lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css">
    <style>
        .container {
            padding: 20px;
        }

        .navbar {
            margin-bottom: 20px;
        }

        .add-goods {
            width: 400px;
        }
    </style>
</head>

<body>
    <div id="app">
        <div class="container">
            <!-- 顶部导航 -->
            <nav class="navbar bg-primary" data-bs-theme="dark">
                <div class="container-fluid">
                    <span class="navbar-brand mb-0 h1">商品列表管理</span>
                </div>
            </nav>
            <!-- 搜索框 -->
            <div class="row">
                <div class="col-2">
                    <input v-model="searchInp" type="text" class="form-control" placeholder="请输入搜索名称">
                </div>
                <div class="col-10">
                    <button @click="searchFun" type="button" class="btn btn-primary">搜索</button>
                </div>
            </div>
            <!-- 添加商品 -->
            <div class="add-goods input-group mt-3">
                <input v-model="goodsName" type="text" class="form-control" placeholder="商品名称" aria-label="Recipient's username"
                    aria-describedby="button-addon2">
                <input v-model.number="goodsPrice" type="text" class="form-control" placeholder="商品价格" aria-label="Recipient's username"
                    aria-describedby="button-addon2">
                <button @click="addGoods" class="btn btn-outline-secondary" type="button" id="button-addon2">添加商品</button>
            </div>
            <!-- 表格区域 -->
            <div class="table-content">
                <table class="table">
                    <thead>
                        <tr>
                            <th scope="col">#</th>
                            <th scope="col">#</th>
                            <th scope="col">商品名称</th>
                            <th scope="col">商品价格</th>
                            <th scope="col">操作</th>
                        </tr>
                    </thead>
                    <tbody class="table-group-divider">
                        <tr @click="checkLine(item.id)" :class="{'table-active':item.isCheck}"
                            v-for="(item,index) in dataList" :key="item.id">
                            <th scope="row">{{index+1}}</th>
                            <td>
                                <input type="checkbox" v-bind:checked="item.isCheck">
                            </td>
                            <td>{{item.name}}</td>
                            <td>{{item.price}}</td>
                            <td>
                                <button @click.stop="delFun(item.id)" type="button" class="btn btn-primary btn-sm">删除</button>
                            </td>
                        </tr>
                        <tr>
                            <th colspan="3">总价</th>
                            <td>{{sum}}</td>
                            <td>
                                <button @click="delCheck" type="button" class="btn btn-primary btn-sm">删除选中</button>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    <script>
        let app = new Vue({
            el: "#app",
            data: {
                goodsName:"",
                goodsPrice:"",
                searchInp: "",
                dataList: [
                    {
                        id: 1001,
                        name: "衣服",
                        price: 100,
                        isCheck: false
                    },
                    {
                        id: 1002,
                        name: "裤子",
                        price: 200,
                        isCheck: false
                    },
                    {
                        id: 1003,
                        name: "帽子",
                        price: 50,
                        isCheck: false
                    },
                    {
                        id: 1004,
                        name: "鞋",
                        price: 300,
                        isCheck: false
                    }
                ]
            },
            methods: {
                // 添加商品
                addGoods(){
                    if(this.goodsName && this.goodsPrice){
                        let newId = 0;
                        // this.dataList.forEach((val)=>{
                        //     if(val.id > newId){
                        //         newId = val.id;
                        //     }
                        // })
                        // Math.max(1,2,3,4)
                        // console.log(newId);

                        let idList = this.dataList.map((val)=>{
                            return val.id;
                        })
                        // console.log(Math.max(...idList));
                        newId = Math.max(...this.dataList.map(val => val.id))+1;
                        console.log(newId);
                        let newGoods = {
                            id:newId,
                            name:this.goodsName,
                            price:this.goodsPrice,
                            isCheck:false
                        }
                        this.dataList.push(newGoods);
                    }else{
                        alert("请输入商品名称和价格");
                    }
                },
                // 单行选中
                checkLine(id) {
                    this.dataList.map((val) => {
                        if (val.id == id) {
                            val.isCheck = !val.isCheck;
                        }
                    })
                },
                // 单行删除
                delFun(id){
                    let newDataList = this.dataList.filter((val)=>{
                        if(val.id != id){
                            return true
                        }
                    })
                    this.dataList = newDataList;
                },
                // 删除选中
                delCheck(){
                    let newDataList = this.dataList.filter((val)=>{
                        if(!val.isCheck){
                            return true
                        }
                    })
                    this.dataList = newDataList;
                },
                // 搜索
                searchFun(){
                    let searchVal = this.searchInp;
                    let newDataList = this.dataList.filter((val)=>{
                        if(val.name.includes(searchVal)){
                            return true
                        }
                    });
                    this.dataList = newDataList;
                }
            },
            computed: {
                sum() {
                    let sumVal = 0;
                    this.dataList.forEach((val)=>{
                        if(val.isCheck){
                            sumVal += val.price;
                        }
                    });
                    return sumVal
                }
            }
        })
    </script>
</body>

</html>