PHP编程：用php5轻松解析xml - 仓酷云

[/code]文件:SimpleDocumentParser.php [code]<?php/** *========================================================= * * @author hahawen(大龄青年) * @since 2004-12-04 * @copyright Copyright (c) 2004, NxCoder Group * *========================================================= *//** * class SimpleDocumentParser * use SAX parse xml file, and build SimpleDocumentObject * all this pachage's is work for xml file, and method is action as DOM. * * @package SmartWeb.common.xml * @version 1.0 */class SimpleDocumentParser{ private $domRootObject = null; private $currentNO = null; private $currentName = null; private $currentValue = null; private $currentAttribute = null; public function getSimpleDocument() { return $this->domRootObject; } public function parse($file) { $xmlParser = xml_parser_create(); xml_parser_set_option($xmlParser,XML_OPTION_CASE_FOLDING, 0); xml_parser_set_option($xmlParser,XML_OPTION_SKIP_WHITE, 1); xml_parser_set_option($xmlParser, XML_OPTION_TARGET_ENCODING, 'UTF-8'); xml_set_object($xmlParser, $this); xml_set_element_handler($xmlParser, "startElement", "endElement"); xml_set_character_data_handler($xmlParser, "characterData"); if (!xml_parse($xmlParser, file_get_contents($file))) die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xmlParser)), xml_get_current_line_number($xmlParser))); xml_parser_free($xmlParser); } private function startElement($parser, $name, $attrs) { $this->currentName = $name; $this->currentAttribute = $attrs; if($this->currentNO == null) { $this->domRootObject = new SimpleDocumentRoot($name); $this->currentNO = $this->domRootObject; } else { $this->currentNO = $this->currentNO->createNode($name, $attrs); } } private function endElement($parser, $name) { if($this->currentName==$name) { $seq = $this->currentNO->getSeq();
$this->currentNO = $this->currentNO->getPNodeObject();
$tag = $this->currentNO->getNodeName($seq);

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if($this->currentAttribute!=null && sizeof($this->currentAttribute)>0) $this->currentNO->setValue($name, array('value'=>$this->currentValue, 'attrs'=>$this->currentAttribute)); else $this->currentNO->setValue($name, $this->currentValue); $this->currentNO->removeNode($tag); } else { $this->currentNO = (is_a($this->currentNO, 'SimpleDocumentRoot'))? null: $this->currentNO->getPNodeObject(); } } private function characterData($parser, $data) { $this->currentValue = iconv('UTF-8', 'GB2312', $data); } function __destruct() { unset($this->domRootObject); }}?>

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<?php/** *========================================================= * * @author hahawen(大龄青年) * @since 2004-12-04 * @copyright Copyright (c) 2004, NxCoder Group * *========================================================= *//** * abstract class SimpleDocumentBase * base class for xml file parse * all this pachage's is work for xml file, and method is action as DOM. * * 1\ add/update/remove data of xml file. * 2\ explode data to array. * 3\ rebuild xml file * * @package SmartWeb.common.xml * @abstract * @version 1.0 */abstract class SimpleDocumentBase{ private $nodeTag = null; private $attributes = array(); private $values = array(); private $nodes = array(); function __construct($nodeTag) { $this->nodeTag = $nodeTag; } public function getNodeTag() { return $this->nodeTag; } public function setValues($values){ $this->values = $values; } public function setValue($name, $value) { $this->values[$name] = $value; } public function getValue($name=null) { return $name==null? $this->values: $this->values[$name]; } public function removeValue($name) { unset($this->values["$name"]); } public function setAttributes($attributes){ $this->attributes = $attributes; } public function setAttribute($name, $value) { $this->attributes[$name] = $value; } public function getAttribute($name=null) { return $name==null? $this->attributes: $this->attributes[$name]; } public function removeAttribute($name) { unset($this->attributes["$name"]); } public function getNodesSize() { return sizeof($this->nodes); } protected function setNode($name, $nodeId) { $this->nodes[$name] = $nodeId; } public abstract function createNode($name, $attributes); public abstract function removeNode($name); public abstract function getNode($name=null); protected function getNodeId($name=null) { return $name==null? $this->nodes: $this->nodes[$name]; }

