SubCodeUtil.java

package cn.wisenergy.service.util;

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

/**
 * @author 86187
 */
public class SubCodeUtil {
    /**
     * 获取现在时间
     * @return返回字符串格式yyyyMMddHHmmss
     */
    public static String getStringDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
        String dateString = formatter.format(currentTime);
        System.out.println("TIME:::"+dateString);
        return dateString;
    }

    /**
     * 由年月日时分秒+3位随机数
     * 生成流水号
     * @return
     */
    public static String getNum(){
        String t = getStringDate();
        int x=(int)(Math.random()*900)+100;
        String serial = t + x;
        return serial;
    }


}