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完成列表排序的学习

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mac_study
roger 2 years ago
parent ea40c8296a
commit 5db242ae0d
4 changed files with 167 additions and 37 deletions
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  1. 34
      12_列表筛选/1.基础列表.html
  2. 36
      12_列表筛选/2.Key的原理.html
  3. 75
      12_列表筛选/3.列表过滤.html
  4. 55
      12_列表筛选/4.列表排序.html

34
12_列表筛选/1.基本列表.html → 12_列表筛选/1.基础列表.html
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@ -9,16 +9,26 @@
<div id="root">
<!-- 遍历列表-->
<h2>人员列表</h2>
<button @click.once="addPerson">添加一个人</button>
<ul>
<!-- 方法一-->
<!-- <li v-for="d in listData" :key="d.id">{{d.name}} - {{d.age}}</li>-->
<!-- 方法二-->
<li v-for="(data, index) in listData" :key="data.id">
{{data.name}} - {{data.age}}
<input type="text">
</li>
<li v-for="(data, index) in listData" :key="index">{{data.name}} - {{data.age}}</li>
</ul>
<!-- 遍历对象-->
<h2>汽车信息</h2>
<ul>
<li v-for="(key, value) of car" :key="key">{{key}} - {{value}}</li>
</ul>
<!-- 遍历字符串-->
<h2>字符串信息</h2>
<ul>
<li v-for="(c, index) of testStr" :key="index">{{c}} - {{index}}</li>
</ul>
<!-- 遍历固定次数-->
<h2>固定遍历</h2>
<ul>
<li v-for="(number, index) of 5" :key="index">{{number}} - {{index}}</li>
</ul>
</div>
</body>
@ -31,13 +41,13 @@
{id: 1, name: '张三', age: 18},
{id: 2, name: '李四', age: 19},
{id: 3, name: '王五', age: 20}
]
],
car: {
name: "特斯拉",
model: "Model3",
price: "29.9w"
},
methods:{
addPerson() {
const p = {id: 0, name: "赵老大", age: 80}
this.listData.unshift(p)
}
testStr: "Hello!"
}
})

36
12_列表筛选/2.Key的原理.html
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@ -2,33 +2,23 @@
<html lang="en">
<head>
<meta charset="UTF-8">
<title>基本列表</title>
<title>Key的原理</title>
<script type="text/javascript" src="../vue.js"></script>
</head>
<body>
<div id="root">
<!-- 遍历列表-->
<h2>人员列表</h2>
<button @click.once="addPerson">添加一个人</button>
<ul>
<!-- 方法一-->
<!-- <li v-for="d in listData" :key="d.id">{{d.name}} - {{d.age}}</li>-->
<!-- 方法二-->
<li v-for="(data, index) in listData" :key="index">{{data.name}} - {{data.age}}</li>
</ul>
<!-- 遍历对象-->
<h2>汽车信息</h2>
<ul>
<li v-for="(key, value) of car" :key="key">{{key}} - {{value}}</li>
</ul>
<!-- 遍历字符串-->
<h2>字符串信息</h2>
<ul>
<li v-for="(c, index) of testStr" :key="index">{{c}} - {{index}}</li>
</ul>
<!-- 遍历固定次数-->
<h2>固定遍历</h2>
<ul>
<li v-for="(number, index) of 5" :key="index">{{number}} - {{index}}</li>
<li v-for="(data, index) in listData" :key="data.id">
{{data.name}} - {{data.age}}
<input type="text">
</li>
</ul>
</div>
</body>
@ -41,13 +31,13 @@
{id: 1, name: '张三', age: 18},
{id: 2, name: '李四', age: 19},
{id: 3, name: '王五', age: 20}
],
car: {
name: "特斯拉",
model: "Model3",
price: "29.9w"
]
},
testStr: "Hello!"
methods:{
addPerson() {
const p = {id: 0, name: "赵老大", age: 80}
this.listData.unshift(p)
}
}
})

75
12_列表筛选/3.列表过滤.html
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@ -0,0 +1,75 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>列表过滤</title>
<script type="text/javascript" src="../vue.js"></script>
</head>
<body>
<div id="root">
<!-- 遍历列表-->
<h2>人员列表</h2>
<input type="text" placeholder="输入关键词" v-model="keyword">
<ul>
<li v-for="(data, index) in filterData" :key="data.id">
{{data.name}} - {{data.age}} - {{data.sex}}
</li>
</ul>
</div>
</body>
<script type="text/javascript">
Vue.config.productionTip = false
// 使用watch实现
// const vm = new Vue({
// el: "#root",
// data: {
// keyword: '',
// listData: [
// {id: 1, name: '马冬梅', age: 18, sex: '女'},
// {id: 2, name: '周冬雨', age: 19, sex: '女'},
// {id: 3, name: '周杰伦', age: 20, sex: '男'},
// {id: 4, name: '温兆伦', age: 21, sex: '男'}
// ],
// filterData: []
// },
// watch: {
// // keyword(val) {
// // this.listData = this.listData.filter((p) => {
// // return p.name.indexOf(val) !== -1
// // })
// // }
// keyword: {
// immediate: true,
// handler(val) {
// this.filterData = this.listData.filter((p) => {
// return p.name.indexOf(val) !== -1
// })
// }
// }
// }
// })
// 使用computed实现
const vm = new Vue({
el: "#root",
data: {
keyword: '',
listData: [
{id: 1, name: '马冬梅', age: 18, sex: '女'},
{id: 2, name: '周冬雨', age: 19, sex: '女'},
{id: 3, name: '周杰伦', age: 20, sex: '男'},
{id: 4, name: '温兆伦', age: 21, sex: '男'}
],
},
computed: {
filterData() {
return this.listData.filter((p) => {
return p.name.indexOf(this.keyword) !== -1
})
}
}
})
</script>
</html>

55
12_列表筛选/4.列表排序.html
Unescape View File

@ -0,0 +1,55 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>列表过滤</title>
<script type="text/javascript" src="../vue.js"></script>
</head>
<body>
<div id="root">
<!-- 遍历列表-->
<h2>人员列表</h2>
<input type="text" placeholder="输入关键词" v-model="keyword">
<button @click="sortType=2">年龄升序</button>
<button @click="sortType=1">年龄降序</button>
<button @click="sortType=0">原顺序</button>
<ul>
<li v-for="(data, index) in filterData" :key="data.id">
{{data.name}} - {{data.age}} - {{data.sex}}
</li>
</ul>
</div>
</body>
<script type="text/javascript">
Vue.config.productionTip = false
// 使用computed实现
const vm = new Vue({
el: "#root",
data: {
keyword: '',
sortType: 0, // 0-原顺序 1-年龄降序 2-年龄升序
listData: [
{id: 1, name: '马冬梅', age: 25, sex: '女'},
{id: 2, name: '周冬雨', age: 19, sex: '女'},
{id: 3, name: '周杰伦', age: 20, sex: '男'},
{id: 4, name: '温兆伦', age: 17, sex: '男'}
],
},
computed: {
filterData() {
const arr = this.listData.filter((p) => {
return p.name.indexOf(this.keyword) !== -1
})
if (this.sortType){
arr.sort((a,b) => {
return this.sortType === 1 ? b.age - a.age : a.age - b.age
})
}
return arr
}
}
})
</script>
</html>
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