php读取xml的神器

?xml version="1.0 encoding="UTF-8"? humans zhangying name张映/name sex男/sex old28/old /zhangying tank nametank/name sex男/sex old28/old /tank /humans 1）DOMDocument读取xml ?php $doc = new DOMDocument(); $doc-load('person.xml'); //读取xml

张映

男

28

tank

男

28

1）DOMDocument读取xml

$doc = new DOMDocument();

$doc->load('person.xml'); //读取xml文件

foreach( $humans as $human )

{

$name = $names->item(0)->nodeValue; //取得node中的值，如

$sexs = $human->getElementsByTagName_r( "sex" );

$sex = $sexs->item(0)->nodeValue;

$olds = $human->getElementsByTagName_r( "old" );

$old = $olds->item(0)->nodeValue;

echo "$name - $sex - $old\n";

}

?>

2）simplexml读取xml

 

 

$xml_array=simplexml_load_file('person.xml'); //将XML中的数据,读取到数组对象中

foreach($xml_array as $tmp){

echo $tmp->name."-".$tmp->sex."-".$tmp->old."
";

}

?>

3）用php正则表达式来记取数据 / http://www.pprar.com  

$xml = "";

$f = fopen('person.xml', 'r');

while( $data = fread( $f, 4096 ) ) {

$xml .= $data;

}

fclose( $f );

// 上面读取数据

 

foreach( $humans[1] as $k=>$human )

{

preg_match_all( "/\(.*?)\/", $human, $name ); //匹配出名字

preg_match_all( "/\(.*?)\/", $human, $sex ); //匹配出性别

preg_match_all( "/\(.*?)\/", $human, $old ); //匹配出年龄

}

 

foreach($name[1] as $key=>$val){

echo $val." - ".$sex[$key][1]." - ".$old[$key][1]."
" ;

}

?>

 

 

4）xmlreader来读取xml数据

 

 

$reader = new XMLReader();

$reader->open('person.xml'); //读取xml数据

$i=1;

while ($reader->read()) { //是否读取

if ($reader->nodeType == XMLReader::TEXT) { //判断node类型

if($i%3){

echo $reader->value; //取得node的值

}else{

echo $reader->value."
" ;

}

$i++;

}

}

?>

 

三，小结

 

xmlreader的设计重点是为了读data里面的name sex old的值，而读取的内容就比较麻烦了。他相当于jquery中attr(”);这个东西。

大家如果有好的办法读取xml，可以加上