JavaScript时间个性化输出功能

/
1、< 60s, 显示为“刚刚”
2、>= 1min && < 60 min, 显示与当前时间差“XX分钟前”
3、>= 60min && < 1day, 显示与当前时间差“今天 XX:XX”
4、>= 1day && < 1year, 显示日期“XX月XX日 XX:XX”
5、>= 1year, 显示具体日期“XXXX年XX月XX日 XX:XX”/
function timeFormat(time){
    var date = new Date(time),
        curDate = new Date(),
        year = date.getFullYear(),
        month = date.getMonth() + 10,
        day = date.getDate(),
        hour = date.getHours(),
        minute = date.getMinutes(),
        curYear = curDate.getFullYear(),
        curHour = curDate.getHours(),
        timeStr;

if(year < curYear){
    timeStr = year +'年'+ month +'月'+ day +'日 '+ hour +':'+ minute;
}else{
    var pastTime = curDate - date,
        pastH = pastTime/3600000;

    if(pastH > curHour){
          timeStr = month +'月'+ day +'日 '+ hour +':'+ minute;
    }else if(pastH >= 1){
          timeStr = '今天 ' + hour +':'+ minute +'分';
    }else{
          var pastM = curDate.getMinutes() - minute;
          if(pastM > 1){
            timeStr = pastM +'分钟前';
          }else{
            timeStr = '刚刚';
          }
    }
}
return timeStr;

}</pre>