function getAllLessonStudentWeb()
{
//不同学期相同课程编号没考虑
require_once ROOT_PATH . "\\Spider\\class\\db\\database.php";
//获取文件名
$my_dir = "resource/class_20132/";
$handler = opendir($my_dir);
$m = 0;
$db = new cDatabase(DEFAULT_DATABASE_INFO_CONSTANTS::$db_info);
while (($filename = readdir($handler)) !== false) {
if ($filename == "." || $filename == "..") {
continue;
}
$m++;
$i = 0;
if ($i == 0) {
//获取课程编号
//$lesson_no = "0100970001";
$lesson_list = explode(".txt", $filename);
$lesson_no = $lesson_list[0];
//获取文件源码
$file = $my_dir . $lesson_no . ".txt";
//从数据库中找出限选人数，计算出页数
$sql = "select limit_person from lesson where lesson_no='%s'";
$sql = sprintf($sql, $lesson_no);
//echo $sql."<br>";
$result = $db->query($sql);
$row = mysql_fetch_array($result);
if ($row['limit_person']) {
$limit = $row['limit_person'];
}
//echo $limit."<br>";
if ($limit) {
$total_page = floor($limit / 27) + 1;
} else {
$total_page = 0;
}
}
$current_page = 1;
for ($current_page = 1; $current_page <= $total_page; $current_page++) {
$post_data = array("__VIEWSTATE" => "", "__EVENTVALIDATION" => "", 'crvDjb$ctl02$ctl06.x' => "14", 'crvDjb$ctl02$ctl06.y' => "11");
//前面两个字段决定了跳转的页面，后面两个字段可随便，但是不可无
$post = $post_data;
if ($current_page == 1) {
$result = file_get_contents($file);
} else {
$result = get_lesson_student_web($post);
}
$dir = "resource/all_info_20132";
if (!is_dir($dir)) {
mkdir($dir);
}
$lesson_file = $dir . "/" . $lesson_no . "_" . $current_page . ".txt";
$fp = fopen($lesson_file, "a");
fwrite($fp, $result);
fclose($fp);
}
if ($m > 5) {
break;
}
}
closedir($handler);
}
function connectdb($dbname, $dbuser, $dbkey, $db_host = FALSE)
{
global $db_use_pconnect;
$db = new cDatabase();
if ($db_host) {
$db->db_host = $db_host;
} else {
$db->db_host = DB_HOST;
}
$db->db_username = $dbuser;
$db->db_password = $dbkey;
$db->default_db = $dbname;
$db->db_type = DB_TYPE;
$db->debug = FALSE;
$db->connect($db->default_db);
return $db;
}
