function add_article() { $ret = ['code' => 0, 'msg' => 'OK', 'data' => []]; //第一步:插入数据库 $val = Article::create_article(); if (!is_numeric($val)) { $ret = ['code' => 999, 'msg' => $val, 'data' => []]; } else { $ret = ['code' => 0, 'msg' => 'OK', 'data' => [$val]]; } echo json_encode($ret); }