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用javascript写一个显示时间差 几分钟前 几小时前 几天前 几周前 大于一个月显示日期

2017-01-19 22:01 741 查看
window.onload = function(){
  var show_times = $(".times span");
  for(var i=0;i<show_times.length;i++){
    var dateStr = show_times[i].innerHTML;
    var dateTimeStamp = Date.parse(dateStr.replace(/-/gi,"/"));
    var minute = 1000 * 60;
    var hour = minute * 60;
    var day = hour * 24;
    var month = day * 30;
    //获取当前时间
    var now = new Date().getTime();
//计算时间差
    var diffValue = now - dateTimeStamp;
    var monthC =diffValue/month;
    var weekC =diffValue/(7*day);
    var dayC =diffValue/day;
    var hourC =diffValue/hour;
    var minC =diffValue/minute;
    if(monthC>=1){
      show_times[i].innerHTML = dateStr;
    }
    else if(weekC>=1){
      result="发表于" + parseInt(weekC) + "周前";
      show_times[i].innerHTML = result;
    }
    else if(dayC>=1){
      result="发表于"+ parseInt(dayC) +"天前";
      show_times[i].innerHTML = result;
    }
    else if(hourC>=1){
      result="发表于"+ parseInt(hourC) +"小时前";
      show_times[i].innerHTML = result;
    }
    else if(minC>=1){
      result="发表于"+ parseInt(minC) +"分钟前";
      show_times[i].innerHTML = result;
    }else{
      result="发表于1分钟内";
      show_times[i].innerHTML = result;
    }
  }
}


很浅显易懂的js代码 大家基本上一看就懂了
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