采集天猫商品详情页信息

//天猫规则

function caiji1(){

header("Content-type: text/html; charset=utf-8");

$url=$_POST['tianmao_url'];//商品详情页的网络连接

//$url="https://detail.tmall.com/item.htm?spm=a220m.1000858.1000725.11.45a71005sFv2xe&id=571479997739&skuId=3703504809818&user_id=196993935&cat_id=53412001&is_b=1&rn=c39a54dfa4803508cb2ebc69a66ecfe8";

$text=file_get_contents($url);

  $data=array();

  //http://www.22.com/index.php?c=shop_market&act=caiji1&datatype=json

//1运用正则抓取img标签中id为J_ImgBooth的img，$img[0]为该500图img标签，$img[1]为500图的图片地址；

    preg_match('/]*id="J_ImgBooth"[^r]*rc="([^"]*)"[^>]*>/', $text, $img); 

    $data['img']=  "http:".$img[1];

    //var_dump($img[1]);

   //2抓取商品名称

     preg_match('//', $text, $title); 

     $title1=iconv('GBK','UTF-8',$title[1]);

     $data['name']=$title1;

//3商品价格

   preg_match('/.+"price":"(.+)",.+/U', $text, $price);

    $price1=$price[1];

    $data['cost']=$price1;

    //var_dump($price);

//4商品描述

preg_match_all('/.+"descUrl":"(.+)"/U', $text, $content);//页面js脚本

    //var_dump($content);

  $xiangqing   = $content[1][0];//商品详情地址

  $xiangqing_url ="http:".$xiangqing;

  $xiangqing1 =file_get_contents($xiangqing_url);

  $xiangqing2=iconv('GBK','UTF-8',$xiangqing1); 

  $xiangqing3 = explode('desc=',$xiangqing2); 

  $data['xiangqing']= stripslashes($xiangqing3[1]);

  $this->actText->result('tianmao_xq',$data);

   $this->display();

}

//前台js