我也尝试使用许多在线转换器将下面的 json 转换为 dart 类。但是当我实现该代码时，该代码不起作用并给我一些错误。
\n格式：
\n{\n "sections": [\n {\n "id": "863",\n "title": "\xd8\xa7\xd9\x84\xd9\x81\xd8\xb5\xd9\x84 \xd8\xa7\xd9\x84\xd8\xa7\xd9\x88\xd9\x84 (1)",\n "course_id": 110011,\n "description": "",\n "order": "2",\n "percent": 16.666666666666664,\n "items": [\n {\n "id": 110167,\n "type": "lp_quiz",\n "title": "\xd8\xa7\xd9\x84\xd8\xa5\xd8\xae\xd8\xaa\xd8\xa8\xd8\xa7\xd8\xb1",\n "preview": false,\n "duration": "01 hours",\n "graduation": "failed",\n "status": "completed",\n "locked": false\n }\n ]\n }\n ]\n}\n