jrhmpt01:/root/lwp/0526# cat 0526.txt <div class="TXD_sy_title"><span class="TXD_sy_text_1">天下金专区</span> <span class="TXD_sy_text_2">投资期限自选 可进行债权转让 100元起投 每月还息,到期还本</span><span class="TXD_sy_text_3" style="float: right"><a href="/AnJuJinIntroduce.html" target="_blank">产品介绍 ></a> <a href="/AnJuJinIndex.html" target="_blank" class="grey">更多项目 ></a></span></div> <div class="anjlist" id="txjDiv"> <ul class="altitle TXD_top_title"> <li class="alcw1 TXD_top_title1">项目名称</li> <li class="alcw2">投资金额</li> <li class="alcw3">剩余投资期限</li> <li class="alcw4">预期年化收益</li> <li class="alcw4">进度</li> <li class="alcw5">起投金额</li> <li class="alcw6">操作</li> </ul> <ul class="alcomment" style="overflow: visible;"> <li class="alcw1"><a target="_blank" href="/invest/fd6b88342c69470fb8ae9365589f78aa.html">天下金 201605253763</a></li> <li class="alcw2">1,000,000.00元</li> <li class="alcw3">27 天</li> <li class="alcw4">5.5% </li> <li class="alcw4 alcw41"> <div class="ajjbfb txdbfb bfb100">100<span>%</span></div> </li> <li class="alcw5">100.00元</li> <li class="alcw6"> <div class="txdbtns4 mt27 ml40"><a href="/invest/fd6b88342c69470fb8ae9365589f78aa.html" target="_blank" class="txdpng">查看</a></div> </li> </ul> jrhmpt01:/root/lwp/0526# cat a2.pl use LWP::UserAgent; use DBI; use POSIX; use Data::Dumper; use HTML::TreeBuilder; my $ua = LWP::UserAgent->new; $ua->timeout(10); $ua->env_proxy; $ua->agent("Mozilla/8.0"); use HTML::TreeBuilder::XPath; $tree= HTML::TreeBuilder::XPath->new; $tree->parse_file( "0526.txt"); my @pages=$tree->find_by_tag_name('li'); #先循环取出所有的li标签的 类选择器 foreach (@pages) { @titlepage = $_->attr('class'); foreach (@titlepage) { if ($_){ print "$_ is $_ "; unless ($_ ~~ @urlall) { push (@urlall ,$_);}; }; }; }; print @urlall ; print " "; ##循环类选择器 查找li标签的@class="$var"的值,class代表类选择器: .开头 foreach my $var (@urlall){ #my $url=qq(/html/body//li[@class='$var']); my $url="/html/body//li[@class=xxx]"; $url =~ s/xxx/"$var"/g; print "$url is $url "; @total= $tree->findvalues("$url"); print @total; print " "; #my @title= $tree->findvalues('/html/body//li[@class="alcw4 alcw41"]'); }; jrhmpt01:/root/lwp/0526# perl a2.pl $_ is alcw1 TXD_top_title1 $_ is alcw2 $_ is alcw3 $_ is alcw4 $_ is alcw4 $_ is alcw5 $_ is alcw6 $_ is alcw1 $_ is alcw2 $_ is alcw3 $_ is alcw4 $_ is alcw4 alcw41 $_ is alcw5 $_ is alcw6 alcw1 TXD_top_title1alcw2alcw3alcw4alcw5alcw6alcw1alcw4 alcw41 $url is /html/body//li[@class="alcw1 TXD_top_title1"] 项目名称 $url is /html/body//li[@class="alcw2"] 投资金额1,000,000.00元 $url is /html/body//li[@class="alcw3"] 剩余投资期限27 天 $url is /html/body//li[@class="alcw4"] 预期年化收益进度5.5% $url is /html/body//li[@class="alcw5"] 起投金额100.00元 $url is /html/body//li[@class="alcw6"] 操作查看 $url is /html/body//li[@class="alcw1"] 天下金 201605253763 $url is /html/body//li[@class="alcw4 alcw41"] 100%