原帖地址:http://www.cnblogs.com/sufei/archive/2012/11/10/2764035.html
function getDate(strDate) {
var date = eval('new Date(' + strDate.replace(/\d+(?=-[^-]+$)/,
function (a) { return parseInt(a, 10) - 1; }).match(/\d+/g) + ')');
return date;
}