本文实例讲述了PHP实现动态创建XML文档的方法。分享给大家供大家参考,具体如下:
一. 代码
conn.php
<?php$id=mysql_connect("localhost","root","root") or die('数据库连接失败:' . mysql_error());if(mysql_select_db("db_database26",$id)) echo ""; else echo ('数据库错误' . mysql_error());mysql_query("set names gb2312");?>
index.php
<aref="rss.xml">查看rss.xml文件中的内容</a><?phpinclude_once("conn/conn.php");include_once("rss.php");?>
rss.php
<?php$self=$_SERVER['HTTP_REFERER'];$u=$_SERVER['HTTP_HOST'];$url="http://"."$u";$date_time=date("Y-m-d H:i:s");$dom = new DomDocument('1.0','gb2312'); //创建DOM对象$object = $dom->createElement('rss'); //创建根节点rss$dom->appendChild($object); //将创建的根节点添加到dom对象中 $type1 = $dom->createAttribute('xmlns:rdf'); //创建一个节点属性xmlns:rdf $object->appendChild($type1); //将属性追加到rss根节点中 $type1_value = $dom->createTextNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#'); //创建一个属性值 $type1->appendChild($type1_value); //将属性值赋给属性xmlns:rdf $type2 = $dom->createAttribute('xmlns:dc'); //创建一个节点属性xmlns:dc $object->appendChild($type2); //将属性追加到rss根节点中 $type2_value = $dom->createTextNode('http://purl.org/dc/elements/1.1/'); //创建一个属性值 $type2->appendChild($type2_value); //将属性值赋给属性xmlns:dc $type3 = $dom->createAttribute('xmlns:taxo'); //创建一个节点属性xmlns:taxo $object->appendChild($type3); //将属性追加到rss根节点中 $type3_value = $dom->createTextNode('http://purl.org/rss/1.0/modules/taxonomy/'); //创建一个属性值 $type3->appendChild($type3_value); //将属性值赋给属性xmlns:taxo $type4 = $dom->createAttribute('version'); //创建一个节点属性version $object->appendChild($type4); //将属性追加到rss根节点中 $type4_value = $dom->createTextNode('2.0'); //创建一个属性值 $type4->appendChild($type4_value); //将属性值赋给属性version $channel = $dom->createElement('channel'); //创建节点channel $object->appendChild($channel); //将节点channel追加到根节点rss下 $title = $dom->createElement('title'); //创建节点title $channel->appendChild($title); //将节点追加到channel节点下 $title_value = $dom->createTextNode(iconv('gb2312','utf-8','明日科技')); //创建元素值 $title->appendChild($title_value); //将值赋给title节点 $link = $dom->createElement('link'); //创建节点link $channel->appendChild($link); //将节点追加到channel节点下 $link_value = $dom->createTextNode(iconv('gb2312','utf-8','http://www.mingrisoft.com'));//创建元素值 $link->appendChild($link_value); //将值赋给link节点 $description = $dom->createElement('description'); //创建节点description $channel->appendChild($description); //将节点追加到channel节点下 $description_value = $dom->createTextNode(iconv('gb2312','utf-8','明日科技')); //创建元素值 $description->appendChild($description_value); //将值赋给description节点 $dc_creator = $dom->createElement('dc:creator'); //创建节点dc:creator $channel->appendChild($dc_creator); //将节点追加到channel节点中 $dc_creator_value = $dom->createTextNode(iconv('gb2312','utf-8','http://www.mingrisoft.com'));//创建元素值 $dc_creator->appendChild($dc_creator_value); //将值赋给dc:creator节点$sql=mysql_query("select * from tb_rss_database order by tb_rss_id desc"); //从数据库中读取数据while($myrow=mysql_fetch_array($sql)){ //循环输出数据库中数据 $item = $dom->createElement('item'); //创建节点item $object->appendChild($item); //将item追加到channel节点下 $item_title = $dom->createElement('title'); //创建title节点 $item->appendChild($item_title); //将节点追加到item节点下 $item_link = $dom->createElement('link'); //创建link节点 $item->appendChild($item_link); //将节点追加到item节点下 $item_description = $dom->createElement('description'); //创建description节点 $item->appendChild($item_description); //将节点追加到item节点中 $item_pubDate = $dom->createElement('pubDate'); //创建节点pubDate $item->appendChild($item_pubDate); //将节点追加到item节点下 $title_value = $dom->createTextNode(iconv('gb2312','utf-8',"$myrow[tb_rss_subject]")); //创建元素值 $item_title->appendChild($title_value); //将值赋给title节点 $link_value = $dom->createTextNode(iconv('gb2312','utf-8',"$url/tm/sl/22/02/look_content.php?lmbs=$myrow[tb_rss_id]"));//创建元素值 $item_link->appendChild($link_value); //将值赋给link节点 $description=substr($myrow[tb_rss_content],0,80); //截取该字段中的前80个字符 $description_value = $dom->createTextNode(iconv('gb2312','utf-8',"$description"));//创建元素值 $item_description->appendChild($description_value); //将值赋给description节点 $pubDate_value = $dom->createTextNode(iconv('gb2312','utf-8',"$date_time"));//创建元素值 $item_pubDate->appendChild($pubDate_value); //将值赋给pubDate节点}$modi = $dom->saveXML(); //生成xml文档file_put_contents('Rss.xml',$modi); /* 将对象保存到Rss.xml文档中 */?>
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