【JS】获取当前时间，且格式为yyyy-MM-dd hh:mm:ss

var nowDate = new Date();

var nowDate = new Date();
 var year = nowDate.getFullYear();
 var month = nowDate.getMonth() + 1 < 10 ? "0" + (nowDate.getMonth() + 1)
  : nowDate.getMonth() + 1;
 var day = nowDate.getDate() < 10 ? "0" + nowDate.getDate() : nowDate
  .getDate();
var hour = nowDate.getHours(); 
var minutes = nowDate.getMinutes();
var seconds = nowDate.getSeconds();
 var dateStr = year + "-" + month + "-" + day +" " + hour +":" +minutes+":"+seconds; 
 console.log(dateStr);