使用循环或直接访问解析嵌套的xml simplexml_load_string /简单的xml对象
我是PHP的新手。我有以下XML文件。我想解析组件。正如你可以看到组件标签在这里重复。我正在使用simplexml_load_string来获取来自HTTP请求的响应。这里重复这个XML模式（<order></order>）在这里重复。我想解析所有使用循环或直接访问。使用循环或直接访问解析嵌套的xml simplexml_load_string /简单的xml对象
<Order>
<AmazonOrderID>406-6143419-7223518</AmazonOrderID>
<MerchantOrderID>406-6143419-7223518</MerchantOrderID>
<ShipmentID>DDNSkvgJN</ShipmentID>
<MarketplaceName>Amazon.in</MarketplaceName>
<Fulfillment>
<MerchantFulfillmentID>AFN</MerchantFulfillmentID>
<PostedDate>2017-07-22T08:31:18+00:00</PostedDate>
<Item>
<AmazonOrderItemCode>31251963544243</AmazonOrderItemCode>
<SKU>DZ-HA0T-A5GQ</SKU>
<Quantity>1</Quantity>
<ItemPrice>
<Component>
<Type>Principal</Type>
<Amount currency="INR">780.47</Amount>
</Component>
<Component>
<Type>Shipping</Type>
<Amount currency="INR">13.02</Amount>
</Component>
<Component>
<Type>Tax</Type>
<Amount currency="INR">174.78</Amount>
</Component>
</ItemPrice>
<ItemFees>
<Fee>
<Type>FBAPerUnitFulfillmentFee</Type>
<Amount currency="INR">-10.00</Amount>
</Fee>
<Fee>
<Type>FBAPerUnitFulfillmentFeeTax</Type>
<Amount currency="INR">-1.80</Amount>
</Fee>
<Fee>
<Type>FBAWeightBasedFee</Type>
<Amount currency="INR">-43.00</Amount>
</Fee>
<Fee>
<Type>FBAWeightBasedFeeTax</Type>
<Amount currency="INR">-7.74</Amount>
</Fee>
<Fee>
<Type>Commission</Type>
<Amount currency="INR">-135.83</Amount>
</Fee>
<Fee>
<Type>CommissionTax</Type>
<Amount currency="INR">-24.45</Amount>
</Fee>
<Fee>
<Type>FixedClosingFee</Type>
<Amount currency="INR">-20.00</Amount>
</Fee>
<Fee>
<Type>FixedClosingFeeTax</Type>
<Amount currency="INR">-3.60</Amount>
</Fee>
</ItemFees>
<Promotion>
<MerchantPromotionID>DCMS-3f4089f9-060b2c1e</MerchantPromotionID>
<Type>Principal</Type>
<Amount currency="INR">-156.25</Amount>
</Promotion>
<Promotion>
<MerchantPromotionID>IN Core Free Shipping 2015/04/08 23-48-5-108</MerchantPromotionID>
<Type>Shipping</Type>
<Amount currency="INR">-13.02</Amount>
</Promotion>
</Item>
</Fulfillment>
</Order>
到目前为止，我已经试过这段代码：
$xml = simplexml_load_string($xmlDoc);
foreach($xml->children() as $node) {
echo $node->AmazonOrderID . ", ";
echo $node->ShipmentID . ", ";
echo $node->SKU . ", ";
echo $node->Component . "<br>";
}
您可以使用XPath方法方便地访问组件的元素。
$components = $xml->xpath('Fulfillment/Item/ItemPrice/Component');
print_r($components);
这就给了你这个数组：
Array
(
[0] => SimpleXMLElement Object
(
[Type] => Principal
[Amount] => 780.47
)
[1] => SimpleXMLElement Object
(
[Type] => Shipping
[Amount] => 13.02
)
[2] => SimpleXMLElement Object
(
[Type] => Tax
[Amount] => 174.78
)
)
用xpath试过不行。不工作:( –
你可以看到它在这里工作：http://sandbox.onlinephpfunctions.com/code/93c16986fc85a03fc20804a2f30ae4ae570ac461他们不允许'simplexml_load_string'，所以我用'新的SimpleXMLElement'。 – nanocv
我已经把数据写入文件，但这是一个简单的变化负载位（我用_file，不_string），但代码的其余部分应该告诉你如何访问数据的层次......
$xml = simplexml_load_file($url);
echo $xml->AmazonOrderID . ", ";
echo $xml->ShipmentID . ", ";
echo $xml->SKU . ", ";
foreach($xml->Fulfillment->Item as $item) {
foreach ($item->ItemPrice->Component as $component) {
echo "Type:".$component->Type." Amount:".$component->Amount.PHP_EOL;
}
}
，让你...
406-6143419-7223518, DDNSkvgJN, , Type:Principal Amount:780.47
Type:Shipping Amount:13.02
Type:Tax Amount:174.78
你有什么尝试？我们不会为您编写代码。 – Flummox
PHP手册有一个[简单示例页面]（http://php.net/manual/en/simplexml.examples-basic.php），它应该足以让您解析这样一个简单的XML文档。 – IMSoP