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public function getNodeName($id)
{
$tmp = array_flip($this->nodes);
return $tmp[$id];
} protected function createNodeByName($rootNodeObj, $name, $attributes, $pId) { $tmpObject = $rootNodeObj->createNodeObject($pId, $name, $attributes); $key = isset($attributes[id])? $name.'_'.$attributes[id]: $name.'_'.$this->getNodesSize(); $this->setNode($key, $tmpObject->getSeq()); return $tmpObject; } protected function removeNodeByName($rootNodeObj, $name) { $rootNodeObj->removeNodeById($this->getNodeId($name)); if(sizeof($this->nodes)==1) $this->nodes = array(); else unset($this->nodes[$name]); } protected function getNodeByName($rootNodeObj, $name=null) { if($name==null) { $tmpList = array(); $tmpIds = $this->getNodeId(); foreach($tmpIds as $key=>$id) $tmpList[$key] = $rootNodeObj->getNodeById($id); return $tmpList; } else { $id = $this->getNodeId($name); if($id===null) { $tmpIds = $this->getNodeId(); foreach($tmpIds as $tkey=>$tid) { if(strpos($key, $name)==0) { $id = $tid; break; } } } return $rootNodeObj->getNodeById($id); } } public function findNodeByPath($path) { $pos = strpos($path, '|'); if($pos<=0) { return $this->getNode($path); } else { $tmpObj = $this->getNode(substr($path, 0, $pos)); return is_object($tmpObj)? $tmpObj->findNodeByPath(substr($path, $pos+1)): null; } } public function getSaveData() { $data = $this->values; if(sizeof($this->attributes)>0) $data[attrs] = $this->attributes; $nodeList = $this->getNode(); if($nodeList==null) return $data; foreach($nodeList as $key=>$node) { $data[$key] = $node->getSaveData(); } return $data; } public function getSaveXml($level=0) { $prefixSpace = str_pad("", $level, "\t"); $str = "$prefixSpace<$this->nodeTag"; foreach($this->attributes as $key=>$value) $str .= " $key=\"$value\""; $str .= ">\r\n"; foreach($this->values as $key=>$value){ if(is_array($value)) { $str .= "$prefixSpace\t<$key"; foreach($value[attrs] as $attkey=>$attvalue) $str .= " $attkey=\"$attvalue\""; $tmpStr = $value[value]; } else { $str .= "$prefixSpace\t<$key"; $tmpStr = $value; } $tmpStr = trim(trim($tmpStr, "\r\n")); $str .= ($tmpStr===null || $tmpStr==="")? " />\r\n": ">$tmpStr</$key>\r\n"; } foreach($this->getNode() as $node) $str .= $node->getSaveXml($level+1)."\r\n"; $str .= "$prefixSpace</$this->nodeTag>"; return $str; } function __destruct() { unset($this->nodes, $this->attributes, $this->values); }}?>

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<?php/** *========================================================= * * @author hahawen(大龄青年) * @since 2004-12-04 * @copyright Copyright (c) 2004, NxCoder Group * *========================================================= *//** * class SimpleDocumentRoot * xml root class, include values/attributes/subnodes. * all this pachage's is work for xml file, and method is action as DOM. * * @package SmartWeb.common.xml * @version 1.0 */class SimpleDocumentRoot extends SimpleDocumentBase{ private $prefixStr = ''; private $nodeLists = array(); function __construct($nodeTag) { parent::__construct($nodeTag); } public function createNodeObject($pNodeId, $name, $attributes) { $seq = sizeof($this->nodeLists); $tmpObject = new SimpleDocumentNode($this, $pNodeId, $name, $seq); $tmpObject->setAttributes($attributes); $this->nodeLists[$seq] = $tmpObject; return $tmpObject; } public function removeNodeById($id) { if(sizeof($this->nodeLists)==1) $this->nodeLists = array(); else unset($this->nodeLists[$id]); } public function getNodeById($id) { return $this->nodeLists[$id]; } public function createNode($name, $attributes) { return $this->createNodeByName($this, $name, $attributes, -1); } public function removeNode($name) { return $this->removeNodeByName($this, $name); } public function getNode($name=null) { return $this->getNodeByName($this, $name); } public function getSaveXml() { $prefixSpace = ""; $str = $this->prefixStr."\r\n"; return $str.parent::getSaveXml(0); }}?>

