package cc.mrbird.febs.common.utils;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Random;
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/**
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* @author wzy
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* @date 2021-09-22
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**/
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public class MallUtils {
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public static String getRandomNum(int length) {
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String str = "0123456789";
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Random random = new Random();
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < length; ++i) {
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int number = random.nextInt(str.length());
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sb.append(str.charAt(number));
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}
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return sb.toString();
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}
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public static String getOrderNum() {
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SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
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String dd=df.format(new Date());
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return dd+getRandomNum(5);
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}
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}
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