Maison >développement back-end >tutoriel php >php的XML文件解释类应用实例_PHP教程
XMLParser.class.php类文件如下:
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/** XML 文件分析类 * Date: 2013-02-01 * Author: fdipzone * Ver: 1.0 * * func: * loadXmlFile($xmlfile) 读入xml文件输出Array * loadXmlString($xmlstring) 读入xmlstring 输出Array */
class XMLParser{
/** 读取xml文件 * @param String $xmlfile * @return Array */ public function loadXmlFile($xmlfile){ // get xmlfile content $xmlstring = file_exists($xmlfile)? file_get_contents($xmlfile) : ''; // parser xml list($flag, $data) = $this->parser($xmlstring); return $this->response($flag, $data); }
/** 读取xmlstring * @param String $xmlstring * @return Array */ public function loadXmlString($xmlstring){ // parser xml list($flag, $data) = $this->parser($xmlstring); return $this->response($flag, $data); }
/** 解释xml内容 * @param String $xmlstring * @return Array */ private function parser($xmlstring){ $flag = false; $data = array(); // check xml format if($this->checkXmlFormat($xmlstring)){ $flag = true; // xml to object $data = simpleXML_load_string($xmlstring, 'SimpleXMLElement', LIBXML_NOCDATA); // object to array $this->objectToArray($data); } return array($flag, $data); }
/** 检查xml格式是否正确 * @param String $xmlstring * @return boolean */ private function checkXmlFormat($xmlstring){ if($xmlstring==''){ return false; } $xml_parser_obj = xml_parser_create();
if(xml_parse_into_struct($xml_parser_obj, $xmlstring, $vals, $indexs)===1){ // 1:success 0:fail return true; }else{ return false; } }
/** object 转 Array * @param object $object * @return Array */ private function objectToArray(&$object){
$object = (array)$object;
foreach($object as $key => $value){ if($value==''){ $object[$key] = ""; }else{ if(is_object($value) || is_array($value)){ $this->objectToArray($value); $object[$key] = $value; } } } }
/** 输出返回 * @param boolean $flag true:false * @param Array $data 转换后的数据 * @return Array */ private function response($flag=false, $data=array()){ return array($flag, $data); } } ?> |
Demo示例程序如下:
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require "XMLParser.class.php";
$xmlfile = 'file.xml'; $xmlstring = '
'; echo ' '; <p>$xml_parser = new XMLParser(); </p> <p>echo "response xmlfile\r\n"; </p> <p>list($flag, $xmldata) = $xml_parser->loadXmlFile($xmlfile); </p> <p>if($flag){ </p> <p> print_r($xmldata); </p> <p>} </p> <p>echo "response xmlstring\r\n"; </p> <p>list($flag, $xmldata) = $xml_parser->loadXmlString($xmlstring); </p> <p>if($flag){ </p> <p> print_r($xmldata); </p> <p>} </p> <p>echo '</p>'; ?> |