我也是初学,你看这样行不行<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline');
foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$i = 0;
foreach($childnodes as $childc)
{
$arr[$i] = $childc->getAttribute('p');
$i++;
}
}
sort($arr);
for($i = 0;$i < count($arr);$i++){
echo $arr[$i]."<br>";
}
?>
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline');
foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$i = 0;
foreach($childnodes as $childc)
{
$arr[$i] = $childc->getAttribute('p');
$i++;
}
}
sort($arr);
for($i = 0;$i < count($arr);$i++){
echo $arr[$i]."<br>";
}
?>
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline'); foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$i = 0;
foreach($childnodes as $childc)
{
$arr[$i] = $childc->getAttribute('p');
$b=$childc->getAttribute('b');
$d=$childc->getAttribute('d');
$p=$childc->getAttribute('p');
$s=$childc->getAttribute('s');
$i++;
echo $p."|".$b."|". $d."|". $p."|".$s."<br>";
}
}
}
//这样情况下怎么按照P来排序了?从小-大排序?
?>
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline'); foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$i = 0;
foreach($childnodes as $childc)
{
$p = $childc->getAttribute('p');
$b=$childc->getAttribute('b');
$d=$childc->getAttribute('d');
$p=$childc->getAttribute('p');
$s=$childc->getAttribute('s');
$i++;
echo $p."|".$b."|". $d."|". $p."|".$s."<br>";
}
}
}
//这样情况下怎么按照P来排序了?从小-大排序?
?>
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline');
foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$ListP = array();
$i = 0;
foreach($childnodes as $childc)
{
$list = array();
$ListP[$i] = $childc->getAttribute('p');
$list[0] = $childc->getAttribute('b');
$list[1] = $childc->getAttribute('d');
$list[2] = $childc->getAttribute('p');
$list[3] = $childc->getAttribute('s');
$arr[$i] = $list;
$i++;
}
}
sort($ListP);
for($i = 0;$i < count($ListP);$i++){
for($j = 0;$j < count($arr);$j++){
$b = $arr[$j][0];
$d = $arr[$j][1];
$p = $arr[$j][2];
$s = $arr[$j][3];
if($ListP[$i] == $p){
echo $p."|".$b."|". $d."|". $p."|".$s."<br>";
}
}
}
?>
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline');
foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c');
$arr = array();
$ListP = array();
$i = 0;
foreach($childnodes as $childc)
{
$list = array();
$ListP[$i] = $childc->getAttribute('p');
$list[0] = $childc->getAttribute('b');
$list[1] = $childc->getAttribute('d');
$list[2] = $childc->getAttribute('p');
$list[3] = $childc->getAttribute('s');
$arr[$i] = $list;
$i++;
}
}
sort($ListP);
for($i = 0;$i < count($ListP);$i++){
for($j = 0;$j < count($arr);$j++){
$b = $arr[$j][0];
$d = $arr[$j][1];
$p = $arr[$j][2];
$s = $arr[$j][3];
if($ListP[$i] == $p){
echo $p."|".$b."|". $d."|". $p."|".$s."<br>";
}
}
}
?>
$doc = new DOMDocument; //xml?始解析
$doc->load("book.xml");
$book=$doc->documentElement;
$airline =$book->getElementsByTagName('airline');
$list = array();
$index = 0;
foreach($airline as $c)
{
$childnodes = $c->getElementsByTagName('c'); for($i=$childnodes->length-1; $i>=0;$i--) {
$nixiang=$childnodes->item($i)->GetAttributeNode('p')->nodeValue;
if ($nixiang!="0")
{
$p=$childnodes->item($i)->GetAttributeNode('p')->nodeValue;
}
$list[$index] = $p;
$index++;
}}
sort($list);
for($i = 0; $i < count($list);$i++ ){
echo $list[$i]."<br>";
}
?>