PHP用SAX解析XML的实现代码与问题分析
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<div class="codetitle"><a style="CURSOR: pointer" data="1250" class="copybut" id="copybut1250" onclick="doCopy('code1250')"> 代码如下:
<div class="codebody" id="code1250">
<?
PHP $g_books = array();
$g_elem = null;
function startElement( $parser,$name,$attrs )
{
global $g_books,$g_elem;
if ( $name == 'BOOK' ) $g_books []= array();
$g_elem = $name;
}
function endElement( $parser,$name )
{
global $g_elem;
$g_elem = null;
}
function textData( $parser,$text )
{
global $g_books,$g_elem;
if ( $g_elem == 'AUTHOR' ||
$g_elem == 'PUBLISHER' ||
$g_elem == 'TITLE' )
{
$g_books[ count( $g_books ) - 1 ][ $g_elem ] = $text;
}
}
$parser = xml_parser_create();
xml_set_element_handler( $parser,"startElement","endElement" );
xml_set_character_data_handler( $parser,"textData" );
$f = fopen( 'books.xml','r' );
while( $data = fread( $f,4096 ) )
{
xml_parse( $parser,$data );
}
xml_parser_free( $parser );
foreach( $g
books as $book )
{
echo $book['TITLE']." - ".$book['AUTHOR']." - ";
echo $book['PUBLISHER']."\n";
}
?>
@H502_44@
PHP中用SAX方式解析XML发现的问题
XML如下：
so.xml
<div class="codetitle">
<a style="CURSOR: pointer" data="92964" class="copybut" id="copybut92964" onclick="doCopy('code92964')"> 代码如下: <div class="codebody" id="code92964">
<?xml version="1.0" encoding="GBK"?>
1047869
2008-08-28 14:54:51
红花还需绿叶扶--浅谈脚架云台的选购
很多专业摄影师在选购三脚架的时候，往往出手阔绰，3、4000元一个的捷信或者曼富图三脚架常常不用经过思考就买下来了，可是，他们却总是忽视了云台的精挑细眩其实，数码相机架在三脚架上面究竟稳不稳，起决定作用的是云台，那么我们如何才能挑选到一款稳如磐石的云台呢？云台家族种类繁多用途迥异简单的说，脚架云台是用于连接相机与脚架进行角度调节的部件，主要分成三维云台和球型云台。三维云台在横向旋转
...(省略若干行)
xml_class.
PHP <div class="codetitle">
<a style="CURSOR: pointer" data="70938" class="copybut" id="copybut70938" onclick="doCopy('code70938')"> 代码如下: <div class="codebody" id="code70938">
<?
PHP class xml {
var $parser;
var $i =0;
var $search_result = array();
var $row = array();
var $data = array();
var $now_tag;
var $tags = array("ID","CLASSID","SUBCLASSID","CLASSNAME","TITLE","SHORTTITLE","AUTHOR","PRODUCER","SUMMARY","CONTENT","DATE");
function xml()
{
$this->parser = xml_parser_create();
xml_set_object($this->parser,$this);
xml_set_element_handler($this->parser,"tag_open","tag_close");
xml_set_character_data_handler($this->parser,"cdata");
}
function parse($data)
{
xml_parse($this->parser,$data);
}
function tag_open($parser,$tag,$attributes)
{
$this->now_tag=$tag;
if($tag=='RESULT') {
$this->search_result = $attributes;
}
if($tag=='ROW') {
$this->row[$this->i] = $attributes;
}
}
function cdata($parser,$cdata)
{
if(in_array($this->now_tag,$this->tags)){
$tagname = strtolower($this->now_tag);
$this->data[$this->i][$tagname] = $cdata;
}
}
function tag_close($parser,$tag)
{
$this->now_tag="";
if($tag=='ROW') {
$this->i++;
}
}
}
?>
search.
