phpQuery对数据信息的采集进一步学习

前提：需要下载：phpQuery/phpQuery.php

链接：http://www.cnblogs.com/wuheng1991/p/5145398.html

1.对于规则的部分

<?php

header('Content-Type:text/html;charset=UTF-8');

include './phpQuery/phpQuery.php';

set_time_limit(10000);

$id = isset($_GET['id']) ? intval($_GET['id']) : 1;

if($id > 46){

   echo "finish!";

   exit;

}

// exit;

echo "当前 id=".$id;

echo "<br/>";

$url = "http://www.genetex.com/web/Search/SearchList.aspx?&Category=494&Page=".$id."&SpecialGroupID=240";

echo "当前的URL：";

echo $url."<br/>";

phpQuery::newDocumentFile($url);

$artList = pq(".sear_list");

$count = count($artList);

// var_dump($count);

$i = 0;

foreach($artList as $li){

    $url = '';

    $tr = '';

    $tr = pq($li)->eq(0)->find("li")->eq(1)->find("a")->attr('href');

    $tr = trim($tr);

    // var_dump($tr);

    $url = "http://www.genetex.com/";

    $arr = explode("/",$tr);

    // exit;

    $end = trim($arr[2]);

    $rel_url = $url.$end;

    $rel_url = $rel_url."\r\n";

    file_put_contents('url.txt',$rel_url,FILE_APPEND); //用于装载执行失败的数据

    echo '<br/>';

}

?>

<script>

function JumpUrl(){

    location.href='?id=<?php echo ($id+1);?>';

}

setTimeout(JumpUrl,0);

</script>

2.对于不规则的部分。（通过产品链接，得到产品相关信息）

<?php

header('Content-Type:text/html;charset=UTF-8');

include './phpQuery/phpQuery.php';

set_time_limit(10000);

$id = isset($_GET['id']) ? intval($_GET['id']) : 0;

$arr = file('./url.txt');

// var_dump($arr);

if($id > 453){

   echo "finish!";

   exit;

}

$curr_url = trim($arr[$id]);

unset($arr);

var_dump($curr_url);

echo '<br/>';

echo '<hr/>';

phpQuery::newDocumentFile($curr_url);

$arrAll = array();

$artList = pq(".table_style_1");

$app = pq(".sear_list_2")->eq(0)->find("span")->eq(1)->html();

$app = trim($app);

echo "Application Information:".$app;

echo '<hr/>';

$arrAll['xing_num']= '';

$arrAll['reference'] = '';

// var_dump($artList);

foreach($artList as $key =>$li){

    if($key == 0){

    $tr1 = '';  ####  Catalog Number,Full Name,Storage Buffer

    $tr2 = '';  ####  Catalog Number,Full Name,Storage Buffer 对应的属性值

    $tr3 = '';  ####  Product Name , Product Description,Storage Instruction

    $tr4 = '';  ####  Product Name , Product Description,Storage Instruction 对应的属性值

    $tr5 = '';  ####  Applications,Background, Notes

    $tr6 = '';  ####  Applications,Background, Notes 对应的属性值

    $tr1 = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(0)->html();

    $tr1 = trim($tr1);

    $tr1 = str_replace("\r\n","",$tr1);

    $tr2 = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->html();

    $tr2 = trim($tr2);

    $tr2_a = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->find(".recommend")->eq(0)->html();

    $tr2_a = trim($tr2_a);

    // $tr2_a = str_replace("\r\n","",$tr2_a);

    $tr2_xx = '';  ###星星

    $tr2_xx = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->find(".recommend")->eq(0)

    ->find("div")->eq(1)->html();

    $tr2_xx = strip_tags($tr2_xx);

    $tr2_xx = str_replace("\r\n","",$tr2_xx);

    $tr2_xx = str_replace("(","",$tr2_xx);

    $tr2_xx = str_replace(")","",$tr2_xx);

    $tr2_xx = str_replace(" ","",$tr2_xx);

    $arrAll['xing_num'] = $tr2_xx;

    // echo "<hr/>";

    // echo var_dump($tr2_xx);

