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| <html>
<title>Vue.js</title>
<header>
<link rel="stylesheet" href="style.css">
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</header>
<body>
<div id="box">
<div :class="isActive?'red':'yellow'">三目</div>
<div :class="classArr">array</div>
<div :class="classObj">object</div>
<div :style="'background:' + (isActive?'red':'blue')">三目</div>
<div :style="styleObj">object</div>
<div :style="styleArr">array</div>
<span v-bind:title="message">
鼠标悬停几秒钟查看此处动态绑定的提示信息！
</span>
<div v-html="html"></div>
<div v-show="isShow">v-show</div>
<div v-if="isCreated">v-if</div>
<div v-else>v-else</div>
<div>
<ul v-if="datalist.length">
<li v-for="data in datalist"> {{data}} </li>
</ul>
<span v-else> empty datalist</span>
</div>
<button @click="handlerClick">Click</button>
<div>
<ul>
<li v-for="(data, index) in dataArr">
{{data}} -- {{index}}
</li>
</ul>
<ul>
<li v-for="(vaule, key) in dataObj">
{{key}} -- {{vaule}}
</li>
</ul>
</div>
<div>
<p>按键触发:<input type="text" @keyup.enter="handlerInput" v-model="filtertext"></p>
<p>事件触发:<input type="text" @input="handlerInput" v-model="filtertext"></p>
<p>焦点触发:<input type="text" @change="handlerInput" v-model.lazy="filtertext"></p>
<ul>
<li v-for="item in filterlist">
{{item}}
</li>
</ul>
</div>
<div>
<ul @click="handlerUlClick">
<li @click.stop="handlerLiClick">Stop</li>
</ul>
<button @click.once="handlerLiClick">Once</button>
</div>
<br>
<form action="" method="post">
<input type="checkbox" v-model="isRemember" value="isRemember">Remember me
<br>
{{langs}}
<input type=checkbox v-model="langs" value="python"> python
<input type=checkbox v-model="langs" value="java"> java
<input type=checkbox v-model="langs" value="golang"> golang
<br>
{{fruit}}
<input type="radio" v-model="fruit" value="apple"> apple
<input type="radio" v-model="fruit" value="banana"> banana
<input type="radio" v-model="fruit" value="pear"> pear
</form>
购物车：
<div>
<ul>
<li><input type="checkbox" @change="handlerChange" v-model="isAll">全选</li>
<li v-for="product in products">
<input type="checkbox" v-model="checkoutPrices" :value="product"
@change="handlerliChange">{{product.name}}
<button @click="handlerDelClick(product)">Del</button>
{{product.number}}
<button @click="product.number++">Add</button>
</li>
{{checkoutPrices}}
<p>总金额：{{ getSum() }}</p>
</ul>
</div>
</div>
</body>
<script>
var vm = new Vue({
el: "#box",
data: {
message: "123123",
html: "<a href=#>super man</a>",
isShow: true,
isCreated: true,
isActive: true,
isRemember: false,
classObj: {
"red": true,
"yellow": true,
},
classArr: ["red", "yellow"],
styleObj: {
background: "red"
},
styleArr: [{ background: "blue" }, { fontSize: "40px" }],
datalist: [],
dataArr: ["A", "B", "C"],
dataObj: {
keyA: "vauleA",
keyB: "vauleB",
keyC: "vauleC"
},
filtertext: "",
filterlist: ['apple', "banana", "bear", "able", "application"],
list: ['apple', "banana", "bear", "able", "application"],
langs: [],
fruit: "",
products: [
{ name: "A", price: 1, number: 2, id: 1 },
{ name: "B", price: 1.1, number: 3, id: 2 },
{ name: "C", price: 1.2, number: 2, id: 3 },
{ name: "D", price: 2, number: 1, id: 4 },
],
checkoutPrices: [],
isAll: false
},
methods: {
handlerClick: function () {
this.isCreated = !this.isCreated
this.datalist = [1, 2, 3, 4, 5]
},
handlerInput: function () {
this.filterlist = this.list.filter(item => !item.indexOf(this.filtertext))
},
handlerUlClick: function () {
console.log("ul click")
console.log(event)
},
handlerLiClick: function () {
console.log("li click")
console.log(event)
},
getSum: function () {
var sum = 0;
for (var i in this.checkoutPrices) {
sum += this.checkoutPrices[i].number * this.checkoutPrices[i].price
}
return sum
},
handlerChange: function () {
if (this.isAll) {
this.checkoutPrices = this.products
} else {
this.checkoutPrices = []
}
},
handlerliChange: function () {
if (this.checkoutPrices.length == this.products.length) {
this.isAll = true
} else { this.isAll = false }
},
handlerDelClick: function (product) {
console.log(product)
product.number--
if (product.number <= 0) {
product.number = 0
for (var i in this.checkoutPrices) {
if (this.checkoutPrices[i].id === product.id) {
this.checkoutPrices.splice(i, 1)
}
}
}
}
}
})
</script>
</html>
|
