php XMLWriter类的简单示例
前面的mysql.php 是封装的mysql数据库功能,单例模式,所以取对象是静态方法 mysql::getObject();
代码很简单,如下所示:
include 'mysql.php' ; $mysql = mysql::getObject(); $mysql ->query( "SELECT * FROM post" ); $xml = new XMLWriter(); $xml ->openUri( 'hello.xml' ); // or 'php://output' $xml ->setIndentString( ' ' ); $xml ->setIndent(true); // start $xml ->startDocument( '1.0' , 'UTF-8' ); // <rss version="2.0"> $xml ->startElement( 'rss' ); $xml ->writeAttribute( 'version' , '2.0' ); // <channel> $xml ->startElement( 'channel' ); // title $xml ->startElement( 'title' ); $xml ->text( 'title' ); $xml ->endElement(); // link $xml ->startElement( 'link' ); $xml ->text( 'http://foodstory.me/post/' ); $xml ->endElement(); // description $xml ->startElement( 'description' ); $xml ->text( '' ); $xml ->endElement(); // language $xml ->startElement( 'language' ); $xml ->text( 'zh-cn' ); $xml ->endElement(); // category $xml ->startElement( 'category' ); $xml ->text( 'IT' ); $xml ->endElement(); // copyright $xml ->startElement( 'copyright' ); $xml ->text( 'copyright 2011 foodstory.me' ); $xml ->endElement(); // for item while ( $row = $mysql ->fetch() ) { $xml ->startElement( 'item' ); // title $xml ->startElement( 'title' ); $xml ->text( $row [ 'title' ]); $xml ->endElement(); // link $xml ->startElement( 'link' ); $xml ->text( 'http://foodstory.me/post/' . $row [ 'id' ]. '.html' ); $xml ->endElement(); // description $xml ->startElement( 'description' ); $xml ->text( $row [ 'text' ] ); $xml ->endElement(); // pubDate $xml ->startElement( 'pubDate' ); $xml ->text( date ( 'D, d M Y H:i:s T' , $row [ 'time' ]) ); $xml ->endElement(); // category tag author need to write .over $xml ->endElement(); // item } $xml ->endElement(); // channel $xml ->endElement(); // rss //开源代码phpfensi.com $xml ->endDocument(); // $xml->flush();openUri('') 方法的参数可以是一个文件,那么xml数据就写入到这个文件或者 php://output 输出到缓冲区,然后 flush方法输出到页面.
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