public function index()
{
import("Util.Checkcode", LIB_PATH);
$checkcode = new Checkcode();
if (isset($_GET['code_len']) && intval($_GET['code_len'])) {
$checkcode->code_len = intval($_GET['code_len']);
}
if ($checkcode->code_len > 8 || $checkcode->code_len < 2) {
$checkcode->code_len = 4;
}
//设置验证码字符库
if (isset($_GET['charset'])) {
$checkcode->charset = trim($_GET['charset']);
}
//强制验证码不得小于4位
if ($checkcode->code_len < 4) {
$checkcode->code_len = 4;
}
if (isset($_GET['font_size']) && intval($_GET['font_size'])) {
$checkcode->font_size = intval($_GET['font_size']);
}
if (isset($_GET['width']) && intval($_GET['width'])) {
$checkcode->width = intval($_GET['width']);
}
if ($checkcode->width <= 0) {
$checkcode->width = 130;
}
if (isset($_GET['height']) && intval($_GET['height'])) {
$checkcode->height = intval($_GET['height']);
}
if ($checkcode->height <= 0) {
$checkcode->height = 50;
}
if (isset($_GET['font_color']) && trim(urldecode($_GET['font_color'])) && preg_match('/(^#[a-z0-9]{6}$)/im', trim(urldecode($_GET['font_color'])))) {
$checkcode->font_color = trim(urldecode($_GET['font_color']));
}
if (isset($_GET['background']) && trim(urldecode($_GET['background'])) && preg_match('/(^#[a-z0-9]{6}$)/im', trim(urldecode($_GET['background'])))) {
$checkcode->background = trim(urldecode($_GET['background']));
}
$checkcode->doimage();
//验证码类型
$type = I("get.type");
$type = $type ? strtolower($type) : "verify";
$verify = session("_verify_");
if (empty($verify)) {
$verify = array();
}
$verify[$type] = $checkcode->get_code();
session("_verify_", $verify);
}
<?php /** * Created by PhpStorm. * User: хоП * Date: 2016/1/29 * Time: 11:36 */ session_start(); require_once $_SERVER['DOCUMENT_ROOT'] . '/lavender/model/CheckCode.class.php'; $checkCode = new Checkcode(); $checkCode->getCodeImg(); $code = $checkCode->getCheckCode(); $_SESSION['login_checkcode'] = $code;
/**
* 验证输入，看它是否生成的代码相匹配。
* @param type $type
* @param type $input
* @return type
*/
public function validate($type, $input)
{
$checkcode = new \Checkcode();
$checkcode->type = $type;
return $checkcode->validate($input, false);
}
