最近用火车头，ET采集小说，按他们的规则经常配不出来。碰到像小说520 里面的用iframe 的直接挂掉，只有自己写了一个，刚开始觉得就两正则解决［列表,内容］的事，写着写着便复杂起来了。
好好的改了几版，碰到最大的麻烦，，如何封装代码，就是采不同站时改动成本较小。这里小小的用了一个决策者模式。然后把该封装的功能一封。以及再次采集时，对已采集的章节的跳过机制,避免重采［毕竟一个小说站好几w篇文章，中断一次，接不上去，是很郁闷的事］
- PHP code
class grep extends Controller {
var $tableName = 'grep';
var $pagesize =31;
var $order_string = "grep_order desc,grep_id desc";
var $filter_field = "grep_title";
var $check_repeat_field = "grep_title";
var $buttons = array(
);
var $description = "[爬取小说]";
function index()
{
//get the story list
$story_model = "story_model";
$this->load->model($story_model);
$where = array("story_id < 445");
$rows_story = $this->$story_model->get($where);
foreach ($rows_story as $key=>$val_story):
if($key < 237) continue;
$url = "http://www.xiaoxiaoshuo.net/".$val_story->storycate_vtitle."/".$val_story->story_vtitle;
$src_content = file_get_contents($url);
$src_content = iconv("GBK","utf-8//IGNORE",$src_content);
$src_content = str_replace("/style=\"border-width:0px\s*1px\s*1px\s*0px;border-color:#C8D8B8;border-style:solid;padding:3px;float:left;width:313px;\"/i","",$src_content);
$src_content = str_replace("style=\"BORDER-RIGHT: #c8d8b8 1px solid; PADDING-RIGHT: 3px; BORDER-TOP: #c8d8b8 0px solid; PADDING-LEFT: 3px; FLOAT: left; PADDING-BOTTOM: 3px; BORDER-LEFT: #c8d8b8 0px solid; WIDTH: 313px; PADDING-TOP: 3px; BORDER-BOTTOM: #c8d8b8 1px solid\"","",$src_content);
$src_content = preg_replace("/title=\"[^\"]*\"/iU","",$src_content);
$src_content = preg_replace("/title=\"[^\"]*\"/iU","",$src_content);
$src_content = preg_replace("/<LI[^>]*>/iU","",$src_content);
$src_content = preg_replace("/<\/LI[^>]*>/iU","",$src_content);
$src_content = preg_replace("/<a(?!href)[\d\D]*href/iU","<a href",$src_content);
$src_content = preg_replace('/\s(?=\s)/', '', $src_content);
$src_content = preg_replace('/[\n\r\t]/', ' ', $src_content);
$src_content = preg_replace('/[\n\r\t]/', ' ', $src_content);
$src_content = str_replace("http://www.xiaoxiaoshuo.net/yanqingxiaoshuo2/tijiaxinniang/","",$src_content);
preg_match_all("/<td\s*bgcolor=\"#EDF5EA\"([\d\D]*)<\/ul>/iU",$src_content,$arr_dstorycate);
$dstorycate_arr = $arr_dstorycate[1];
foreach ($dstorycate_arr as $key_dstorycate => $val_dstory_cate)
{
preg_match_all("/<font\s*color=\"#000000\">([^<]*)<\/font>/i",$val_dstory_cate,$dcate_title);
$datacate["dstorycate_pid"] = $val_story->story_id;
$datacate["dstorycate_title"] = $dcate_title[1][0];
//获取类别对象，记将之前的类别标置为已下载
$dtitle =$datacate["dstorycate_title"];
$obj_storycate = $this->check_dcate($dtitle,$val_story );
//pr($obj_storycate);
if($obj_storycate->dstorycate_ishot == 1)
{
$this->log( "<font color = gray>已此章节已抓取完 $val_story->story_title - $dtitle </font>,跳过");
continue;
}
preg_match_all("/<a\s*href=\"([^\"]*)\"[^>]*>(?!<\/a>)([\d\D]*)<\/a>/iU",$val_dstory_cate,$dinfo_list);
$list_story_url = $dinfo_list[1];
$list_story_title = $dinfo_list[2];
$story_url = "http://www.xiaoxiaoshuo.net/".$val_story->storycate_vtitle."/".$val_story->story_vtitle;
$this->add_storyxxs_info($obj_storycate,$list_story_url,$list_story_title,$story_url);
}
endforeach;
}
function status()
{
$sql = "select count(dstory_id) as all_story from dstory;";
$query = $this->db->query($sql);
$cont_all = $query->row();
echo $cont_all->all_story;
$sql = "select count(dstory_id) as story1 from dstory where dstory_status = 1";
$query = $this->db->query($sql);
$cont_all = $query->row();
echo "--".$cont_all->story1;
$sql = "select max(dstorycate_id) as max_id,max(dstorycate_pid) as max_pid from dstorycate";
$query = $this->db->query($sql);
$cont_all = $query->row();
echo "--".$cont_all->max_id."--".$cont_all->max_pid;
}
/**
* *下载445后的章节
*
*/
function index445()
{
$story_model = "story_model";
$this->load->model($story_model);
$where = array("story_id > 445");
$rows_story = $this->$story_model->get($where);
foreach ($rows_story as $key=>$val_story):
//get the story_content
$story_url_arr = explode("/",$val_story->story_url);
$story_url= $story_url_arr[1]."/".$story_url_arr[2]."/".$story_url_arr[3]."/".$story_url_arr[4];
$dest_url = "http://www.xiaoshuo520.com/".$story_url;
$src_content = CS_file_get_contents($dest_url);
$src_content = iconv("GBK","utf-8//IGNORE",$src_content);
//按类别进行分类分组数据.
