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2023-07-12 00:35 作者:-張什么  | 我要投稿

<!DOCTYPE html><html><head><meta charset="utf-8">

<title>子組件與父組件通信</title>

<script?src="js/v2.6.10/vue.js"></script>

</head><body> <main id="app">

<h3>XXXX 超市</h3>

<list-goods v-for="item,index in goods"

:name='item.name'

:price='item.price'

:pic='item.pic'

:index='index'

v-on:uevent="f_disPrice" ></list-goods> <hr>

總價(jià)為: ¥ {{total}}

</main> <template id="t1"> <div>

<img?:src="pic" style="width: 100px;"><br>

{{name}} <br>

¥?{{price}}<br>

<button @click="disPrice()">降價(jià) 5 元</button> </div>

</template><script>

var?vm?= new Vue({

el:"#app",

data:{goods:[ {"name":'西瓜',"price":100.99,"pic":"img/01.jpg"},

{"name":'××',"price":160.99,"pic":"img/01.jpg"},

{"name":'××',"price":150.99,"pic":"img/01.jpg"},

{"name":'××',"price":100.99,"pic":"img/01.jpg"},

{"name":'××',"price":0.01,"pic":"img/01.jpg"},

{"name":'××',"price":4999.99,"pic":"img/01.jpg"},

{"name":'××',"price":1588.89,"pic":"img/01.jpg"},

{"name":'××',"price":5000000.00,"pic":"img/01.jpg"} ]},

components:{ listGoods:{template:'#t1', methods:{ disPrice(){this.$emit("uevent",this.index)} },props:['name','pic','price','index'] } },?methods:{ f_disPrice(i){ this.goods[i].price -= 5;} },computed:{ total:function(){ let total=0;

this.goods.forEach(v=>total += v.price); //forEach 遍歷數(shù)組?total?= 0;

for(let i=0;i<this.goods.length;i++){

return?total;?} } })

</script></body></html>


<!DOCTYPE?html><html><head><meta charset="utf-8"><title>v-model:數(shù)據(jù)雙向綁定--修飾符</title>

<script?src="js/v2.6.10/vue.js"></script>

</head><body> <div id="app">

姓名: ?<input type="text" v-model.number="user.name"><br>

郵箱:??<input type="text" v-model.lazy.trim="user.email"><br>

簡(jiǎn)歷: ?<textarea cols="30" v-model="user.resume" rows="10"></textarea><br>

性別: ?<input type="radio" name='r1' value='1' v-model="user.sex">男

<input?type="radio" name='r1' value='2' v-model="user.sex">女<br>

愛(ài)好: ?<input type="checkbox" name='ch1[]' value="1" v-model='user.hobby'> 看電影

<input type="checkbox" name='ch1[]' value="2" v-model='user.hobby'> 打球

<input type="checkbox" name='ch1[]' value="3" v-model='user.hobby'> 音樂(lè)<br>

學(xué)歷:??<select v-model='user.education'>

<option?value="1">博士</option> <option value="2">碩士</option> <option value="3">本科</option>

<option value="4">專科</option> <option value="5">其它</option> </select><br>

<input?type="button" value="添加" v-on:click="add()">

<input?type="button" value="刪除" v-on:click="del()">

<hr>

<table border="1" width=800>

<tr><th>姓名</th><th>郵箱</th><th>簡(jiǎn)歷</th><th>性別</th><th>愛(ài)好</th><th>學(xué)歷</th></tr>

<tr?v-for="item in userList">

<td>{{item.name}}</td><td>{{item.email}}</td><td>{{item.resume}}</td>

<td>{{item.sex}}</td><td>{{item.hobby}}</td><td>{{item.education}}</td>

</tr> </table> </div> <script>

var?vm?= new Vue({

el:"#app",

data:{name:"",email:"",resume:"",sex:1,hobby:[],education:'',

user:{name:"",email:"",resume:"",sex:1,hobby:[],education:''},

userList:[]?},

methods:{ add:function(){ let usr?= {};

usr.name=this.user.name; usr.email=this.user.email; usr.resume=this.user.resume;

usr.sex=this.user.sex; this.userList.push(usr);}, del:function(){ this.userList.pop();} } });

