简单的一个远传采集并下载远传图片存储到本地示例

<?php
/**
* 采集淘宝数据
* @Author Bieanju
**/
header("Content-Type:text/html; charset=utf-8");
$url = "https://item.taobao.com/item.htm?spm=a217h.7274645.1998424065.10.5kIFLZ&id=43823358756";
$str = file_get_contents($url);
$str = mb_convert_encoding($str,'UTF-8','GBK');
$goods['title'] = preg_substr('/<h3 class="tb-main-title"[^>]*>/','/<\/h3>/',$str);
$goods['market_price'] = preg_substr('/<em class="tb-rmb-num">/','/<\/em>/',$str);
preg_match('/<([a-z]+)[^i]*id=\"J_StrPrice\"[^>]*>([^<]*)<\/\\1>/is', $str, $price);
preg_match('/]*id="J_ImgBooth"[^r]*rc="([^"]*)"[^>]*>/', $str, $img);
$goods['price'] = !empty($price[1]) ? $price[1] : 0;
$url =!empty($img[1]) ? getImage('http:'.$img[1],'','upload',array('jpg','gif','png'),1) : 0;
$goods['url'] = $url;
if(isset($goods) && !empty($goods)){
echo "采集成功！<br />商品名称【".$goods['title']."】<br />商品价格【".$goods['market_price']."】<br />商品图片已成功保存到本地【".$goods['url']."】<br /><img src='".$goods['url']."' />";
}else{
exit("采集失败，请重试！");
}
/**
* 匹配区域采集数据
* @Author Bieanju
**/
function preg_substr($start, $end, $str){
$temp = preg_split($start, $str);
$content = preg_split($end, $temp[1]);
return $content[0];
}

/**
* 下载图片到本地
* @Author Bieanju
**/
function getImage($url, $filename='', $dirName, $fileType, $type=0){
if($url == ''){return false;}
$defaultFileName = basename($url);
$suffix = substr(strrchr($url,'.'), 1);
if(!in_array($suffix, $fileType)){
return false;
}
$filename = $filename == '' ? time().rand(0,9).'.'.$suffix : $defaultFileName;
if($type){
$ch = curl_init();
$timeout = 5;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file = curl_exec($ch);
curl_close($ch);
}else{
ob_start();
readfile($url);
$file = ob_get_contents();
ob_end_clean();
}
$dirName = $dirName.'/'.date('Y', time()).'/'.date('m', time()).'/'.date('d',time()).'/';
if(!file_exists($dirName)){
mkdir($dirName, 0777, true);
}
$res = fopen($dirName.$filename,'a');
fwrite($res,$file);
fclose($res);
return $dirName.$filename;
}
?>