php json_encode，把unicode转换为可以阅读的字符串
echo json_encode(['status' => 'success', 'pwd' => $result['password']],JSON_UNESCAPED_UNICODE);
关机就是后面的JSON_UNESCAPED_UNICODE
echo json_encode(['status' => 'success', 'pwd' => $result['password']],JSON_UNESCAPED_UNICODE);
关机就是后面的JSON_UNESCAPED_UNICODE