小程序多個商品收藏

html

<image src="../../images/weishoucang.png" wx:if="{{ item.isShow }}" bindtap="clickselect" data-index="{{ index }}"></image>

<image src="../../images/shoucang.png" wx:else bindtap="clickselect" data-index="{{ index }}"></image>

 

js

clickselect: function (e) {

var index = 0;

var shopList = this.data.shop

for (let item of shopList) {

//若是當前點擊的對象id和循環對象裏的id一致

if (item.id == (e.currentTarget.dataset.index + 1)) {

if (shopList[index].isShow == "" || shopList[index].isShow == undefined) {

shopList[index].isShow = !shopList[index].isShow

} else {

shopList[index].isShow = ""

}

}

index++;

}

this.setData({

shop: shopList

});

},