/**
* Login, and get the cookie jar.
*
* @param void
* @return $this or $jar
*/
public function login()
{
//Get the hidden value from login page.
$response = $this->client->get($this->login_uri);
$viewstate = $this->parserHiddenValue($response->getBody());
//The default login post param
$loginParam = ['viewstate' => '__VIEWSTATE', 'stu_id' => 'TextBox1', 'passwod' => 'TextBox2', 'role' => 'RadioButtonList1', 'button' => 'Button1'];
if (!empty($this->loginParam)) {
$loginParam = $this->loginParam;
}
$form_params = [$loginParam['viewstate'] => $viewstate, $loginParam['stu_id'] => $this->stu_id, $loginParam['passwod'] => $this->password, $loginParam['role'] => iconv('utf-8', 'gb2312', '学生'), $loginParam['button'] => iconv('utf-8', 'gb2312', '登录')];
$query = ['form_params' => $form_params];
//If set to cache cookie
if ($this->cacheCookie) {
$jar = new \GuzzleHttp\Cookie\CookieJar();
$query['cookies'] = $jar;
}
//Post to login
$result = $this->client->request('POST', $this->login_uri, $query);
//Is logining successful?
$response = $this->client->get($this->main_page_uri, ['allow_redirects' => false, 'query' => ['xh' => $this->stu_id]]);
switch ($response->getStatusCode()) {
case 200:
return $this->cacheCookie ? $jar : $this;
break;
case 302:
Log::info('The password is wrong!', $query);
throw new \Exception('The password is wrong!', 1);
break;
default:
Log::error('Maybe the data source is broken!', $response);
throw new \Exception('Maybe the data source is broken!', 1);
break;
}
}
