编辑代码

let services = {
  "appointment_delivery": {
    "order_service_id": 714,
    "appointment_date": "2023-05-25",
    "service_name": "预约派送",
    "service_unit_price": "10.00",
    "pick_up_service_price_id": 8
  },
  "packaging_box": [
    {
      "order_service_id": 715,
      "packaging_box_id": 1,
      "qty": 2,
      "service_name": "包装材料",
      "service_unit_price": "5.00",
      "packaging_box_name": "海龙专利纸箱 大箱"
    },
    {
      "order_service_id": 716,
      "packaging_box_id": 2,
      "qty": 2,
      "service_name": "包装材料",
      "service_unit_price": "4.00",
      "packaging_box_name": "海龙专利纸箱 中箱"
    }
  ],
  "custom_services": [
    {
      "order_service_id": 717,
      "service_id": 1,
      "service_detail_id": 1,
      "service_price_id": 1,
      "charge_qty": 2,
      "service_name": "额外包材",
      "service_unit_price": "1.00",
      "service_detail_name": "特强封口胶带"
    },
    {
      "order_service_id": 718,
      "service_id": 2,
      "service_detail_id": 2,
      "service_price_id": 2,
      "charge_qty": 1,
      "service_name": "加固方式",
      "service_unit_price": "0.00",
      "service_detail_name": "B1-绑带加固(￡2/箱)"
    },
    {
      "order_service_id": 719,
      "service_id": 3,
      "service_detail_id": 6,
      "service_price_id": 6,
      "charge_qty": 1,
      "service_name": "上门搬箱服务",
      "service_unit_price": "10.00",
      "service_detail_name": "C2-无电梯(￡5/箱)"
    },
    {
      "order_service_id": 720,
      "service_id": 11,
      "service_detail_id": 25,
      "service_price_id": 24,
      "charge_qty": 1,
      "service_name": "定制乐器包装",
      "service_unit_price": "18.00",
      "service_detail_name": "定制纸箱包装"
    }
  ]
}
for (let key in services) {
 console.log(services[key]) // foo, bar
}