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; }