How to write PHP backend interface

How to implement the php backend interface

1. First, set up an entry file

The entry file will be imported into the fixed api file (as shown below):

";print_r($_SESSION);exit;
}
require_once($_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/prolog_before.php");   //无需模板页面
$APPLICATION->IncludeComponent("vdg:mobile.data", "", Array());
exit;
?>

2. Secondly, obtain the parameters in component.php of the imported component and determine the use of the template

RestartBuffer();
    $action = $_REQUEST["mobile_action"];
    //CRestUtil::sendHeaders();  //跨域header
    $actionList = new Bitrix\Mobile\Action();
    $actionList->executeAction($action, $arParams);

    CMain::FinalActions();
    die();
}
elseif ($_REQUEST["captcha_sid"])//getting captcha image  通过 /vdg/app_api.php?captcha_sid=1 可以得到图形验证码。
{
    $APPLICATION->RestartBuffer();
    $actionList = new Bitrix\Mobile\Action();
    $actionList->executeAction("get_captcha", $arParams);
    die();
}
elseif ($_REQUEST["manifest_id"])//getting content of appcache manifest
{
    include($_SERVER["DOCUMENT_ROOT"] .\Bitrix\Main\Data\AppCacheManifest::MANIFEST_CHECK_FILE);
    die();
}
elseif(!$USER->IsAuthorized() || !$isSessidValid)
{
    $APPLICATION->RestartBuffer();
    header("HTTP/1.0 401 Not Authorized");
    if(Bitrix\MobileApp\Mobile::getInstance()->getInstance() != "android")
    {
        //header("Content-Type: application/x-javascript");
        header("Content-Type: application/json");
        header("BX-Authorize: ".bitrix_sessid());
    }

    jsonError('201', '请先登陆');   
    //echo json_encode(Array("status" => "failed", "bitrix_sessid"=>bitrix_sessid()));
    die();
}
?>

3. Use the class method in the specific template to obtain the corresponding data according to the parameters and return the client result

If the result returns "jsonSuccess(questions);" If it fails, it returns "jsonError(′201′,questions);"

If it fails, return "jsonError('201′,questRes["ERROR"]);" or other error message.

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