js时间转换相关

function ChangeDateFormat(jsondate) {
if (!jsondate||jsondate.length < 1) {return ""; }
jsondate = jsondate.replace("/Date(", "").replace(")/", "");
if (jsondate.indexOf("+") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("+"));
}
else if (jsondate.indexOf("-") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("-"));
}

var date = new Date(parseInt(jsondate, 10));
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
return date.getFullYear() + "-" + month + "-" + currentDate;
}

//带日期
function ChangeDateTimeFormat(jsondate) {
if (!jsondate || jsondate.length < 1) { return ""; }
jsondate = jsondate.replace("/Date(", "").replace(")/", "");
if (jsondate.indexOf("+") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("+"));
}
else if (jsondate.indexOf("-") > 0) {
jsondate = jsondate.substring(0, jsondate.indexOf("-"));
}

var date = new Date(parseInt(jsondate));
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
return date.getFullYear() + "-" + month + "-" + currentDate+" "+date.getHours()+":"+date.getMinutes()+":"+date.getSeconds();
}

function DateS(a,b,c) {
var arr = ChangeDateFormat(a).split("-");
var starttime = new Date(arr[0], arr[1] - 1, arr[2]);
var starttimes = starttime.getTime();

var arr = ChangeDateFormat(b).split("-");
var lktimes = new Date(arr[0], arr[1] - 1, arr[2]);
var lktimes = starttime.getTime();
var ltime = 0;
if (c === 'y' || c === 'Y') {
ltime = (starttimes - lktimes) / (86400000*365);
}

if (c === 'm' || c === 'M') {
ltime = (starttimes - lktimes) / (86400000 * 365/12);
}
if (c === 'd' || c === 'D') {
ltime = (starttimes - lktimes) / 86400000;
}
if (c === 'h' || c === 'H') {
ltime = (starttimes - lktimes) / 3600000;
}
if (c === 'MM' || c === 'mm') {
ltime = (starttimes - lktimes) / 60000;
}
if (c === 'ss' || c === 'SS') {
ltime = (starttimes - lktimes) / 1000;
}
return ltime;
}
//输入的值与当前时间差
function DateSNow(a,  c) {
var arr = ChangeDateFormat(a).split("-");
var starttime = new Date(arr[0], arr[1] - 1, arr[2]);

var starttimes = starttime.getTime();

var myDate = new Date();

var mmDate = new Date(myDate.getFullYear(), myDate.getMonth(), myDate.getDate());

var lktimes = mmDate.getTime();
var ltime = 0;
if (c === 'y' || c === 'Y') {
ltime = (starttimes - lktimes) / (86400000 * 365);
}

if (c === 'm' || c === 'M') {
ltime = (starttimes - lktimes) / (86400000 * 365 / 12);
}
if (c === 'd' || c === 'D') {
ltime = (starttimes - lktimes) / 86400000;
}
if (c === 'h' || c === 'H') {
ltime = (starttimes - lktimes) / 3600000;
}
if (c === 'MM' || c === 'mm') {
ltime = (starttimes - lktimes) / 60000;
}
if (c === 'ss' || c === 'SS') {
ltime = (starttimes - lktimes) / 1000;
}
return ltime;
}