happ/view/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});
    },
  }
})