deguodaigou/components/classify/navigation/index.js

Component({
    properties: {
        types: Array
    },
    data: {
        id: 0
    },
    methods: {
        select(a) {
            // console.log(this.data.a.target.dataset.id)
            // console.log(a.target.dataset.id)
            this.setData({
                id: a.target.dataset.id
            })
        }
    }
})