微信小程序根据返回值判断状态

{
    "msg": "查询成功",
    "total": 25,
    "code": 1,
    "rows": [{
        "id": 29,
        "subscribeTime": "2021-06-17 18:00:00",
        "name": "12",
        "sex": 1,
        "idNumber": "45",
        "phone": "34",
        "interviewee": "67",
        "visitOrgan": "",
        "visitOrganId": 1,
        "visitCause": 1,
        "visitCompany": "56",
        "applyTime": "2021-06-18 16:49:00",
        "state": 0,
        "deviceId": null,
        "type": 1,
        "pageBean": null
    },{
        "id": 12,
        "subscribeTime": "2021-06-17 18:00:00",
        "name": "ww11",
        "sex": 1,
        "idNumber": "340823199308151525",
        "phone": "13661725175",
        "interviewee": "李俊飞2",
        "visitOrgan": "技术部",
        "visitOrganId": 1,
        "visitCause": 1,
        "visitCompany": "毛特",
        "applyTime": "2021-06-17 17:02:00",
        "state": 0,
        "deviceId": null,
        "type": 1,
        "pageBean": null
    }, {
        "id": 11,
        "subscribeTime": "2021-01-11 19:00:00",
        "name": "",
        "sex": 1,
        "idNumber": "",
        "phone": "",
        "interviewee": "",
        "visitOrgan": "",
        "visitOrganId": 1,
        "visitCause": 1,
        "visitCompany": "",
        "applyTime": "2021-06-17 16:33:00",
        "state": 0,
        "deviceId": null,
        "type": 1,
        "pageBean": null
    }]
}

onLoad: function(options) {
        wx.request({
            url: "http://192.xxx.4.1xx:8093/cs-applet/subscribe/list",
            data: {
                "pageBean.page": 1,
                "pageBean.rows": 25,
                "pageBean.pagination": true,
                "subscribeTime": 6
            },
            method: 'GET',
            header: {
                'content-type': 'application/json'
            },
            success: res => {
                this.setData({
                    //第一个data为固定用法，第二个data是json中的data
                    //list: res.data.rows
                    list: (res.data.rows || []).map(a => {
                        a.visitCause = a.visitCause === 0 ? '面试' : a.visitCause === 1 ? '开会' : a.visitCause === 2 ? '拜访顾客' : a.visitCause ===
                            3 ? '项目实施' : '其他'
                        return a
                    })
                })
            }
        })
    },

<span>来访理由：{{item.visitCause}}</span>