//构造符合datetime-local格式的当前日期
function getFormat(hours, minutes, second) {
    format = "";
    var nTime = new Date();
    format += nTime.getFullYear() + "-";
    format += (nTime.getMonth() + 1) < 10 ? "0" + (nTime.getMonth() + 1) : (nTime.getMonth() + 1);
    format += "-";
    format += nTime.getDate() < 10 ? "0" + (nTime.getDate()) : (nTime.getDate());
    format += "T";
    //format += nTime.getHours() < 10 ? "0" + (nTime.getHours()) : (nTime.getHours());
    format += hours;
    format += ":";
    //format += nTime.getMinutes() < 10 ? "0" + (nTime.getMinutes()) : (nTime.getMinutes());
    format += minutes;
    format += ":" + second;
}