// 获取access_token
public function _get_access_token() {
$key = C('DB_NAME') . "_access_token_".C('APP_ID');
$red = Red::create();
if ($red->get($key)) {
return $red->get($key);
}
$request_url = "https://api.weixin.qq.com/cgi-bin/token?";
$request_url .= "grant_type=client_credential&appid=".C('APP_ID')."&secret=".C('APP_SECRET');
$data = json_decode(Http::doGet($request_url,30),true);
if ($data['access_token']){
$red->set($key,$data['access_token'],(int)$data['expires_in']);
return $data['access_token'];
}
return '';
}
/**
* 检测输入文字内容,是否合法~
*
*/
public function check_input($checkContent){
$access_token = $this->_get_access_token();
if(!$access_token){
$this->json->err('获取access_token失败');
}
//$checkContent = '今日犹存免费成人网站，题壁有诗皆抱恨';
$url = 'https://api.weixin.qq.com/wxa/msg_sec_check?access_token='. $access_token;
$data = json_encode(array('content' => $checkContent),JSON_UNESCAPED_UNICODE);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_URL,$url); // url
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data); // json数据
$res = curl_exec($ch); // 返回值
curl_close($ch);
$result = json_decode($res,true);
if($result['errcode'] !== 0){
$this->json->err('内容非法-' . $result['errmsg']);
}
}