preg_match_all("/(<div\s*id=\"NclassTitle\">[\d\D]*)<div\s*id=\"ListEnd/iU",$src_content,$arr_dstorycate);
$dstorycate_arr = $arr_dstorycate[1];
foreach ($dstorycate_arr as $key_dstorycate => $val_dstory_cate)
{
preg_match_all("/<div\s*id=\"NclassTitle\">([\d\D]*)<\/div>/i",$val_dstory_cate,$dcate_title);
$datacate["dstorycate_pid"] = $val_story->story_id;
$datacate["dstorycate_title"] = $dcate_title[1][0];
//获取类别对象，记将之前的类别标置为已下载
$dtitle =$datacate["dstorycate_title"];
$obj_storycate = $this->check_dcate($dtitle,$val_story );
//pr($obj_storycate);
if($obj_storycate->dstorycate_ishot == 1)
{
$this->log( "<font color = gray>已此章节已抓取完 $val_story->story_title - $dtitle </font>,跳过");
continue;
}
preg_match_all("/<a\s*href=\"([^\"]*)\"[^>]*>(?!<\/a>)([\d\D]*)<\/a>/iU",$val_dstory_cate,$dinfo_list);
$list_story_url = $dinfo_list[1];
$list_story_title = $dinfo_list[2];
$this->add_story520_info($obj_storycate,$list_story_url,$list_story_title,$story_url);
}
endforeach;
}
/**
* 根据章节标准 和小说对象，获取标题对象
* */
function check_dcate($title,$obj_story)
{
$dstorycate_model = "dstorycate_model";
$this->load->model($dstorycate_model);
$where = array("dstorycate_pid = $obj_story->story_id","dstorycate_title = '$title'");
$rows = $this->$dstorycate_model->get($where);
if(!$rows)
{
$datacate["dstorycate_pid"] = $obj_story->story_id;
$datacate["dstorycate_title"] = $title;
$this->$dstorycate_model->insert($datacate);
$obj_cate_id = $this->db->insert_id();
$where = array("dstorycate_id = $obj_cate_id","dstorycate_title = '$title'");
$rows = $this->$dstorycate_model->get($where);
$this->log( "此书没有相关类别,将进行添加 小说$obj_story->story_title - $title ");
}else {
$this->log( "已存在相关小说类别 $obj_story->story_title - $title ,跳过");
}
$obj_cate = $rows[0];
$sql = "update dstorycate set dstorycate_published = 1 where dstorycate_pid = $obj_story->story_id && dstorycate_id < $obj_cate->dstorycate_id ";
$this->db->query($sql);
return $obj_cate;
}
/***
*添加小说对旬
*/
function add_story520_info($cate_obj,$list_story_url,$list_story_title,$url)
{
$dstory_model = "dstory_model";
$this->load->model($dstory_model);
$min_key = intval($cate_obj->dstorycate_pvcount);
if(!$min_key) $min_key = 0 ;
foreach($list_story_url as $key=>$val):
if($key < $min_key) {
continue;
}
$this->check_dstory($cate_obj,"http://www.xiaoshuo520.com/".$url."/".$val,$list_story_title[$key],"grep_520_info");
endforeach;
}
function add_storyxxs_info($cate_obj,$list_story_url,$list_story_title,$url)
{
$dstory_model = "dstory_model";
$this->load->model($dstory_model);
$min_key = intval($cate_obj->dstorycate_pvcount);
if(!$min_key) $min_key = 0 ;
foreach($list_story_url as $key=>$val):
if($key < $min_key) {
$this->log("$cate_obj->dstorycate_id 号 $cate_obj->dstorycate_title ".$list_story_title[$key]." 章 $key < $min_key "); continue;
}
$this->check_dstory($cate_obj,$url."/".$val,$list_story_title[$key],"grep_xxs_info");
endforeach;
}