    // echo "<hr/>";

    $tr2_yy = '';  ### refercence

    $tr2_yy = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->find(".recommend")->eq(0)

    ->find("div")->eq(2)->html();

    $tr2_yy = strip_tags($tr2_yy);

    $tr2_yy = str_replace("\r\n","",$tr2_yy);

    $tr2_yy = str_replace("(","",$tr2_yy);

    $tr2_yy = str_replace(")","",$tr2_yy);

    $tr2_yy = str_replace(" ","",$tr2_yy);

    $arrAll['reference'] = $tr2_yy;

    // echo "<hr/>";

    // echo var_dump($tr2_yy);

    // echo "<hr/>";

    $tr2 = str_replace($tr2_a,"",$tr2);

    $tr2 = strip_tags($tr2);

    $tr2 = str_replace(" ","",$tr2);

    $tr2 = str_replace("\r\n","",$tr2);

    $tr2 = trim($tr2);

    $tr3 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(0)->html();

    $tr3 = trim($tr3);

    $tr3 = str_replace("\r\n","",$tr3);

    if($key == 0){

    $tr4 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(1)->find('strong')->eq(0)->html();

    }else{

    $tr4 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(1)->html();

    }

    // $tr4 = trim($tr4);

    // $tr4 = str_replace(" ","",$tr4);

    $tr4 = str_replace("\r\n","",$tr4);

    $tr4 = trim($tr4);

    $tr5 = pq($li)->eq(0)->find("tr")->eq(2)->find("td")->eq(0)->html();

    $tr5 = trim($tr5);

    $tr5 = str_replace("\r\n","",$tr5);

    $tr6 = pq($li)->eq(0)->find("tr")->eq(2)->find("td")->eq(1)->html();

    $tr6 = str_replace(" ","",$tr6);

    $tr6 = str_replace("\r\n","",$tr6);

    $tr6 = trim($tr6);

    // echo $tr1."  ;  ".$tr2."   ;     ".$tr3."   ;   ".$tr4."  ;   ".$tr5." ;  ".$tr6;

    // echo '<hr/>';

    // echo '<br/>';

 }

    // exit;

}

$arrAll['Application_Information'] = $app;

$arrAll['catalog_number'] = $tr2;

$arrAll['product_name'] = $tr4;

$arrAll['applications'] = $tr6;

$arrAll['position_controls'] = "";    

$art = pq("#tab1 table");

// var_dump($art);

foreach($art as $k =>$v){

if($k == 0){

    // var_dump($v);

for($ii = 0;$ii < 5;$ii ++){

$a_1 = '';

$a_1 = pq($v)->eq(0)->find("tr")->eq(7+$ii)->find("td")->eq(0)->html();

$a_1 = trim($a_1);

if($a_1 == "Positive Controls"){

$a_2 = pq($v)->eq(0)->find("tr")->eq(7+$ii)->find("td")->eq(1)->html();

$a_2 = trim($a_2);

$arrAll['position_controls'] = $a_2;

} 

}

// var_dump($a_1);

// exit;

}

}

// var_dump($arrAll);

$arrAll['full_name'] = '';

$arrAll['product_description'] = '';

$arrAll['synonyms'] = '';

$arrAll['host'] = '';

$arrAll['clonality'] = '';

$arrAll['isotype'] = '';

$arrAll['species_reactivity'] = '';

$arrAll['conjugation'] = '';

// echo '<br/>';

// echo '<hr/>';

foreach($artList as $key =>$li){

    if($key == 1){

    $tr1 = '';  ####  Catalog Number,Full Name,Storage Buffer

    $tr2 = '';  ####  Catalog Number,Full Name,Storage Buffer 对应的属性值

    $tr3 = '';  ####  Product Name , Product Description,Storage Instruction

    $tr4 = '';  ####  Product Name , Product Description,Storage Instruction 对应的属性值

    $tr5 = '';  ####  Applications,Background, Notes

    $tr6 = '';  ####  Applications,Background, Notes 对应的属性值

    $tr1 = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(0)->html();

    $tr1 = trim($tr1);

