uniapp 学习笔记二十五购物车弹窗页面下拉选择交互商品规格数据渲染及数据动态交互

迷南。 2024-04-07 15:06 82阅读 0赞

uniapp 学习笔记二十五 购物车弹窗页面下拉选择交互 商品规格数据渲染及数据动态交互

购物车弹窗页面下拉选择交互

商品规格数据渲染及数据动态交互

![3e03e3ee150a4425bc156ab78c27bb5b.png][]

cart.vue

<template>
    	<view>
    		<view class="flex padding" v-for="(item,index) in cartList">
    			<view class="flex align-center">
    				<text @click="handleCheck(index)" :class="['iconfont','icon-youxiajiaogouxuan','margin-right',{'yellow':item.isCheck}]"></text>
    				<image class="poster margin-right" :src="item.img" mode=""></image>
    			</view>
    			<view class="flex justify-between info">
    				<view class="">
    					{
       {item.name}}
    					<view class="margin-tb-xs">	{
       {item.french}}	</view>
    					Y{
       {item.price}}
    				</view>
    				<view class="flex flex-direction align-end">
    					<view @click="handleEdit(index)" class="edit margin-bottom-xs">
    						<text class="iconfont icon-bianjishuru"></text>
    					</view>
                        {
       {cartList[cartIdx].list[cartList[cartIdx].idx].spec}} 
                        X 1
    				</view>
    			</view>
    		</view>
            
            <u-overlay :show="show" @click="show=false">
                <view class="bg-fff margin cover-cont" @click.stop>
                    <view class="padding">
                        <view class="flex justify-between info">
                            <image class="poster margin-right" src="" mode=""></image>
                        	<view class="">
                        		{
       {cartList[cartIdx].name}}
                        		<view class="margin-tb-xs">	{
       {cartList[cartIdx].french}}	</view>
                        		Y{
       {cartList[cartIdx].list[cartList[cartIdx].idx].price}}
                        	</view>
                        </view>
                        <view class="flex justify-between padding-tb u-border-bottom">
                            <view class="">
                                规格选择
                            </view>
                            <view class="drop">
                                <view @click="dropShow=true">
                                    {
       {cartList[cartIdx].list[cartList[cartIdx].idx].spec}} - {
       {cartList[cartIdx].list[cartList[cartIdx].idx].edible}}
                                    <text class="iconfont icon-xiangxiazhankai"></text>
                                </view>
                                <view v-if="dropShow" class="drop-list bg-fff">
                                    <view 
                                        v-for="(item,index) in cartList[cartIdx].list" 
                                        class="padding-sm"
                                        :key="index" 
                                        @click="handleDropList(index)"
                                    >
                                        {
       {item.spec}} - {
       {item.edible}}
                                    </view>
                                </view>
                            </view>
                        </view>
                        <view class="flex justify-between align-center padding-tb u-border-bottom">
                            <view class="">
                                数量选择
                            </view>
                            <u-number-box button-size="36"></u-number-box>
                        </view>
                    </view>
                    <view class="flex margin-top">
                        <button type="default" class="cu-btn lg bg-brown">取消</button>
                        <button type="default" class="cu-btn lg bg-yellow">确认</button>
                    </view>
                </view>
            </u-overlay>
    		<view class="fixed bg-fff flex">
    			<view class="flex flex-sub padding align-center">
    				<text 
                    @click="handleAllCheck(allInfo.allCheck)" 
                    :class="['iconfont', 'icon-youxiajiaogouxuan', 'margin-right-xs',{'yellow':allInfo.allCheck}]"></text>
    				全选
    				<view class="margin-left">
    					共计:189
    				</view>
    			</view>
    			<view class="bg-yellow padding text-center color-fff">
    				立即结算
    			</view>
    		</view>
    	</view>
    </template>
    
    <script>
        import {mapState,mapMutations,mapGetters} from 'vuex'
    	export default {
    		data() {
    			return {
    				show:false,
    				dropShow:false,
                    cartIdx:0
    			}
    		},
            computed: {
                ...mapState({
                    cartList:state=>state.cart.cartList 
                }),
                ...mapGetters({
                    allInfo:'cart/allInfo'
                }),
                checkedCartInfo(){ // 过滤下拉选中的商品对象
                    let {cartIdx,cartList} = this
                    return cartList[cartIdx].list[cartList[cartIdx].idx]
                }
            },
            methods:{
                ...mapMutations({
                    handleCheck:'cart/cartCheckMut',
                    handleAllCheck:'cart/cartAllCheckMut'
                }),
                handleEdit(idx){
                    // 弹窗控制
                    this.cartIdx = idx;
                    this.show=true;
                },
                handleDropList(dropIdx){ //子商品下拉列表
                    this.dropShow = false;
                    let {cartIdx} = this;
                    this.$store.commit('cart/cartListCheckMut',{cartIdx,dropIdx});
                }
            }
    	}
    </script>
    
