如何使用 JSON 生成固定数量的项目列表

{ "code": 200, "msg": "success", "data|9": [ { "code": 200, "msg": "success", "data": [ { "item": "item1" }, { "item": "item2" }, { "item": "item3" }, { "item": "item4" }, { "item": "item5" }, { "item": "item6" }, { "item": "item7" }, { "item": "item8" }, { "item": "item9" }, { "item": "item10" }, { "item": "item11" }, { "item": "item12" }, { "item": "item13" }, { "item": "item14" }, { "item": "item15" }, { "item": "item16" }, { "item": "item17" }, { "item": "item18" }, { "item": "item19" }, { "item": "item20" } ] } ]