    $tr1 = str_replace("\r\n","",$tr1);

    $tr2 = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->html();

    $tr2 = trim($tr2);

    $tr2_a = pq($li)->eq(0)->find("tr")->eq(0)->find("td")->eq(1)->find(".recommend")->eq(0)->html();

    $tr2_a = trim($tr2_a);

    // $tr2_a = str_replace("\r\n","",$tr2_a);

    $tr2 = str_replace($tr2_a,"",$tr2);

    $tr2 = strip_tags($tr2);

    // $tr2 = str_replace(" ","",$tr2);

    $tr2 = str_replace("\r\n","",$tr2);

    $tr2 = trim($tr2);

    $tr3 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(0)->html();

    $tr3 = trim($tr3);

    $tr3 = str_replace("\r\n","",$tr3);

    if($key == 0){

    $tr4 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(1)->find('strong')->eq(0)->html();

    }else{

    $tr4 = pq($li)->eq(0)->find("tr")->eq(1)->find("td")->eq(1)->html();

    }

    // $tr4 = trim($tr4);

    // $tr4 = str_replace(" ","",$tr4);

    $tr4 = str_replace("\r\n","",$tr4);

    $tr4 = trim($tr4);

    for($jj = 0;$jj < 3;$jj ++){

        $tr5 = '';

        $tr5 = pq($li)->eq(0)->find("tr")->eq(2+$jj)->find("td")->eq(0)->html();

           $tr5 = str_replace("\r\n","",$tr5);

           $tr5 = trim($tr5);

           if($tr5 == "Synonyms"){

               $tr6 = pq($li)->eq(0)->find("tr")->eq(2+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr6 = str_replace("\r\n","",$tr6);

            $tr6 = trim($tr6);

            $arrAll['synonyms'] = $tr6;

           }

    }

       ####  host  #####

      for($jj = 0;$jj < 4;$jj ++){

        $tr7 = '';

        $tr7 = pq($li)->eq(0)->find("tr")->eq(3+$jj)->find("td")->eq(0)->html();

           $tr7 = str_replace("\r\n","",$tr7);

           $tr7 = trim($tr7);

           if($tr7 == "Host"){

               $tr8 = pq($li)->eq(0)->find("tr")->eq(3+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr8 = str_replace("\r\n","",$tr8);

            $tr8 = trim($tr8);

            $arrAll['host'] = $tr8;

           }

    }

    ##### clonality ####

      for($jj = 0;$jj < 4;$jj ++){

        $tr9 = '';

        $tr9 = pq($li)->eq(0)->find("tr")->eq(4+$jj)->find("td")->eq(0)->html();

           $tr9 = str_replace("\r\n","",$tr9);

           $tr9 = trim($tr9);

           if($tr9 == "Clonality"){

               $tr10 = pq($li)->eq(0)->find("tr")->eq(4+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr10 = str_replace("\r\n","",$tr10);

            $tr10 = trim($tr10);

            $arrAll['clonality'] = $tr10;

           }

    }

    #### isotype ######

     for($jj = 0;$jj < 4;$jj ++){

        $tr11 = '';

        $tr11 = pq($li)->eq(0)->find("tr")->eq(5+$jj)->find("td")->eq(0)->html();

           $tr11 = str_replace("\r\n","",$tr11);

           $tr11 = trim($tr11);

           if($tr11 == "Isotype"){

               $tr12 = pq($li)->eq(0)->find("tr")->eq(5+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr12 = str_replace("\r\n","",$tr12);

            $tr12 = trim($tr12);

            $arrAll['isotype'] = $tr12;

           }

    }

    #### species_reactivity #####

     for($jj = 0;$jj < 6;$jj ++){

        $tr13 = '';

        $tr13 = pq($li)->eq(0)->find("tr")->eq(6+$jj)->find("td")->eq(0)->html();

           $tr13 = str_replace("\r\n","",$tr13);

           $tr13 = trim($tr13);

           if($tr13 == "Species Reactivity"){

               $tr14 = pq($li)->eq(0)->find("tr")->eq(6+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr14 = str_replace("\r\n","",$tr14);

