小程序时间戳转换日期

/*
 * 时间戳转换标准时间
 * author Joy Sang
 * */

var regYear = getRegExp("(y+)", "i");

var dateFormat = function (timestamp, format) {
  if (!format) {
    format = "yyyy-MM-dd hh:mm:ss";
  }
  timestamp = parseInt(timestamp) * 1000;
  var realDate = getDate(timestamp);

  function timeFormat(num) {
    return num < 10 ? "0" + num : num;
  }
  var date = [
    ["M+", timeFormat(realDate.getMonth() + 1)],
    ["d+", timeFormat(realDate.getDate())],
    ["h+", timeFormat(realDate.getHours())],
    ["m+", timeFormat(realDate.getMinutes())],
    ["s+", timeFormat(realDate.getSeconds())],
    ["q+", Math.floor((realDate.getMonth() + 3) / 3)],
    ["S+", realDate.getMilliseconds()]
  ];
  var reg1 = regYear.exec(format);

  if (reg1) {
    format = format.replace(
      reg1[1],
      (realDate.getFullYear() + "").substring(4 - reg1[1].length)
    );
  }
  for (var i = 0; i < date.length; i++) {
    var k = date[i][0],
      v = date[i][1];

    var reg2 = getRegExp("(" + k + ")").exec(format);
    if (reg2) {
      format = format.replace(
        reg2[1],
        reg2[1].length === 1 ? v : ("00" + v).substring(("" + v).length)
      );
    }
  }
  return format;
};
var getDateDiff = function (dateTime, now) {
  var dateTimeStamp = dateTime * 1000;
  var result = "";
  var minute = 1000 * 60;
  var hour = minute * 60;
  var day = hour * 24;
  var month = day * 30;
  var year = day * 365;
  var diffValue = now - dateTimeStamp;
  if (diffValue < 0) {
    return;
  }
  var monthEnd = diffValue / month;
  var weekEnd = diffValue / (7 * day);
  var dayEnd = diffValue / day;
  var hourEnd = diffValue / hour;
  var minEnd = diffValue / minute;
  var yearEnd = diffValue / year;
  if (yearEnd >= 1) {
    result = dateFormat(dateTime, 'yyyy-MM-dd hh:mm:ss');
  } else if (monthEnd >= 1) {
    result = dateFormat(dateTime, 'yyyy-MM-dd hh:mm:ss');
  } else if (weekEnd >= 1) {
    result = dateFormat(dateTime, 'yyyy-MM-dd hh:mm:ss');
  } else if (dayEnd >= 1) {
    result = "" + parseInt(dayEnd) + "天前";
  } else if (hourEnd >= 1) {
    result = "" + parseInt(hourEnd) + "小时前";
  } else if (minEnd >= 1) {
    result = "" + parseInt(minEnd) + "分钟前";
  } else {
    result = "刚刚";
  }
  return result;
};


var getDateDiff2 = function (dateTime) {
  var now = getDate().getTime();
  var dateTimeStamp = dateTime * 1000;
  var result = "";
  var minute = 1000 * 60;
  var hour = minute * 60;
  var day = hour * 24;
  var month = day * 30;
  var year = day * 365;
  var diffValue = now - dateTimeStamp;
  if (diffValue < 0) {
    return;
  }
  var monthEnd = diffValue / month;
  var weekEnd = diffValue / (7 * day);
  var dayEnd = diffValue / day;
  var hourEnd = diffValue / hour;
  var minEnd = diffValue / minute;
  var yearEnd = diffValue / year;
  if (yearEnd >= 1) {
    result = dateFormat(dateTime, 'MM-dd ');
  } else if (monthEnd >= 1) {
    result = dateFormat(dateTime, 'MM-dd');
  } else if (weekEnd >= 1) {
    result = dateFormat(dateTime, 'MM-dd');
  } else if (dayEnd >= 1 && dayEnd < 2) {
    // result = "" + parseInt(dayEnd) + "天前";
    result = "昨天"
  } else if (dayEnd >= 2) {
    result = dateFormat(dateTime, 'MM-dd');
  } else if (hourEnd >= 1) {
    result = "" + parseInt(hourEnd) + "小时前";
  } else if (minEnd >= 1) {
    result = "" + parseInt(minEnd) + "分钟前";
  } else {
    result = "刚刚";
  }
  return result;
};

module.exports = {
  dateFormat: dateFormat,
  getDateDiff: getDateDiff,
  getDateDiff2: getDateDiff2
};

复制上面代码新建timeUtil.wxs

<wxs src="../../utils/timeUtil.wxs" module="tool"></wxs>

在需要使用的页面，引入timeUtil.wxs；

 最后进行时间戳转换