</script></body></html>



<!DOCTYPE html>?<html><head>

<meta charset="utf-8">

<title>期末 2- 圖片輪播</title>

<script?src="js/v2.6.10/vue.js"></script>

<style type="text/css">

ul,li {padding:0; margin: 0; list-style: none; float: left; }

.actived?{ color: hotpink; font-size: 25px; }

</style></head><body> <main id = "app">

<ul>

<li><a href="" @click='pre()' style="width: 140px;">上一頁(yè)</a></li>

<li?v-for="index in n" style="width: 40px; float: left;">

<a :class="activeA==index?'actived':index" href="#" @click.prevent="act(index)">{{index+1}}</a>

<!-- 如果"activeA==index"條件成立返回 actived, ?不滿足則返回 index?-->

<li><a?href=""?@click='next()' style="width: 140px; float: left;">下一頁(yè)</a></li>

</ul> </main>

<script>

var?vm = new Vue ({

el:"#app",

data:{ n:10,//頁(yè)數(shù) activeA:1, },

methods:{ pre:function(){ if(this.activeA>1) this.activeA = this.activeA-1; },

next:function(){ if(this.activeA<this.n) this.activeA = this.active+1; },

act(index){ this.activeA = index; } } })

</script></body></html>


<!DOCTYPE html>?<html>

<head>

<meta charset="utf-8">

<title>期末 1-簡(jiǎn)易計(jì)算器</title>

<script?src="js/v2.6.10/vue.js"></script>

</head>main

<body>

<main id="app">

<input?type="text" v-model="num1"><!-- 文本計(jì)算值 1 -->

<select v-model="op" ><!-- 計(jì)算 ?-->

<option?value="+">+</option>

<option?value="-">-</option>

<option value="*">*</option>

<option?value="/">/</option>

</select>

<input?type="text" v-model="num2"><!-- 文本計(jì)算值 2 -->

<button v-on:click="cal()">=</button>

<input type="text" v-model="result" readonly><!-- 計(jì)算結(jié)果并輸出 ?-->

</main>

<script>

var?vm = new Vue ({

el:"#app",

data:{?num1:0, num2:0, op:"+", result:0 },

methods:{

cal(){?switch(this.op){ case"+": this.result = parseFloat(this.num1) + parseFloat(this.num2); break;

case"-": this.result = parseFloat(this.num1) - parseFloat(this.num2); break; case"*":

this.result?= parseFloat(this.num1) * parseFloat(this.num2); break; case"/": this.result = parseFloat(this.num1) /?parseFloat(this.num2); break; } } } });

</script></body></html>



<html>

<head>

<title>動(dòng)態(tài)組件</title>

<script?src="js/v2.6.10/vue.js"></script>

</head>

<body>

<div id="app">

<p>

<input?type="radio"?name="tab" value="pane1" v-model="notice">充話費(fèi)

<input type="radio" name="tab" value="pane2" v-model="notice">旅行

<input type="radio" name="tab" value="pane3" v-model="notice">車險(xiǎn)

</p>

<keep-alive>

<component v-bind:is="notice"></component>

</keep-alive>

</div>

<template id="t1">

<div style="width: 200px;height:200px;border: 1px solid;">

<h3>充話費(fèi)內(nèi)容展示區(qū)</h3>

<input?type="text" placeholder="請(qǐng)輸入手機(jī)號(hào)">

</div>?</template>

<template id="t2">

<div style="width: 200px;height:200px;border: 1px solid;">

<h3>旅行內(nèi)容展示區(qū)</h3>

<input?type="text" placeholder="出發(fā)城市">

</div>?</template>

<template id="t3">

<div style="width: 200px;height:200px;border: 1px solid;">

<h3>車險(xiǎn)內(nèi)容展示區(qū)</h3> </div> </template>

<script>

var?vm?= new Vue({

el:?'#app',

data:?{

notice: "pane1" };

components: {

'pane1': { template: '#t1' },

'pane2': { template: '#t2' },

'pane3':?{ template: '#t3' }, ????} ????});

</script>?</body>?</html>



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