/**
* 查询某一班级的人数
* @param string $college_code 学院代码
* @param string $class_code 班级代码
* @return number 班级的人数
*/
function classMember($college_code, $class_code, array &$not_exit_student_arr = null)
{
$url = "http://dean.swjtu.edu.cn/public/QueryStudentInfo.jsp";
$post_field = "query_action=query&query_type=class_code_all&check_type=name&student_id=&college_code={$college_code}&class_code={$class_code}";
$curl = new CurlUtil();
$html = $curl->post($url, $post_field);
//返回的是一个html,需要正则匹配
// echo $html;
$pattern = '/<td height="28" align="center" bgcolor="#FFFFFF">(.*?)<\\/td>/si';
preg_match_all($pattern, $html, $matches);
if (empty($matches)) {
return 0;
}
//处理无学籍情况
$matchescount = count($matches[1]);
$not_exit_student_arr = array();
$count = 0;
for ($i = 0; $i < $matchescount; $i++) {
$row = $matches[1][$i];
if (stripos($row, "无学籍") !== false) {
//无学籍
$student = new Student($matches[1][$i - 6], $matches[1][$i - 5], $matches[1][$i - 3], $matches[1][$i - 2], $matches[1][$i - 1], false);
$not_exit_student_arr[$count] = $student;
$count = $count + 1;
}
}
return count($matches[0]) / 7;
}
