currentTime=function (){
var d = new Date(),str = ‘‘;
str += d.getFullYear()+‘-‘;
str += d.getMonth() + 1+‘-‘;
str += d.getDate() + " ";
str += d.getHours()+‘:‘;
str += d.getMinutes()+‘:‘;

str+= d.getSeconds();

return str;
}

获取当前时间