<?php

//获取所有内容url保存到文件

function get_index($save_file, $prefix="index_"){

    $count = 68;

    $i = 1;

    if (file_exists($save_file)) @unlink($save_file);

    $fp = fopen($save_file, "a+") or die("Open ". $save_file ." failed");

    while($i<$count){

        $url = $prefix . $i .".htm";

        echo "Get ". $url ."...";

        $url_str = get_content_url(get_url($url));

        echo " OKn";

        fwrite($fp, $url_str);

        ++$i;

    }

    fclose($fp);

}

//获取目标多媒体对象

function get_object($url_file, $save_file, $split="|--:**:--|"){

    if (!file_exists($url_file)) die($url_file ." not exist");

    $file_arr = file($url_file);

    if (!is_array($file_arr) || empty($file_arr)) die($url_file ." not content");

    $url_arr = array_unique($file_arr);

    if (file_exists($save_file)) @unlink($save_file);

    $fp = fopen($save_file, "a+") or die("Open save file ". $save_file ." failed");

    foreach($url_arr as $url){

        if (empty($url)) continue;

        echo "Get ". $url ."...";

        $html_str = get_url($url);

        echo $html_str;

        echo $url;

        exit;

        $obj_str = get_content_object($html_str);

        echo " OKn";

        fwrite($fp, $obj_str);

    }

    fclose($fp);

}

//遍历目录获取文件内容

function get_dir($save_file, $dir){

    $dp = opendir($dir);

    if (file_exists($save_file)) @unlink($save_file);

    $fp = fopen($save_file, "a+") or die("Open save file ". $save_file ." failed");

    while(($file = readdir($dp)) != false){

        if ($file!="." && $file!=".."){

            echo "Read file ". $file ."...";

            $file_content = file_get_contents($dir . $file);

            $obj_str = get_content_object($file_content);

            echo " OKn";

            fwrite($fp, $obj_str);

        }

    }

    fclose($fp);

}

//获取指定url内容

function get_url($url){

    $reg = '/^http:\/\/[^\/].+$/';

    if (!preg_match($reg, $url)) die($url ." invalid");

    $fp = fopen($url, "r") or die("Open url: ". $url ." failed.");

    while($fc = fread($fp, 8192)){

        $content .= $fc;

    }

    fclose($fp);

    if (empty($content)){

        die("Get url: ". $url ." content failed.");

    }

    return $content;

}

//使用socket获取指定网页

function get_content_by_socket($url, $host){

    $fp = fsockopen($host, 80) or die("Open ". $url ." failed");

    $header = "GET /".$url ." HTTP/1.1rn";

    $header .= "Accept: */*rn";

    $header .= "Accept-Language: zh-cnrn";

    $header .= "Accept-Encoding: gzip, deflatern";

    $header .= "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; InfoPath.1; .NET CLR 2.0.50727)rn";

    $header .= "Host: ". $host ."rn";

    $header .= "Connection: Keep-Alivern";

    //$header .= "Cookie: cnzz02=2; rtime=1; ltime=1148456424859; cnzz_eid=56601755-rnrn";

    $header .= "Connection: Closernrn";

    fwrite($fp, $header);

    while (!feof($fp)) {

        $contents .= fgets($fp, 8192);

    }

    fclose($fp);

    return $contents;

}

//获取指定内容里的url

function get_content_url($host_url, $file_contents){

    //$reg = '/^(#|javascript.*?|ftp://.+|http://.+|.*?href.*?|play.*?|index.*?|.*?asp)+$/i';

    //$reg = '/^(down.*?.html|d+_d+.htm.*?)$/i';

    $rex = "/([hH][rR][eE][Ff])s*=s*['"]*([^>'"s]+)["'>]*s*/i";

    $reg = '/^(down.*?.html)$/i';

    preg_match_all ($rex, $file_contents, $r);

    $result = ""; //array();

    foreach($r as $c){

        if (is_array($c)){

            foreach($c as $d){

                if (preg_match($reg, $d)){ $result .= $host_url . $d."n"; }

            }

        }

    }

    return $result;

}

//获取指定内容中的多媒体文件

function get_content_object($str, $split="|--:**:--|"){

    $regx = "/hrefs*=s*['"]*([^>'"s]+)["'>]*s*(<b>.*?</b>)/i";

    preg_match_all($regx, $str, $result);

    if (count($result) == 3){

        $result[2] = str_replace("<b>多媒体： ", "", $result[2]);

        $result[2] = str_replace("</b>", "", $result[2]);

        $result = $result[1][0] . $split .$result[2][0] . "n";

    }

    return $result;

}

?>