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<?php/** *========================================================= * * @author hahawen(大龄青年) * @since 2004-12-04 * @copyright Copyright (c) 2004, NxCoder Group * *========================================================= *//** * class SimpleDocumentNode * xml Node class, include values/attributes/subnodes. * all this pachage's is work for xml file, and method is action as DOM. * * @package SmartWeb.common.xml * @version 1.0 */class SimpleDocumentNode extends SimpleDocumentBase{ private $seq = null; private $rootObject = null; private $pNodeId = null; function __construct($rootObject, $pNodeId, $nodeTag, $seq) { parent::__construct($nodeTag); $this->rootObject = $rootObject; $this->pNodeId = $pNodeId; $this->seq = $seq; } public function getPNodeObject() { return ($this->pNodeId==-1)? $this->rootObject: $this->rootObject->getNodeById($this->pNodeId); } public function getSeq(){ return $this->seq; } public function createNode($name, $attributes) { return $this->createNodeByName($this->rootObject, $name, $attributes, $this->getSeq()); } public function removeNode($name) { return $this->removeNodeByName($this->rootObject, $name); } public function getNode($name=null) { return $this->getNodeByName($this->rootObject, $name); }}?>

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[color=red]上面是经由过程函数getSaveData()前往的全部xml数据的数组[/color]Array( [name] => 华联 [address] => 北京长安街－9999号 [desc] => 连锁超市 [cat_food] => Array ( [attrs] => Array ( [id] => food ) [goods_food11] => Array ( [name] => food11 [price] => 12.90 [attrs] => Array ( [id] => food11 ) ) [goods_food12] => Array ( [name] => food12 [price] => 22.10 [desc] => Array ( [value] => 好器材保举 [attrs] => Array ( [creator] => hahawen ) ) [attrs] => Array ( [id] => food12 ) ) ) [cat_1] => Array ( [goods_tel21] => Array ( [name] => tel21 [price] => 1290 [attrs] => Array ( [id] => tel21 ) ) ) [cat_coat] => Array ( [attrs] => Array ( [id] => coat ) [goods_coat31] => Array ( [name] => coat31 [price] => 112 [attrs] => Array ( [id] => coat31 ) ) [goods_coat32] => Array ( [name] => coat32 [price] => 45 [attrs] => Array ( [id] => coat32 ) ) ) [special_hot] => Array ( [attrs] => Array ( [id] => hot ) [goods_0] => Array ( [name] => hot41 [price] => 99 ) ))[color=red]上面是经由过程setValue()函数，给给根节点添加信息，添加后显示出了局xml文件的内容[/color]<?xml version="1.0" encoding="GB2312" ?><shop> <name>华联</name> <address>北京长安街－9999号</address> <desc>连锁超市</desc> <telphone>123456789</telphone> <cat id="food"> <goods id="food11"> <name>food11</name> <price>12.90</price> </goods> <goods id="food12"> <name>food12</name> <price>22.10</price> <desc creator="hahawen">好器材保举</desc> </goods> </cat> <cat> <goods id="tel21"> <name>tel21</name> <price>1290</price> </goods> </cat> <cat id="coat"> <goods id="coat31"> <name>coat31</name> <price>112</price> </goods> <goods id="coat32"> <name>coat32</name> <price>45</price> </goods> </cat> <special id="hot"> <goods> <name>hot41</name> <price>99</price> </goods> </special></shop>[color=red]上面是经由过程getNode()函数，前往某一个分类下的一切商品的信息[/color][color=red]商品名：food11[/color]
Array( [name] => food11 [price] => 12.90)Array( [id] => food11)[color=red]商品名：food12[/color]
Array( [name] => food12 [price] => 22.10 [desc] => Array ( [value] => 好器材保举 [attrs] => Array ( [creator] => hahawen ) ))Array( [id] => food12)[color=red]上面是经由过程findNodeByPath()函数，前往某一商品的信息[/color][color=red]商品名：food11[/color]
