?php
header("content-type:text/html;charset=utf-8");
//制作xml接口，提供網站最新的10條商品信息
$link = mysql_connect('localhost','root','123');
mysql_select_db('shop',$link);
mysql_query('set names utf8');
/*
shop>
  goods>
    name>/name>
    price>/price>
    number>/number>
  /goods>
  ......
/shop>
*/
$sql = "select goods_name, goos_price, goods_number from sw_goods order by goods_id desc limit 10";
$qry = mysql_query($sql);//接收的是一個結果集
$info = array();
//取出每一條記錄
while($re = mysql_fetch_assoc($qry)){
  //$re 是一維數組，代表每條記錄
  $info[] = $re;//$info是二維數組，接收每條記錄
}
$dom = new DOMDocument('1.0', 'utf-8');
$shop = $dom -> createElement('shop');//創建根節點
for($i=0; $icount($info); $i++){
  //創建元素節點
  $goods = $dom -> createElement('goods');
  $name = $dom -> createElement('name');
  $price = $dom -> createElement('price');
  $number = $dom -> createElement('number');
  //創建文本節點
  $name_txt = $dom -> createTextNode($info[$i]['goods_name']);
  $price_txt = $dom -> createTextNode($info[$i]['goods_price']);
  $number_txt = $dom -> createTextNode($info[$i]['goods_number']);
  //追加節點
  $name -> appendChild($name_txt);
  $price -> appendChild($price_txt);
  $number -> appendChild($number_txt);
  $goods -> appendChild($name);
  $goods -> appendChild($price);
  $goods -> appendChild($number);
  $shop -> appendChild($goods);
}
$dom -> appendChild($shop);//追加根節點
header("content-type:text/xml;charset=utf-8");
echo $dom -> saveXML();