JavaScript function to convert date into Chinese format

function CNDateString(date)
{
  var cn = ["〇","一","二","三","四","五","六","七","八","九"];
  var s = [];
  var YY = date.getFullYear().toString();
  for (var i=0; i<YY.length; i++)
    if (cn[YY.charAt(i)])
      s.push(cn[YY.charAt(i)]);
    else
      s.push(YY.charAt(i));
  s.push("年");
  var MM = date.getMonth();
  if (MM<10)
    s.push(cn[MM]);
  else if (MM<20)
    s.push("十" + cn[MM% 10]);
  s.push("月");
  var DD = date.getDate();
  if (DD<10)
    s.push(cn[DD]);
  else if (DD<20)
    s.push("十" + cn[DD% 10]);
  else
    s.push("二十" + cn[DD% 10]);
  s.push("日");
  return s.join('');
}

Example:

 程序代码
alert(CNDateString(new Date()));