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使用PHP DOM-XML创建和解析XML文件
add_root("faq" );
$root->setattr("page", "32" );
//子节点
$one = $root->new_child("question", "");
//为子节点设置属性
$one->setattr("number", "1");
//question也创建子节点，并且给它赋值
$one->new_child("text", "1. Where to get libxml-2.0.0?");
$one->new_child("answer", "You can download the latest
release of libxml either as a source archive or
RPM package from http://www.xmlsoft.org.
The current version is libxml2-2.2.1." );
$two = $root->new_child("question", "" );
$two->setattr("number", "2");
$two->new_child("text", "2. How to configure PHP4?" );
// 创建一个不直接赋值的节点
$twoone = $two->new_child("answer", "");
// 然后给它单独赋值
$twoone->set_content("DIR is the libxml install directory
(if you just use --with-dom it defaults
to /usr), I needed to use --with-dom=/usr/local" );
$three = $root->new_child("question", "" );
$three->setattr("number", "7" );
$three->new_child("text", "7. How to use DOM XML function ?" );
$three->new_child("answer", "Read this document source for
a simple example." );
//输出到Browser
print("".htmlspecialchars($doc->dumpmem() )."" );
// write to file
//写回到文件
$fp = fopen("test_dom.xml", "w+" );
fwrite($fp, $doc->dumpmem(), strlen($doc->dumpmem() ));
fclose($fp);
// ------------------------------------------------------
//现在使用xpath从XML文档中得到内容
$doc = xmldoc(join("", file("test_dom.xml")) );
$ctx = xpath_new_context($doc );
//所有对象
$foo = xpath_eval($ctx, "//child::*");
print_r($foo);
print("
");
//text node 对象
$foo = xpath_eval($ctx, "//text");
print_r($foo);
print("
");
// 第一个text node对象
$foo = xpath_eval($ctx, "//text[1]");
print_r($foo);
print("
");
// 第二个text node对象
$foo = xpath_eval($ctx, "//text[2]");
print_r($foo);
print("
");
// 第三个answer对象
$foo = xpath_eval($ctx, "//answer[3]");
print_r($foo);
print("
");
//第三个text node的类型，名称和内容
$foo = xpath_eval($ctx, "//text[3]");
$tmp = $foo->nodeset;
print_r($tmp);
print("
");
print($tmp[0]->type) . "; ";
print($tmp[0]->name) . "; ";
print($tmp[0]->content);
?>
需要说明，PHP DOM 只能在PHP PHP4.0.x + linux上运行
PHPDOM类库请到http://www.zend.com/download下载 |
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发表于 2006-10-11 00:00:00
