reader/components/createPoster/index.js

Component({
    properties: {
    },
    data: {
        state: false,
        img: ''
    },
    methods: {
        open() {
            this.setData({
                state: true
            })
        },
        closeMediaBox() {
            this.setData({
                state: false
            })
        }
    }
})