js友好的时间返回函数

//友好的时间返回函数（如：10分钟前）time_stamp为UNIX秒数
function friendly_time(time_stamp)
{
  var now_d = new Date();
  var now_time = now_d.getTime() / 1000; //获取当前时间的秒数
  var f_d = new Date();
  f_d.setTime(time_stamp * 1000);
  var f_time = f_d.toLocaleDateString();

  var ct = now_time - time_stamp;
  var day = 0;
  if (ct < 0)
  {
    f_time = "【预约】" + f_d.toLocaleString();
  }
  else if (ct < 60)
  {
    f_time = Math.floor(ct) + '秒前';
  }
  else if (ct < 3600)
  {
    f_time = Math.floor(ct / 60) + '分钟前';
  }
  else if (ct < 86400)//一天
  {
    f_time = Math.floor(ct / 3600) + '小时前';
  }
  else if (ct < 604800)//7天
  {
    day = Math.floor(ct / 86400);
    if (day < 2)
      f_time = '昨天';
    else
      f_time = day + '天前';
  }
  else
  {
    day = Math.floor(ct / 86400);
    f_time = day + '天前';
  }
  return f_time;
}




function getd(time1)
{
  var da = new Date();
  sda = new Date(time1);
  var time2 = da.getTime();
  var time = 0;
  if (time1 > time2)
  {
    time = time1 - time2;
    sda = da;
  } else
  {
    time = time2 - time1;
  }
  if (time < 1000) return "刚刚";
  time = parseInt(time / 1000);
  if (time > 86400)
  {
    var day = parseInt(time / (24 * 60 * 60));
    if (day == 1)
    {
      return "昨天(" + sda.getHours() + ":" + sda.getMinutes() + ")";
    } else if (day < 30)
    {
      return day + "天前";
    } else if (day < 360)
    {
      var moth = parseInt(day / 30);
      return moth + "个月前";
    } else
    {
      var year = parseInt(day / 360);
      return year + "年前";
    };
  } else if (time > 3600)
  {
    var hour = parseInt(time / (60 * 60));
    return hour + "小时前";
  } else if (time > 60)
  {
    var hour = parseInt(time / 60);
    return hour + "分钟前";
  } else
  {
    return time + "秒前";
  }
} 

var rg = new RegExp("[星期一二三四五六日]","g");
var q = obj_datetine.replace(rg, "").replace("-","/");

//obj_datetine为要处理的时间参数 

var d = new Date(Date.parse(q)); return friendly_time(d.getTime() / 1000);