这是一个使用curl 和GET 接口的简单示例。
$zip = 97219;
$url = "http://www.webservicex.net/uszip.asmx/GetInfoByZIP?USZip=$zip";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
curl_close($ch);
$xmlobj = simplexml_load_string($result);
The $result
变量包含如下所示的 XML
<?xml version="1.0" encoding="utf-8"?>
<NewDataSet>
<Table>
<CITY>Portland</CITY>
<STATE>OR</STATE>
<ZIP>97219</ZIP>
<AREA_CODE>503</AREA_CODE>
<TIME_ZONE>P</TIME_ZONE>
</Table>
</NewDataSet>
一旦 XML 被解析为 SimpleXML 对象,您就可以像这样获取各个节点:
print $xmlobj->Table->CITY;
如果你想变得更奇特,你可以将整个事情放入一个类中:
class GetInfoByZIP {
public $zip;
public $xmlobj;
public function __construct($zip='') {
if($zip) {
$this->zip = $zip;
$this->load();
}
}
public function load() {
if($this->zip) {
$url = "http://www.webservicex.net/uszip.asmx/GetInfoByZIP?USZip={$this->zip}";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
curl_close($ch);
$this->xmlobj = simplexml_load_string($result);
}
}
public function __get($name) {
return $this->xmlobj->Table->$name;
}
}
然后可以像这样使用:
$zipInfo = new GetInfoByZIP(97219);
print $zipInfo->CITY;