PHP快速抓取快递信息

<?php
header("Content-type:text/html;charset=utf-8");
/**
*  Express.class.php   快递查询类
* @copyright            chzeze
* @lastmodify            2015-10-28
*/

class Express {

private $expressname =array(); //封装了快递名称

function __construct(){
$this->expressname = $this->expressname();
}

/*
* 采集网页内容的方法
*/
private function getcontent($url){
if(function_exists("file_get_contents")){
$file_contents = file_get_contents($url);
}else{
$ch = curl_init();
$timeout = 5;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
}
return $file_contents;
}
/*
* 获取对应名称和对应传值的方法
*/
private function expressname(){
$result = $this->getcontent("http://www.kuaidi100.com/");
//爬取快递名称对应的快递代码
preg_match_all("/data\-code\=\"(?P<name_code>\w+)\"\>(?P<name>.*)\<\/a>/iU",$result,$data);//(?P<name>)正则匹配存储字符
$name = array();
//var_dump($data['name']);
//echo "<br>";
foreach($data['name'] as $k=>$v){
$name[$v] =$data['name_code'][$k];//例：$name[中通]=zhontong
//echo "[".$v."]=".$name[$v]."<br>";//获取快递编码
}
//echo "一次查询"."<br>";
return $name;
}

/*
* 解析object成数组的方法
* @param $json 输入的object数组
* return $data 数组
*/
private function json_array($json){
if($json){
foreach ((array)$json as $k=>$v){
$data[$k] = !is_string($v)?$this->json_array($v):$v;
}
return $data;
}
}
public  function getorder($name,$order){
$keywords = $this->expressname[$name];
//var_dump($keywords);
//$keywords=shunfeng;
//$order=688625443909;
$result = $this->getcontent("http://www.kuaidi100.com/query?type={$keywords}&postid={$order}");
$result = json_decode($result);
$data = $this->json_array($result);
return $data;
}
}
$a = new Express();

echo "PHP快速抓取快递信息"."<br>";

echo "<p>/************************************************************/</br>";
for($num=688625443900;$num<=688625443910;$num++)
{
echo "<br>快递单号：".$num;
$result = $a->getorder("顺丰",$num);
if(isset($result['nu']))
{
echo "    更新时间".$result['updatetime']."<br>";//生成表格
echo "<table border=\"1\">";
echo "<tr>";
echo "<th>时间</th>";
echo "<th>地点和跟踪进度</th>";
echo "</tr>";
foreach($result['data'] as $k=>$v)
{
echo "<tr>";
echo "<td>".$v['time']."</td>";
echo "<td>".$v['context']."</td>";
echo "</tr>";
}
echo "</table>";
}
else
{
echo "<br>".$result['message'];//输出错误信息
//var_dump($result);
}
}
echo "</br><p>/************************************************************/</p>";
?>