vue 多规格商品的选择

    // 选择规格

    chooseitem (v, index, event, index3) {

      let that = this;

      let obj = {

        firstIndex: index,

        secondIndex: index3,

        value: v

      }

      if (that.selectArr.length == 0) {

        that.selectArr.push(obj)

      } else {

        let isFirst = that.selectArr.find(item => {

          return item.firstIndex == obj.firstIndex

        })

        let isSecond = that.selectArr.find(row => {

          return row.secondIndex == obj.secondIndex

        })

        if (isFirst == undefined && isSecond == undefined) {

          that.selectArr.push(obj)

        } else if (isFirst != undefined && isSecond == undefined) {

          that.selectArr.splice(that.selectArr.indexOf(isFirst), 1)

          that.selectArr.push(obj)

        } else if (isFirst = undefined && isSecond != undefined) {

          that.selectArr.push(obj)

        } else {

          that.selectArr.splice(that.selectArr.indexOf(isSecond), 1)

        }

      }

    },