按指定格式输出日期

[nicoleJT914]

function date2str(x,y) {
  var z ={
    y:x.getFullYear(),
    M:x.getMonth()+1,
    d:x.getDate(),
    h:x.getHours(),
    m:x.getMinutes(),
    s:x.getSeconds()
  };
  return y.replace(/(y+|M+|d+|h+|m+|s+)/g,function(v) {
    // v.length>1?"0":""; 
    // eval('z.'+v.slice(-1));
    // v.length>2?v.length:2;
    return ((v.length>1?"0":"")+eval('z.'+v.slice(-1))).slice(-(v.length>2?v.length:2))
  });
}
alert(date2str(new Date(),"yy-M-d h:m:s"));
alert(date2str(new Date(),"yyyy-MM-d h:m:s"));
alert(date2str(new Date(),"yyyy-MM-dd hh:mm:ss"));