twong329/view/xcx/components/product-window/index.js

var app = getApp()

Component({
  properties: {
    iSplus: {
      type: Boolean,
      value: true
    },
    iSbnt: {
      type: Number,
      value: 0
    },
    limitNum: {
      type: Number,
      value: 0
    },
    attribute: {
      type: Object,
      value: {}
    },
    attrList: {
      type: Object,
      value: []
    },
    productAttr: {
      type: Object,
      value: []
    },
    productSelect: {
      type: Object,
      value: {
        image: '',
        store_name: '',
        price: 0,
        unique: '',
        stock: 0
      }
    }
  },

  data: {
    attrValue: [],
    attrIndex: 0,
    isShow: false
  },

  attached: function () {
    let pages = getCurrentPages()
    let currPage = null
    if (pages.length) {
      currPage = pages[pages.length - 1]
    }
    let route = currPage.route
    this.setData({
      isShow: route.indexOf('goods_details') !== -1
    })
  },

  methods: {
    /**
     * 购物车手动输入数量
     */
    bindCode: function (e) {
      this.triggerEvent('iptCartNum', e.detail.value)
    },

    close: function () {
      this.triggerEvent('myevent', {
        window: false
      })
    },

    goCat: function () {
      this.triggerEvent('goCat')
    },

    CartNumDes: function () {
      this.triggerEvent('ChangeCartNum', false)
    },

    CartNumInt: function () {
      this.triggerEvent('ChangeCartNum', true)
    },

    tapAttr: function (e) {
      //父级index
      var indexw = e.currentTarget.dataset.indexw
      //子集index
      var indexn = e.currentTarget.dataset.indexn
      //每次点击获得的属性
      var attr = this.data.productAttr[indexw].attr_value[indexn]
      //设置当前点击属性
      this.data.productAttr[indexw].checked = attr['attr']
      this.setData({
        productAttr: this.data.productAttr
      })
      var value = this.getCheckedValue().sort().join(',')
      this.triggerEvent('ChangeAttr', value)
    },

    getCheckedValue: function () {
      return this.data.productAttr.map(function (attr) {
        return attr.checked
      })
    },

    ResetAttr: function () {
      for (var k in this.data.productAttr) this.data.productAttr[k].checked = ''
      this.setData({
        productAttr: this.data.productAttr
      })
    }
  }
})