时间，日期格式化以及 格式化时间戳

// 格式化日期方法

Date.prototype.format = function(format) {

var o = {

"M+": this.getMonth() + 1, //month

"d+": this.getDate(), //day

"h+": this.getHours(), //hour

"m+": this.getMinutes(), //minute

"s+": this.getSeconds(), //second

"q+": Math.floor((this.getMonth() + 3) / 3), //quarter

"S": this.getMilliseconds() //millisecond

}

if (/(y+)/.test(format))

format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));

for (var k in o)

if (new RegExp("(" + k + ")").test(format))

format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));

return format;

}

//按约定格式化日期

Wsw.utils.formatDateTime = function(d, format) {

d = d.replace("-", "/").replace("-", "/");

var dd = new Date(d);

return dd.format(format);

}

//人性话时间设置--(刚刚，1分钟前，1小时前等)

Wsw.utils.diffDateTime = function(dateStr) {

dateTimeStamp = Date.parse(dateStr.replace(/-/gi, "/"));

//JavaScript函数：

var minute = 1000 * 60;

var hour = minute * 60;

var day = hour * 24;

var halfamonth = day * 15;

var month = day * 30;

var year = month * 12;

var now = new Date().getTime();

var diffValue = now - dateTimeStamp;

if (diffValue < 0) {

//若日期不符则弹出窗口告之

//alert("结束日期不能小于开始日期！");

}

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) + "年前";

result = Wsw.utils.formatDateTime(dateStr, 'yyyy年MM月dd日');

} else if (monthC >= 1) {

// result = parseInt(monthC) + "月前";

result = Wsw.utils.formatDateTime(dateStr, 'MM月dd日');

} else if (weekC >= 1) {

// result = parseInt(weekC) + "周前";

result = Wsw.utils.formatDateTime(dateStr, 'MM月dd日');

} else if (dayC >= 1) {

// result = parseInt(dayC) + "天前";

result = Wsw.utils.formatDateTime(dateStr, 'MM月dd日');

} else if (hourC >= 1) {

// result = parseInt(hourC) + "小时前";

result = Wsw.utils.formatDateTime(dateStr, 'hh:mm:ss');

} else if (minC >= 1) {

result = parseInt(minC) + "分钟前";

} else

result = "刚刚";

return result;

}