/**
* @descrpition 验证码
*/
public function captcha()
{
$width = 130;
$height = 30;
$total = 6;
$font = 5;
$str = '0123456789qazwsxedcrfvtgbyhnujmkpAZWSXEDCRFVTGBHNUJMKP';
$im = imagecreatetruecolor($width, $height);
//背景
$white = imagecolorallocate($im, 255, 255, 255);
imagefill($im, 0, 0, $white);
//边框
$brodeColor = imagecolorallocate($im, 95, 158, 160);
imagerectangle($im, 0, 0, $width - 1, $height - 1, $brodeColor);
//字体
$text = '';
$fontColor = array();
$fontColor[] = imagecolorallocate($im, 199, 21, 133);
//mediumvioletred（适中的紫罗兰红）
$fontColor[] = imagecolorallocate($im, 128, 0, 128);
//RGB(128,0,128)purple（紫）
$fontColor[] = imagecolorallocate($im, 75, 0, 130);
//RGB(75,0,130)indigo（靓青）
$fontColor[] = imagecolorallocate($im, 65, 105, 225);
//RGB(65,105,225)royalblue（皇家蓝）
$fontColor[] = imagecolorallocate($im, 220, 20, 60);
//RGB(220,20,60) crimson（腥红）
for ($i = 0; $i < $total; $i++) {
$w = 10 + $i * 20;
$h = rand(5, 15);
$latter = substr($str, rand(0, strlen($str)), 1);
$text .= $latter;
imagestring($im, $font, $w, $h, $latter, $fontColor[array_rand($fontColor)]);
}
//干扰点
$red = imagecolorallocate($im, 255, 0, 0);
$blue = imagecolorallocate($im, 0, 0, 255);
$black = imagecolorallocate($im, 0, 0, 0);
for ($i = 0; $i < 50; $i++) {
imagesetpixel($im, rand(0, $width), rand(0, $height), $blue);
imagesetpixel($im, rand(0, $width), rand(0, $height), $black);
imagesetpixel($im, rand(0, $width), rand(0, $height), $red);
}
//干扰线
$green = imagecolorallocate($im, 0, 255, 0);
$randColor = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imageline($im, 0, 0, 130, 30, $green);
imageline($im, 0, 10, rand(20, 130), 30, $randColor);
Response::setSession('captcha', strtolower($text));
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
}
/**
* @descrpition 获取微信ACCESS_TOKEN
* @return Ambigous|bool
*/
public static function getAccessToken()
{
$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . WECHAT_APPID . '&secret=' . WECHAT_APPSECRET;
$accessToken = CurlBusiness::callWebServer($url, '', 'GET');
if (!isset($accessToken['access_token'])) {
return MsgCommon::returnErrMsg(MsgConstant::ERROR_GET_ACCESS_TOKEN, '获取ACCESS_TOKEN失败');
}
$accessToken['time'] = time();
//存入SESSION
Response::setSession('wechat_access_token', $accessToken);
return $accessToken;
}
/**
* @descrpition 后台登录 ...
*/
public function login()
{
$loginInfo = Request::getSession($this->sessionId);
if (!empty($loginInfo) && !empty($loginInfo['username']) && !empty($loginInfo['id'])) {
View::showAdminMessage('/admin.php/index/main', '已经登录!');
}
//表单提交处理
if (Request::getRequest('dosubmit', 'str')) {
$username = Request::getRequest('username', 'str');
$password = Request::getRequest('password', 'str');
$password = md5($username . PASSWORD_INTERFERE . $password);
$result = $this->adminUserObj->getByUsername($username);
if (isset($result) && $result['password'] == $password) {
$session = array();
$session['id'] = $result['id'];
$session['username'] = $result['username'];
Response::setSession($this->sessionId, $session);
View::jsJump('/admin.php/index/main');
} else {
View::showAdminErrorMessage('/admin.php/admin/login', '登录后台失败!');
}
}
View::showAdminTpl('login');
}
