perl post函数获取网页内容及解析数据的例子

#!/usr/bin/perl -w

# 程序代码只是简单说明获取解析网页内容及匹配模式使用的例子，逻辑并不是很严密
use utf8;
binmode(STDIN, ‘:encoding(utf8)‘);
binmode(STDOUT, ‘:encoding(utf8)‘);
binmode(STDERR, ‘:encoding(utf8)‘);

use LWP::UserAgent;
use Encode;

sub get_data{
    if(@_ != 1)
    {
        print "error, need an argument\n";
        return -1;
    }
    my $user_agent = LWP::UserAgent->new;
    my $des = "http://tool.chinaz.com/Same/";
    my $url_ip = $_[0];
    my $response  = $user_agent->post($des, [ ‘s‘ => $url_ip]);
    if ( $response->is_success ) {
        my $doc = decode("utf8", $response->content);
        while($doc =~ m!<div id="contenthtml">\r\n([^\r\n]*)</div>!sg) {
            my $tmp = $1;
            $tmp =~ s!<ul>(.*)</ul>!$1!g;
            $tmp = $1;
            while($tmp =~ s!<li><span>[^<>]*</span>\s<a\s([^<>]*)>[^<>]*</a></li>!$1!){
                 my $str = $1;
                 $str =~ s!‘([^‘]*)‘!$1 !g;
     print "$str\n";
            }
        }
    }
}

&get_data("61.135.169.125");

exit;

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