js显示时间差 几分钟前 几小时前 几周前

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();
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;
}
}
}