文章目录
- 前言
- 一、小黑记事本
- 二、购物车
- 三、小黑记账清单
前言
- bilibili视频地址
一、小黑记事本
-
效果图
-
主代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><link rel="stylesheet" href="./css/index.css"/><title>记事本</title>
</head>
<body><!-- 主体区域 -->
<section id="app"><!-- 输入框 --><header class="header"><h1>小黑记事本</h1><input placeholder="请输入任务" v-model="inputTask" class="new-todo"/><button class="add" @click="addTask()">添加任务</button></header><!-- 列表区域 --><section class="main"><ul class="todo-list" v-for="(item,index) in list" :key="item.id"><li class="todo"><div class="view"><span class="index">{{ index + 1 }}</span> <label>{{ item.name }}</label><button class="destroy" @click="delTask(item.id)"></button></div></li></ul></section><!-- 统计和清空 --><footer class="footer" v-show="list.length > 0"><!-- 统计 --><span class="todo-count">合 计:<strong> {{ list.length }} </strong></span><!-- 清空 --><button class="clear-completed" @click="clearAll()">清空任务</button></footer>
</section><!-- 底部 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>const app = new Vue({el: '#app',data: {list: [{id: 2, name: "我要吃饭"},{id: 1, name: "我要睡觉"}],inputTask: ""},methods: {addTask() {let tempId;//生成一个不重复的idif (this.list[0] != null) {tempId = this.list[0].id + 1} else {tempId = 1}this.list.unshift({id: tempId,name: this.inputTask});this.inputTask = ""},delTask(id) {this.list = this.list.filter(item => item.id != id);},clearAll() {this.list = [];}}})</script>
</body>
</html>二、购物车
-
效果图
-
主代码
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><link rel="stylesheet" href="./css/inputnumber.css" /><link rel="stylesheet" href="./css/index.css" /><title>购物车</title><script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script></head><body><div class="app-container" id="app"><!-- 顶部banner --><div class="banner-box"><img src="img/fruit.jpg" alt="" /></div><!-- 面包屑 --><div class="breadcrumb"><span>🏠</span>/<span>购物车</span></div><!-- 购物车主体 --><div class="main" v-if="fruitList.length > 0"><div class="table"><!-- 头部 --><div class="thead"><div class="tr"><div class="th">选中</div><div class="th th-pic">图片</div><div class="th">单价</div><div class="th num-th">个数</div><div class="th">小计</div><div class="th">操作</div></div></div><!-- 身体 --><div class="tbody"><div class="tr" :class="{ active:item.isChecked}" v-for="(item,index) in fruitList" :key="item.id" ><div class="td"><input type="checkbox" v-model="item.isChecked" /></div><div class="td"><img :src="item.icon" alt="" /></div><div class="td">{{ item.price }}</div><div class="td"><div class="my-input-number"><button class="decrease" @click="sub(item.id)"> - </button><span class="my-input__inner">{{ item.num }}</span><button class="increase" @click="add(item.id)"> + </button></div></div><div class="td">{{ item.price*item.num }}</div><div class="td"><button @click="del(item.id)">删除</button></div></div></div></div><!-- 底部 --><div class="bottom"><!-- 全选 --><label class="check-all"><input type="checkbox" v-model="isAll" />全选</label><div class="right-box"><!-- 所有商品总价 --><span class="price-box">总价 : ¥ <span class="price">{{ totalPrice }}</span></span><!-- 结算按钮 --><button class="pay">结算( {{ totalCount }} )</button></div></div></div><!-- 空车 --><div class="empty" v-else>🛒空空如也</div></div><script>const defaultFruitList = [{id: 1,icon: 'img/火龙果.png',isChecked: true,num: 2,price: 6,},{id: 2,icon: 'img/荔枝.png',isChecked: false,num: 7,price: 20,},{id: 3,icon: 'img/榴莲.png',isChecked: false,num: 3,price: 40,},{id: 4,icon: 'img/鸭梨.png',isChecked: true,num: 10,price: 3,},{id: 5,icon: 'img/樱桃.png',isChecked: false,num: 20,price: 34,},]const app = new Vue({el: '#app',data: {// 水果列表fruitList: JSON.parse(localStorage.getItem("list")) || defaultFruitList// fruitList: defaultFruitList},computed: {isAll: {get() {return this.fruitList.every(item => item.isChecked);},set(value) {this.fruitList.forEach(item => item.isChecked = value);}},//计算选中的总数totalCount(){let count=this.fruitList.reduce((sum,item)=>{if (item.isChecked){sum+=item.num}return sum;},0)return count;},//计算选中的价格totalPrice(){let