微信小程序获取系统时间、时间戳、时间时间戳加减

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http://blog.csdn.net/ufo00001/article/details/72834437

//获取当前时间戳
    var timestamp = Date.parse(new Date());
    timestamp = timestamp / 1000;
    console.log("当前时间戳为：" + timestamp);

//获取当前时间
    var n = timestamp * 1000;
    var date = new Date(n);
    //年
    var Y = date.getFullYear();
    //月
    var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1);
    //日
    var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
    //时
    var h = date.getHours();
    //分
    var m = date.getMinutes();
    //秒
    var s = date.getSeconds();
  
    console.log("当前时间：" +Y+M+D+h+":"+m+":"+s);
    
//转换为时间格式字符串
    console.log(date.toDateString());

    console.log(date.toGMTString());

    console.log(date.toISOString());
  
    console.log(date.toJSON());
    
    console.log(date.toLocaleDateString());

    console.log(date.toLocaleString());
  
    console.log(date.toLocaleTimeString());
   
    console.log(date.toString());
   
    console.log(date.toTimeString());
   
    console.log(date.toUTCString());

//时间、时间戳加减 以加一天举例，聪明的你肯定触类旁通
    //加一天的时间戳：
    var tomorrow_timetamp = timestamp + 24 * 60 * 60;
    //加一天的时间：
    var n_to = tomorrow_timetamp * 1000;
    var tomorrow_date = new Date(n_to);
    //加一天后的年份
    var Y_tomorrow = tomorrow_date.getFullYear();
    //加一天后的月份
    var M_tomorrow = (tomorrow_date.getMonth() + 1 < 10 ? '0' + (tomorrow_date.getMonth() + 1) : tomorrow_date.getMonth() + 1);
    //加一天后的日期
    var D_tomorrow = tomorrow_date.getDate() < 10 ? '0' + tomorrow_date.getDate() : tomorrow_date.getDate();
    //加一天后的时刻
    var h_tomorrow = tomorrow_date.getHours();
    //加一天后的分钟
    var m_tomorrow = tomorrow_date.getMinutes();
    //加一天后的秒数
    var s_tomorrow = tomorrow_date.getSeconds();