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XML 转成数组对象

WBOYasal: 2016-07-25 09:05:071137semak imbas

将XML内容解析后返回一个对应的数组对象，并且可以通过参数设置来设置返回类型【数组、JSON】默认:数组
由于是基于simplexml_load_string 对带有命名空间的XML解析不是很好，会丢失命名空间内容以上是在测试中得到的结论，后续版本会解决这个问题。
这个可以满足一般的使用需求

function toJSON()
{
require_once '../classes/XmlToArray.php';
$XML=
li> "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
add.action
/emp/add_suc.jsp
/emp/list.jsp
delete.action
/emp/delete_suc.jsp
update.action
/emp/edit_suc.jsp
/emp/edit.jsp
XML;
header("Content-type: text/html; charset=utf-8") ;
$xml_to_array = new XmlToArray();
$xml_to_array->setXml($XML);
// 当标签名与内置属性有冲突的时候可以自定义相关属性名,一般其概况不需要设置
//$xml_to_array->setAttributeAsName("attributeAsName")->setContentAsName("contentasName");
$r = $xml_to_array->parseXml(true);
print_r( $r ) ;
}
// 打印结果：
{"struts":{"attributes":[],"content":"","constant":{"attributes":{"name":"struts.objectFactory","value":"spring"},"content":""},"package":{"attributes":{"name":"crm_employee","extends":"struts-default","namespace":"\/emp"},"content":"","action":[{"attributes":{"name":"add","class":"addBean","method":"add"},"content":"","result":[{"attributes":[],"content":"add.action"},{"attributes":[],"content":"\/emp\/add_suc.jsp"}]},{"attributes":{"name":"list","class":"listBean","method":"list"},"content":"","result":{"attributes":[],"content":"\/emp\/list.jsp"}},{"attributes":{"name":"delete","class":"deleteBean","method":"delete"},"content":"","result":{"attributes":[],"content":"\/emp\/delete_suc.jsp"}},{"attributes":{"name":"update","class":"updateBean","method":"update"},"content":"","result":{"attributes":[],"content":"\/emp\/edit_suc.jsp"}},{"attributes":{"name":"edit","class":"editBean","method":"edit"},"content":"","result":{"attributes":[],"content":"\/emp\/edit.jsp"}}]}}}
// 打印数组
function toArray()
{
require_once '../classes/XmlToArray.php';
$XML=
li> "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
add.action
/emp/add_suc.jsp
/emp/list.jsp
delete.action
/emp/delete_suc.jsp
update.action
/emp/edit_suc.jsp
/emp/edit.jsp
XML;
header("Content-type: text/html; charset=utf-8") ;
$xml_to_array = new XmlToArray();
$xml_to_array->setXml($XML);
// 当标签名与内置属性有冲突的时候可以自定义相关属性名,一般其概况不需要设置
//$xml_to_array->setAttributeAsName("attributeAsName")->setContentAsName("contentasName");
$r = $xml_to_array->parseXml();
print_r( $r ) ;
}
// 打印结果
Array
(
[struts] => Array
(
[attributes] => Array
(
)
[content] =>
[constant] => Array
(
[attributes] => Array
(
[name] => struts.objectFactory
[value] => spring
)
[content] =>
)
[package] => Array
(
[attributes] => Array
(
[name] => crm_employee
[extends] => struts-default
[namespace] => /emp
)
[content] =>
[action] => Array
(
[0] => Array
(
[attributes] => Array
(
[name] => add
[class] => addBean
[method] => add
)
[content] =>
[result] => Array
(
[0] => Array
(
[attributes] => Array
(
)
[content] => add.action
)
[1] => Array
(
[attributes] => Array
(
)
[content] => /emp/add_suc.jsp
)
)
)
[1] => Array
(
[attributes] => Array
(
[name] => list
[class] => listBean
[method] => list
)
[content] =>
[result] => Array
(
[attributes] => Array
(
)
[content] => /emp/list.jsp
)
)
[2] => Array
(
[attributes] => Array
(
[name] => delete
[class] => deleteBean
[method] => delete
)
[content] =>
[result] => Array
(
[attributes] => Array
(
)
[content] => /emp/delete_suc.jsp
)
)
[3] => Array
(
[attributes] => Array
(
[name] => update
[class] => updateBean
[method] => update
)
[content] =>
[result] => Array
(
[attributes] => Array
(
)
[content] => /emp/edit_suc.jsp
)
)
[4] => Array
(
[attributes] => Array
(
[name] => edit
[class] => editBean
[method] => edit
)
[content] =>
[result] => Array
(
[attributes] => Array
(
)
[content] => /emp/edit.jsp
)
)
)
)
)
)

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/**
* Created by JetBrains PhpStorm.
* User: hedgehog
* Date: 12-5-9
* Time: 下午4:37
* To change this template use File | Settings | File Templates.
*/
class XmlToArray
{
private $xml;
private $contentAsName="content" ;
private $attributesAsName="attributes";
private $xml_array = array();
public function setXml( $xmlstr )
{
$this->xml = $xmlstr ;
return $this ;
}
public function setContentAsName( $name )
{
$this->contentAsName = $name ;
return $this ;
}
public function setAttributeAsName( $name )
{
$this->attributesAsName = $name ;
return $this ;
}
private function createXMLArray( $node,&$parent_node,$node_index =0)
{
$node_attrbutes= array() ;
$node_name = $node->getName() ;
$attributes = $node->attributes() ;
$children = $node->children () ;
// 遍历节点上的所有属性
foreach( $attributes as $attrname => $attrvalue )
{
$attrvalue = ( string )$attrvalue ;
$node_attrbutes[ $attrname ] = trim( $attrvalue ) ;
}
$content = "";
if( count($children) == 0 )
{
$content = ( string ) $node ;
}
$node_array = array(
$this->attributesAsName =>$node_attrbutes ,
$this->contentAsName => trim( $content )
);
// 设置层级关系
if( !isset( $parent_node[ $node_name ] ) )
{
$is = count( $parent_node ) ;
if( !isset( $parent_node[ $this->attributesAsName ] ) && count( $parent_node ) > 0 )
{
$last_index = count( $parent_node ) -1 ;
$parent_node =& $parent_node[ $last_index ];
$parent_node[ $node_name ] = $node_array ;
}
else
{
$parent_node[ $node_name ] = $node_array ;
}
}
else
{
$append = &$parent_node[ $node_name ] ;
if( isset( $append[ $this->attributesAsName ] ) )
{
$parent_node[ $node_name ] = array( $append );
$append = &$parent_node[ $node_name ] ;
}
if( isset( $append[ $node_index ] ) )
{
$append = &$append[ $node_index ] ;
}
// 追加
array_push( $append , $node_array ) ;
}
$index = 0 ;
// 递归操作
foreach( $children as $childnode )
{
$parent = &$parent_node[ $node_name ] ;
$this->createXMLArray( $childnode ,$parent,$index ++ );
}
return $parent_node ;
}
public function parseXml( $isjson=false)
{
$root = simplexml_load_string ( $this->xml ) ;
$parent_node = array();
$array = $this->createXMLArray( $root ,$parent_node ) ;
return $isjson ? json_encode( $array ) : $array ;
}
}

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