switch ($result) {
        case "success":
            error("添加成功!", "alertGoTo", $_SERVER['HTTP_REFERER']);
            break;
        case "error":
            error($news->getActionError(), "alertGoTo", $_SERVER['HTTP_REFERER']);
            break;
    }
}
if ($action == "doRm") {
    $id = isset($_POST["id"]) ? intval($_POST["id"]) : "";
    if (empty($id)) {
        jsonError("fail", "id为空");
    }
    $sql = "delete {$mysqlConfig["db_perfix"]}web_news where id = {$id} limit 1";
    sqlExecute($sql, "", "json");
    jsonError("succ");
}
if ($action == "doMod") {
    $news = new news();
    $result = $news->modi();
    switch ($result) {
        case "success":
            error("添加成功!", "alertGoTo", $_SERVER['HTTP_REFERER']);
            break;
        case "error":
            error($news->getActionError(), "alertGoTo", $_SERVER['HTTP_REFERER']);
            break;
    }
}
jsonError("fail", "action is null");