时间格式

 

package com.cgcyiliao.admin.util;

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

public class DateUtil {
    /**
     * 暂定token有效时长7天
     */
    private static long TOKEN_EFFECTIVE_TIME = (((1000 * 60) * 60) * 24) * 7;// 7天有效期

    /**
     * 将时间戳转为指定格式的long类型
     * 
     * @return
     */
    public static String getStringTimeLong(Long dateLong) {
        if (Util.isEmpty(dateLong)) return "";
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = new Date(dateLong);
        String dateTime = "";
        try {
            dateTime = simpleDateFormat.format(date);
        } catch (Exception e) {
            
        }
        return dateTime;
    }
    
    /**
     * 获取当前的时间戳
     * @return
     */
    public static long getNowTime() {
        return new Date().getTime();
    }
    
    /**
     * 根据token时间获取有效时长的时间戳
     * 
     * @return
     */
    public static long getTokenExceedTime() {
        return getExceedTime(TOKEN_EFFECTIVE_TIME);
    }
    
    private static long getExceedTime(long effectiveTime) {
        return getNowTime() + effectiveTime;
    }
}