    <style lang="scss">
    page{
    	padding-bottom: 100upx;
    }
    .poster{
    	width: 180upx;
    	height: 180upx;
    	background-color: #d8d8d8;
    }
    .info{
    	width: 60%;
    	.edit{
    		width: 80upx;
    		height: 80upx;
    		text-align: center;
    		line-height: 80upx;
    		background-color: #e6e6e6;
    		border-radius: 50%;
    	}
    }
    .icon-youxiajiaogouxuan{
    	width: 50upx;
    	height: 50upx;
    	text-align: center;
    	line-height: 50upx;
    	background-color: #e6e6e6;
    	border-radius: 20%;
    }
    .fixed {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        box-shadow: 0 0 10upx 2upx rgba(0, 0, 0, 0.2);
    }
    
    .yellow{
    	background-color: yellow;
    }
    .cu-btn.lg{
        width: 50%;
    }
    .cover-cont{
        position: absolute;
        top: 50%;
        left: 0;
        width: 690upx;
        transform: translateY(-50%);
        border-radius: 10upx;
    }
    .drop{
        position: relative;
        .drop-list{
            width:300upx;
            position: absolute;
            top: 60upx;
            right: 0;
            box-shadow: 0 0 10upx 2upx rgba(0, 0, 0, 0.2);
            z-index: 10;
            view:hover{
                background-color: #e6e6e6;
            }
        }
    }
    
    </style>

cart.js

export default {
        namespaced:true,
        state(){
            return {
                cartList:[{
                    id:"10090",
                    twoId:10089,
                    name:"拿破仑草莓恋爱",
                    french:"Napoleon aux fraises",
                    price:"208.00",
                    isCheck:false,
                    img:"/static/logo.png",
                    list:[
                        {id:10090,sku:"n0201",ahead:'提前5小时预定',edible:"2-3人食用",spec:"1磅",price:"218.00"},
                        {id:10091,sku:"n0202",ahead:'提前5小时预定',edible:"4-7人食用",spec:"2磅",price:"318.00"},
                        {id:10092,sku:"n0203",ahead:'提前5小时预定',edible:"8-12人食用",spec:"3磅",price:"458.00"},
                        {id:10093,sku:"n0204",ahead:'提前5小时预定',edible:"12-20人食用",spec:"5磅",price:"750.00"}
                    ],
                    num:1,//商品数量
                    idx:0 //标记选中的子商品信息
                },{
                    id:"10090",
                    twoId:10089,
                    name:"拿破仑草莓",
                    french:"Napoleon aux fraises",
                    price:"218.00",
                    tid:11,
                    tname:'限定',
                    isCheck:false,
                    img:"/static/logo.png",
                    list:[
                        {id:10090,sku:"n0201",ahead:'提前5小时预定',edible:"2-3人食用",spec:"1磅",price:"218.00"},
                        {id:10091,sku:"n0202",ahead:'提前5小时预定',edible:"4-7人食用",spec:"2磅",price:"318.00"},
                        {id:10092,sku:"n0203",ahead:'提前5小时预定',edible:"8-12人食用",spec:"3磅",price:"458.00"},
                        {id:10093,sku:"n0204",ahead:'提前5小时预定',edible:"12-20人食用",spec:"5磅",price:"750.00"}
                    ],
                    num:1, //商品数量
                    idx:0 //标记选中的子商品信息
                }
                ]
            }
        },
        getters:{
            allInfo(state){
                let allCheck = true
                state.cartList.forEach(item=>{
                    if(!item.isCheck){
                        allCheck = false
                    }
                })
                return {allCheck}
            }
        },
        mutations:{
            cartCheckMut(state,idx){ // 单选
                state.cartList[idx].isCheck = !state.cartList[idx].isCheck
            },
            cartAllCheckMut(state,bool){ // 全选 bool 是原本的全选状态
                state.cartList.forEach(item=>{
                    item.isCheck = !bool
                })
            },
            cartListCheckMut(state,{cartIdx,dropIdx}){ // 子商品下拉处理
                state.cartList[cartIdx].idx = dropIdx
            }
        }
    }

[3e03e3ee150a4425bc156ab78c27bb5b.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/c698a6b35924471fa915873211eec0f3.png