function getTimeStr() {
var date = new Date();
var year = date.getFullYear();
var month = date.getMonth() + 1;
var day = date.getDate();
var hours = date.getHours();
var minutes = date.getMinutes();
if (month.length == 1) {
month = "0" + month;
}
if (day.length == 1) {
day = "0" + day;
}
if (hours.length == 1) {
hours = "0" + hours;
}
if (minutes.length == 1) {
minutes = "0" + minutes;
}
var d = year + "-" + month + "-" + day + " " + hours + ":" + minutes;
return d;
}