鸿蒙js开发8 鸿蒙的商品购物车及参数传递 原创

<div class="container">
    <list class="listdiv">
        <block for="{{productlists}}">
            <list-item class="list-item">
                <text>{{$item.pname}}</text>
                <text>{{$item.price}}</text>
                <image class="imgdiv" src="/common/add.png" onclick="addproduct({{$idx}})"></image>
            </list-item>
        </block>
    </list>

    <div class="shopcardiv">
        <div class="shopcar" onclick="showshopcar">
            <image class="shopcarimg" src="/common/shopcar0.png"></image>
        </div>
        <!--初始不出现-->
        <div if="{{count>0?true:false}}" class="countdiv">
            <text class="t1">{{count}}</text>
        </div>
    </div>
</div>
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.container {
    width: 100%;
    height: 1300px;
    background-color: snow;
    display: flex;
    flex-direction: column;
}
.listdiv{
    width: 100%;
    height: 90%;
}
.list-item{
    width: 100%;
    height: 20%;
    border-bottom: 1px solid silver;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.imgdiv{
    width: 60px;
    height: 60px;
}
.shopcardiv{
    width: 100%;
    height: 9%;
    border-top: 1px solid darkolivegreen;
    position: fixed;
    bottom: 0px;
    left: 0px;
}
.shopcar{
    width: 80px;
    height: 80px;
    background-color: green;
    border-radius: 100px;
    position: absolute;
    left: 300px;
    bottom: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.shopcarimg{
    width: 60px;
    height: 60px;
}
.countdiv{
    position: absolute;
    left: 350px;
    bottom: 110px;
    background-color: red;
    padding: 10px 20px;
    border-radius: 100px;
}
.t1{
    color: white;
    font-weight: bold;
}
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import prompt from '@system.prompt';
import router from '@system.router';
export default {
    data: {
        productlists:[{"pname":"P40","price":"¥4500"},
                      {"pname":"手环","price":"¥199"},
                      {"pname":"手表","price":"¥1388"},
                      {"pname":"电脑","price":"¥9999"},
                      {"pname":"耳机","price":"¥1099"},
                      {"pname":"Pad","price":"¥4999"},
                      {"pname":"智慧屏","price":"¥3299"}],
        count:0,

        //购物车商品
        carproduct:[]

    },
    addproduct(index){
        ++this.count;

        //商品记录到购物车中
        this.carproduct.push(this.productlists[index]);
    },

    showshopcar(){

        //
        prompt.showToast({
           message:this.carproduct
        });

        //鸿蒙带参数跳转页面
        router.push({
            uri:'pages/productcar/productcar',
            params:{
                carlists:this.carproduct
            }
        });
    }
}
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export default {
    data: {
        title:"购物车列表",
        //接收页面跳转时带的参数方式：定义名称和参数的名字一致即可
        carlists:[]
    }
}
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<div class="container">
    <div class="topdiv">
        <text>{{title}}</text>
    </div>
    <list class="listdiv">
        <block for="{{carlists}}">
            <list-item class="list-item">
                <text>{{$item.pname}}</text>
            </list-item>
        </block>
    </list>
</div>
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.container {
    width: 100%;
    height: 1300px;
    display: flex;
    flex-direction: column;
}
.topdiv{
    width: 100%;
    height: 10%;
    border-bottom: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
}
.listdiv{
    width: 100%;
    height: 90%;
}
.list-item{
    width: 100%;
    height: 15%;
    border-bottom: 1px solid silver;
    display: flex;
    justify-content: center;
    align-items: center;
}
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