            $tr14 = trim($tr14);

            $arrAll['species_reactivity'] = $tr14;

           }

    }

    ######## conjugation ######

      for($jj = 0;$jj < 6;$jj ++){

        $tr15 = '';

        $tr15 = pq($li)->eq(0)->find("tr")->eq(7+$jj)->find("td")->eq(0)->html();

           $tr15 = str_replace("\r\n","",$tr15);

           $tr15 = trim($tr15);

           if($tr15 == "Conjugation"){

               $tr16 = pq($li)->eq(0)->find("tr")->eq(7+$jj)->find("td")->eq(1)->html();

            // $tr6 = str_replace(" ","",$tr6);

            $tr16 = str_replace("\r\n","",$tr16);

            $tr16 = trim($tr16);

            $arrAll['conjugation'] = $tr16;

           }

    }

    // echo $tr1."  ;  ".$tr2."   ;     ".$tr3."   ;   ".$tr4."  ;   ".$tr5." ;  ".$tr6;

    // echo '<hr/>';

    // echo '<br/>';

 }

    // exit;

}

$arrAll['full_name'] = $tr2;

$arrAll['product_description'] = $tr4;

$arrAll['researchArea'] = "";

// echo '<br/>';

// echo '<hr/>';

foreach($artList as $key =>$li){

    if($key == 2){

      $tr17 = pq($li)->eq(0)->find("tr")->eq(3)->find("td")->eq(0)->html();

      $tr17 = trim($tr17);

      $tr17 = str_replace("\r\n","",$tr17);

      $tr18 = pq($li)->eq(0)->find("tr")->eq(4)->find("td")->eq(0)->html();

      $tr18 = strip_tags($tr18);

       $tr18 = str_replace("More Hide","",$tr18);

       $tr18 = str_replace("\r\n","",$tr18);

       $tr18 = trim($tr18);

      // echo  $tr18;

      // echo '<br/>';

      // echo '<hr/>';

    }

}

// echo '<br/>';

// echo "★★★★☆";

// echo '<br/>';

$arrAll['researchArea'] = $tr18;

$arrAll['url'] = $curr_url;

var_dump($arrAll);

$html = "";

$html .= $arrAll['Application_Information']."\t".$arrAll['catalog_number']."\t".$arrAll['product_name']."\t";

$html .= $arrAll['applications']."\t".$arrAll['position_controls']."\t".$arrAll['full_name']."\t";

$html .= $arrAll['product_description']."\t".$arrAll['synonyms']."\t".$arrAll['host']."\t";

$html .= $arrAll['clonality']."\t".$arrAll['isotype']."\t".$arrAll['species_reactivity']."\t";

$html .= $arrAll['conjugation']."\t".$arrAll['researchArea']."\t".$arrAll['xing_num']."\t";

$html .= $arrAll['reference']."\r\n";

echo $html;

echo '<br/>';

// file_put_contents('info.txt',$html,FILE_APPEND); //用于装载执行失败的数据

$fp = fopen('file.csv', 'a');

fputcsv($fp,$arrAll);

unset($arrAll);

unset($artList);

?>

<script>

function JumpUrl(){

    location.href='?id=<?php echo ($id+1);?>';

}

setTimeout(JumpUrl,0);

</script>

3.对知识点的补充

a.使用phpQuery采集数据，实际上是通过链接地址，找到源码，再将源码转换为jQuery语法。然后通过jQuery语法获得数据

b.对于规则的部分，采集数据较容易。

c.对于不规则的部分，需要进行判断，较为复杂些，不过如果jQuery学的好，这也不是难事。

d.对函数：fputcsv() 的学习总结。如：

$fp = fopen('file.csv', 'a');

fputcsv($fp,$arrAll);

其中，$arrAll是一维数组。fputcsv(),会将函数的值写入到csv文件中，一次写一行，如果数组为空，则不会写入，一旦数组中的元素不为空，就可以写入。

参看：http://php.net/manual/zh/function.fputcsv.php

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phpQuery对数据信息的采集进一步学习

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