function getDateDiff (dateTimeStamp) {
var minute = 1000 * 60;
var hour = minute * 60;
var day = hour * 24;
var halfamonth = day * 15;
var month = day * 30;
var year = day * 365;
var now = new Date().getTime();
var diffValue = now - dateTimeStamp;
if(diffValue < 0){
return '数据出错';
}
var yearC = diffValue / year;
var monthC = diffValue / month;
var weekC = diffValue / (7 * day);
var dayC = diffValue / day;
var hourC = diffValue / hour;
var minC = diffValue / minute;
if(yearC >= 1){
result = parseInt(yearC) + '年以前';
}else if(monthC >= 1){
result = parseInt(monthC) + '个月前';
}else if(weekC >= 1){
result = parseInt(weekC) + '星期前';
}else if(dayC >= 1){
result = parseInt(dayC) + '天前';
}else if(hourC >= 1){
result = parseInt(hourC) + '小时前';
}else if(minC >= 5){
result = parseInt(minC) + '分钟前';
}else{
result = '刚刚发表';
}
return result;
}