JSON剥空心菜（用JS遍历JSON所有节点，在控制台打印用户友好的JSON结构树）_Baytars的博客

项目需要，要遍历以下JSON数据，以可读性好的方式展示给用户。

var request = {
    "sheet": {
        "一般体格检查及生命体征": [
            {
                "清点器械": true,
                "自我介绍": true,
                "观察一般状态": {},
                "洗手消毒": true
            },
            {
                "测体温": {
                    "status": true,
                    "duration": {
                        "value": 10,
                        "unit": "min"
                    }
                },
                "测血压": true,
                
                // 至少30秒，注意两侧对比
                "测脉搏": true,

                "呼吸": true
            }
        ],
        "头颈部": [
            {
                "观察头部": {
                    "头部外形": "正常",
                    "毛发分布": "正常",
                    "异常运动": {}
                },
                "触诊头颅": {}
            },
            {
                "视诊": {
                    "双眼": {},
                    "眉毛": {}
                },
                "检查": {
                    "下睑结膜": {},
                    "球结膜": {},
                    "巩膜": {}
                },
                "翻转上睑": {
                    "检查": {
                        "上睑结膜": {},
                        "球结膜": {},
                        "巩膜": {}
                    }
                },

                // 6 个方向
                "眼球运动": ["左","左上","左下","右","右上","右下"],
                "眼球震颤": false,
                "对光反射": ["直接","间接"],
                "集合反射": true
            },
            {
                "视诊": ["外耳","外耳道"],
                "触诊": ["耳廓","乳突"]
            },
            {
                "视诊": ["外鼻","鼻前庭","鼻中隔"],
                "触诊": ["外鼻"],
                "压痛": ["上颌窦","额窦","筛窦"]
            },
            {
                "视诊": ["口","唇","牙齿","上颚","舌质","舌苔"],
                "借助压舌板观察": ["颊粘膜","牙齿","牙龈","口底"],
                "口咽部": true,
                "扁桃体": true
            },
            {
                "视诊": {
                    "颈部": ["外形","皮肤","颈静脉充盈","颈动脉搏动"]
                },
                "颈部活动": true,
                "触诊": {
                    "颈部淋巴结": ["耳前","耳后","枕后","颌下","颏下","颈前","颈后","锁骨上"],
                    "甲状腺": {},
                    "颈动脉": {},
                    "气管位置": {}
                }
            }
        ],
        "前侧胸部": {
            "肺部": {
                "视诊": {
                    "胸廓": ["外形","对称性","皮肤"],
                    "呼吸": ["运动","频率","节律","深度"]
                }
            },
            "心脏": {}
        },
        "背部（病人坐起）": {},
        "腹部（病人躺下）": {},
        "上肢": {},
        "下肢": {},
        "神经反射": {},
        "步态与腰椎运动": {}
    }
}var request =