count=this.fruitList.reduce((sum,item)=>{if (item.isChecked){sum+=item.num*item.price}return sum;},0)return count;}},methods: {del(id) {this.fruitList = this.fruitList.filter(item => item.id != id);},sub(id) {const fruit = this.fruitList.find(item => item.id == id);fruit.num--;//数量为0，删除商品if (fruit.num == 0) {this.del(id)}},add(id) {const fruit = this.fruitList.find(item => item.id == id);fruit.num++}},watch: {fruitList:{deep:true,handler (newValue) {//当被删完的时候置空，方便初始化数据if (newValue.length == 0) {newValue=null}//需要将变化后的数据存入本地（转JSON）localStorage.setItem("list", JSON.stringify(newValue))}}}})</script></body>
</html>三、小黑记账清单
- 效果图
- 主代码
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>Document</title><!-- CSS only --><linkrel="stylesheet"href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css"/><style>.red {color: red!important;}.search {width: 300px;margin: 20px 0;}.my-form {display: flex;margin: 20px 0;}.my-form input {flex: 1;margin-right: 20px;}.table > :not(:first-child) {border-top: none;}.contain {display: flex;padding: 10px;}.list-box {flex: 1;padding: 0 30px;}.list-box a {text-decoration: none;}.echarts-box {width: 600px;height: 400px;padding: 30px;margin: 0 auto;border: 1px solid #ccc;}tfoot {font-weight: bold;}@media screen and (max-width: 1000px) {.contain {flex-wrap: wrap;}.list-box {width: 100%;}.echarts-box {margin-top: 30px;}}</style></head><body><div id="app"><div class="contain"><!-- 左侧列表 --><div class="list-box"><!-- 添加资产 --><form class="my-form"><input type="text" class="form-control" placeholder="消费名称" v-model.trim="name" /><input type="text" class="form-control" placeholder="消费价格" v-model.number="price"/><button type="button" class="btn btn-primary" @click="add()">添加账单</button></form><table class="table table-hover"><thead><tr><th>编号</th><th>消费名称</th><th>消费价格</th><th>操作</th></tr></thead><tbody><tr v-for="(item,index) in list" :key="item.id"><td>{{index+1}}</td><td>{{item.name}}</td><td :class="{ red: item.price>500}">{{item.price.toFixed(2)}}</td><td><a href="javascript:;" @click="del(item.id)">删除</a></td></tr></tbody><tfoot><tr><td colspan="4">消费总计： {{ totalPrice.toFixed(2) }}</td></tr></tfoot></table></div><!-- 右侧图表 --><div class="echarts-box" id="main"></div></div></div><script src="../common/js/echarts.min.js"></script><script src="../common/js/vue.js"></script><script src="../common/js/axios.js"></script><script>/*** 接口文档地址：* https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058* * 功能需求：* 1. 基本渲染* 2. 添加功能* 3. 删除功能* 4. 饼图渲染*/const app = new Vue({el: '#app',data: {list:[],name:'',price:'',},methods:{async getList(){const res = await axios.get("https://applet-base-api-t.itheima.net/bill", {params: {creator: '小黑'}})this.list=res.data.data;this.myChart.setOption({series: [{//更新饼图数据项data: this.list.map(item=>({value:item.price,name:item.name}))}]});},async add(){if (!this.name){alert("请输入消费名称")return}if (typeof this.price !== 'number'){alert("请输入正确的消费价格")return}let param={creator: '小黑',name:this.name,price:this.price};const res = await axios.post("https://applet-base-api-t.itheima.net/bill",param);console.log(res)this.getList();this.name=''this.price=''},async del(id){const res=await axios.delete("https://applet-base-api-t.itheima.net/bill/"+id);this.getList();}},created() {this.getList()},mounted(){option = {title: {text: '消费账单列表',subtext: '',left: 'center'},tooltip: {trigger: 'item'},legend: {orient: 'vertical',left: 'left'},series: [{name: '消费账单',type: 'pie',radius: '50%',data: [{ value: 1048, name: 'Search Engine' },{ value: 735, name: 'Direct' },{ value: 580, name: 'Email' },{ value: 484, name: 'Union Ads' },{ value: 300, name: 'Video Ads' }],emphasis: {itemStyle: {shadowBlur: 10,shadowOffsetX: 0,shadowColor: 'rgba(0, 0, 0, 0.5)'}}}]};// 基于准备好的dom，初始化echarts实例this.myChart = echarts.init(document.getElementById('main'));// 绘制图表this.myChart.setOption(option);},computed:{totalPrice(){return this.list.reduce((sum,item)=>sum+=item.price,0)}}})</script></body>
</html>
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