<?php
set_time_limit(0);
date_default_timezone_set("Asia/shanghai");
//自定义抓取图片地址
$url = 'http://detail.tmall.com/item.htm?spm=a220m.1000858.1000725.19.VhK2kI&id=27450304248&areaId=&user_id=230988517&is_b=1&cat_id=2&q=iphone+5&rn=ad04038a8821d017f0a878c5cf9f448a';
$ip_arr = get_ips();
$ip = trim(get_rand_ip($ip_arr)); //随机ip
$content = get_content_by_url($url, $ip);
//获取标题
preg_match("/<h3 data-spm=\"1000983\">[\s]*(.*)[\s]*<\/h3>/i", $content, $match_title);
if(isset($match_title[1]) && $match_title[1]){
$title = $match_title[1];
echo mb_convert_encoding('标题为：', 'GBK', 'UTF-8') . $title . '<br />';
}else{
preg_match("/<h3 data-spm=\"1000983\">[\s]*<a target=\"_blank\" href=\"(.*?)\">(.*)<\/a>/i", $content, $match_title);
if(isset($match_title[2]) && $match_title[2]){
$title = $match_title[2];
echo mb_convert_encoding('标题为：', 'GBK', 'UTF-8') . $title . '<br />';
}else{
echo mb_convert_encoding('没有获取到标题，程序终止：', 'GBK', 'UTF-8');
exit;
}
}
//获取价格
if($price = get_price($url)){
echo mb_convert_encoding('价格为：', 'GBK', 'UTF-8') . $price . '<br />';
}else{
echo mb_convert_encoding('没有获取到价格，程序终止：', 'GBK', 'UTF-8') . '<br />';
}
//获取图片
preg_match("/<img id=\"J_ImgBooth\" src=\"(.*?)\"/i", $content, $match_img);
if(isset($match_img[1]) && $match_img[1]){
$img_url = $match_img[1];
echo mb_convert_encoding('图片地址为：', 'GBK', 'UTF-8') . $img_url . '<br />';
echo "<img src='$img_url' width=300, height=300>";
}else{
echo mb_convert_encoding('没有获取图片地址，程序终止：', 'GBK', 'UTF-8');
exit;
}
function get_rand_ip($ip_arr){
if(empty($ip_arr)){
return false;
}
$ip_count = count($ip_arr);
$rand_num = rand(0, $ip_count-1);
return trim($ip_arr[$rand_num]);
}
function get_ips(){
$fp = fopen('ip.txt', 'r+');
$ip_arr = array();
while($line=fgets($fp)){
array_push($ip_arr, $line);
}
fclose($fp);
return $ip_arr;
}
function get_content_by_url($url, $ip = '127.0.0.1'){
if(empty($url)){
return;
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_USERAGENT,'Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 5.0)');
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1);
if(!empty($ip)){
curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:' . $ip, 'CLIENT-IP:' . $ip)); //构造IP
}
$content = curl_exec($ch);
return $content;
}
function get_price($url){
if(empty($url)){
return;
}
preg_match("/id=(\d+)/i", $url, $id_arr);
if(!empty($id_arr)){
$id = $id_arr[1];
}else{
return;
}
$item_url='http://mdskip.taobao.com/core/initItemDetail.htm?itemId=' . $id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $item_url);
//设置来源链接，这里是商品详情页链接
curl_setopt($ch,CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/0 (Windows; U; Windows NT 0; zh-CN; rv:3)");
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_POST,1);
$result = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);
//去除回车、空格等
$result=str_replace(array("\r\n","\n","\r","\t",chr(9),chr(13)),'',$result);
//将json数据中，以纯数字为key的字段加上双引号，例如28523678201:{"areaSold":1}转为："28523678201":{"areaSold":1}，否则json_decode会出现错误
$mode="#([0-9]+)\:#m";
preg_match_all($mode,$result,$s);
$s=$s[1];
if(count($s)>0){
foreach($s as $v){
$result=str_replace($v.':','"'.$v.'":',$result);
}
}
//将字符编码转为utf-8，并且将中文转译，否则json_decode会出现错误
$result=iconv('gb2312','utf-8',$result);
$str=array();
$mode='/([\x80-\xff]*)/i';
if(preg_match_all($mode,$result,$s)){
foreach($s[0] as $v){
if(!empty($v)){
$str[base64_encode($v)]=$v;
$result=str_replace('"'.$v.'"','"'.base64_encode($v).'"',$result);
}
}
}
$result=json_decode($result,true);
//这里得到的数据中，中文数据被转译，下面将中文数据解析
$result=arr_foreach($result,$str);
foreach($result['defaultModel']['itemPriceResultDO']['priceInfo'] as $result_price){
if(isset($result_price['promotionList'])){
$price = $result_price['promotionList'][0]['price'];
}else{
$price = $result_price['price'];
}
break;
}
return $price;
}
function arr_foreach ($arr,$str)
{
if (!is_array ($arr))
{
return false;
}
foreach ($arr as $key => $val )
{
if (is_array ($val))
{
$arr[$key]=arr_foreach($val,$str);
}
else
{
if(!empty($val)){
if($str[$val]){
$arr[$key]=$str[$val];
}
}
}
}
return $arr;
}
?>