Array( [name] => food11 [price] => 12.90)Array( [id] => food11)[color=red]上面是经由过程setValue()函数，给商品"food11"添加属性, 然后显示添加后的了局[/color]<?xml version="1.0" encoding="GB2312" ?><shop> <name>华联</name> <address>北京长安街－9999号</address> <desc>连锁超市</desc> <telphone>123456789</telphone> <cat id="food"> <goods id="food11"> <name>food11</name> <price>12.90</price> <leaveword author="hahawen" date="2004-12-05">这个商品不错</leaveword> </goods> <goods id="food12"> <name>food12</name> <price>22.10</price> <desc creator="hahawen">好器材保举</desc> </goods> </cat> <cat> <goods id="tel21"> <name>tel21</name> <price>1290</price> </goods> </cat> <cat id="coat"> <goods id="coat31"> <name>coat31</name> <price>112</price> </goods> <goods id="coat32"> <name>coat32</name> <price>45</price> </goods> </cat> <special id="hot"> <goods> <name>hot41</name> <price>99</price> </goods> </special></shop>[color=red]上面是经由过程removeValue()/removeAttribute()函数，给商品"food11"改动和删除属性, 然后显示操作后的了局[/color]<?xml version="1.0" encoding="GB2312" ?><shop> <name>华联</name> <address>北京长安街－9999号</address> <desc>连锁超市</desc> <telphone>123456789</telphone> <cat id="food"> <goods id="food11"> <name>food11</name> <price>12.90</price> <leaveword author="hahawen" date="2004-12-05">这个商品不错</leaveword> </goods> <goods id="food12"> <name>new food12</name> <price>22.10</price> </goods> </cat> <cat> <goods id="tel21"> <name>tel21</name> <price>1290</price> </goods> </cat> <cat id="coat"> <goods id="coat31"> <name>coat31</name> <price>112</price> </goods> <goods id="coat32"> <name>coat32</name> <price>45</price> </goods> </cat> <special id="hot"> <goods> <name>hot41</name> <price>99</price> </goods> </special></shop>[color=red]上面是经由过程createNode()函数，添加商品, 然后显示添加后的了局[/color]<?xml version="1.0" encoding="GB2312" ?><shop> <name>华联</name> <address>北京长安街－9999号</address> <desc>连锁超市</desc> <telphone>123456789</telphone> <cat id="food"> <goods id="food11"> <name>food11</name> <price>12.90</price> <leaveword author="hahawen" date="2004-12-05">这个商品不错</leaveword> </goods> <goods id="food12"> <name>new food12</name> <price>22.10</price> </goods> <goods id="food13"> <name>food13</name> <price>100</price> </goods> </cat> <cat> <goods id="tel21"> <name>tel21</name> <price>1290</price> </goods> </cat> <cat id="coat"> <goods id="coat31"> <name>coat31</name> <price>112</price> </goods> <goods id="coat32"> <name>coat32</name> <price>45</price> </goods> </cat> <special id="hot"> <goods> <name>hot41</name> <price>99</price> </goods> </special></shop>[color=red]上面是经由过程removeNode()函数，删除商品, 然后显示删除后的了局[/color]<?xml version="1.0" encoding="GB2312" ?><shop> <name>华联</name> <address>北京长安街－9999号</address> <desc>连锁超市</desc> <telphone>123456789</telphone> <cat id="food"> <goods id="food11"> <name>food11</name> <price>12.90</price> <leaveword author="hahawen" date="2004-12-05">这个商品不错</leaveword> </goods> <goods id="food13"> <name>food13</name> <price>100</price> </goods> </cat> <cat> <goods id="tel21"> <name>tel21</name> <price>1290</price> </goods> </cat> <cat id="coat"> <goods id="coat31"> <name>coat31</name> <price>112</price> </goods> <goods id="coat32"> <name>coat32</name> <price>45</price> </goods> </cat> <special id="hot"> <goods> <name>hot41</name> <price>99</price> </goods> </special></shop>

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