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我是一個Perl的初學者,我熱愛的網絡使用Perl刮。花了幾個小時後,我寫了下面從yell.com
刮的公司名稱,地址和電話號碼的代碼。該腳本工作正常,我成功收集了一條記錄(從第1頁1/15)。Perl的網頁抓取
我需要你關於我怎樣才能湊所有十家公司在第一頁中一氣呵成的寶貴建議,讓我可以移動到其他頁的數據。
use strict;
use Data::Dumper;
use LWP::Simple; # from CPAN
use JSON qw(decode_json); # from CPAN
use WWW::Mechanize;
my $mech = WWW::Mechanize->new();
my $header = "company_name|Address|Telphone";
open (CH, ">output.csv");
print CH "$header\n";
my $url = "http://www.yell.com/ucs/UcsSearchAction.do?keywords=Engineering+consulatants&location=United+Kingdom&scrambleSeed=13724563&searchType=&M=&bandedclarifyResults=&ssm=1";
$mech->get($url);
my $con = $mech->content();
my $res = "";
############ for company name ##########
if ($con =~ /<a data-omniture="LIST:COMPANYNAME" href="\/biz\/ross-davy-associates-grimsby-901271213\/" itemprop="name">(.*?)<\/a>/is) {
$res = $1;
}
else {
$res = "Not_Match";
}
############### for address #########
my ($add1, $add2, $add3, $add4, $add) = ("", "", "", "", "");
if ($con =~ /<span itemprop="streetAddress">(.*?)<\/span> <span itemprop="addressLocality">(.*?)<\/span> , <span itemprop="postalCode">(.*?)<\/span> , <span itemprop="addressRegion">(.*?)<\/span>/is) {
$add1 = $1;
$add2 = $2;
$add3 = $3;
$add4 = $4;
$add = $1.$2.$3.$$;
}
else {
$add = "Not_Match";
}
########### telephone ##########
my $tel="";
if ($con =~ /<li data-company-item="telephone" class="last"> Tel: <strong>(.*?)<\/strong> <\/li>/is) {
$tel = $1;
}
else {
$tel = "Not_Match";
}
print "==$res===$add===$tel==\n";
print CH "$res|$add|$tel\n";
如果我粘貼頁面的源代碼,並問你同樣的問題,將被罰款。我只是要求學習的目的,如何能夠獲得所有數據。它可以正常工作於第一名。 – user1586957
將嘗試'HTML :: TreeBuilder作爲:: XPath'。但是關於它的教程卻很少。 – user1586957