateStr + k;
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} else {
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//初始、默认值
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caseNo = prefixStr + df.format(new Date()) + "000001";
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}
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return caseNo;
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}
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public static void main(String[] args) {
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System.out.println(autoCreateNumber("",""));
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}
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}
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