插槽：默认插槽
App.vue
<template>
<div>
<!-- 2.在使用组件时，组件标签内填入内容 -->
<MyDialog>
你确定要删除吗？
</MyDialog>
<MyDialog>
你确定要退出本系统吗？
</MyDialog>
</div>
</template>
<script>
import MyDialog from "./components/MyDialog.vue"
export default {
data() {
return {}
},
components: {
MyDialog,
},
}
</script>
<style>
body {
background-color: #b3b3b3;
}
</style>MyDialog.vue
<template>
<div class="dialog">
<div class="dialog-header">
<h3>友情提示</h3>
<span class="close">✖️</span>
</div>
<div class="dialog-content">
<!-- 1.在需要定制的位置，使用slot占位 -->
<slot></slot>
</div>
<div class="dialog-footer">
<button>取消</button>
<button>确认</button>
</div>
</div>
</template>
<script>
export default {
data () {
return {
}
}
}
</script>
<style scoped>
* {
margin: 0;
padding: 0;
}
.dialog {
width: 470px;
height: 230px;
padding: 0 25px;
background-color: #ffffff;
margin: 40px auto;
border-radius: 5px;
}
.dialog-header {
height: 70px;
line-height: 70px;
font-size: 20px;
border-bottom: 1px solid #ccc;
position: relative;
}
.dialog-header .close {
position: absolute;
right: 0px;
top: 0px;
cursor: pointer;
}
.dialog-content {
height: 80px;
font-size: 18px;
padding: 15px 0;
}
.dialog-footer {
display: flex;
justify-content: flex-end;
}
.dialog-footer button {
width: 65px;
height: 35px;
background-color: #ffffff;
border: 1px solid #e1e3e9;
cursor: pointer;
outline: none;
margin-left: 10px;
border-radius: 3px;
}
.dialog-footer button:last-child {
background-color: #007acc;
color: #fff;
}
</style>
小结
插槽:后备内容( 默认值)
App.vue
<template>
<div>
<!-- 2.在使用组件时，组件标签内填入内容 -->
<MyDialog>
<!-- 你确定要删除吗？ -->
</MyDialog>
<MyDialog>
你确定要退出吗？
</MyDialog>
</div>
</template>
<script>
import MyDialog from "./components/MyDialog.vue"
export default {
data() {
return {}
},
components: {
MyDialog,
},
}
</script>
<style>
body {
background-color: #b3b3b3;
}
</style>MyDialog.vue
<template>
<div class="dialog">
<div class="dialog-header">
<h3>友情提示</h3>
<span class="close">✖️</span>
</div>
<div class="dialog-content">
<!-- 1.在需要定制的位置，使用slot占位 -->
<!-- 往 slot标签内编写内容，可以作为后备内容(默认值) -->
<slot>我是默认(后备)内容</slot>
</div>
<div class="dialog-footer">
<button>取消</button>
<button>确认</button>
</div>
</div>
</template>
<script>
export default {
data () {
return {
}
}
}
</script>
<style scoped>
* {
margin: 0;
padding: 0;
}
.dialog {
width: 470px;
height: 230px;
padding: 0 25px;
background-color: #ffffff;
margin: 40px auto;
border-radius: 5px;
}
.dialog-header {
height: 70px;
line-height: 70px;
font-size: 20px;
border-bottom: 1px solid #ccc;
position: relative;
}
.dialog-header .close {
position: absolute;
right: 0px;
top: 0px;
cursor: pointer;
}
.dialog-content {
height: 80px;
font-size: 18px;
padding: 15px 0;
}
.dialog-footer {
display: flex;
justify-content: flex-end;
}
.dialog-footer button {
width: 65px;
height: 35px;
background-color: #ffffff;
border: 1px solid #e1e3e9;
cursor: pointer;
outline: none;
margin-left: 10px;
border-radius: 3px;
}
.dialog-footer button:last-child {
background-color: #007acc;
color: #fff;
}
</style>
小结
插槽：具名插槽
App.vue
<template>
<div>
<!-- 2.在使用组件时，组件标签内填入内容 -->
<MyDialog>
<!-- 需要通过 template 标签包裹需要分发的结构，包成一个整体 -->
<template v-slot:header>
<div>我是大标题</div>
</template>
<template #centent>
<div>我是内容</div>
</template>
<template #footer>
<button>确认</button>
<button>取消</button>
</template>
</MyDialog>
</div>
</template>
<script>
import MyDialog from "./components/MyDialog.vue"
export default {
data() {
return {}
},
components: {
MyDialog,
},
}
</script>
<style>
body {
background-color: #b3b3b3;
}
</style>MyDialog.vue
<template>
<div class="dialog">
<div class="dialog-header">
<!-- 一旦插槽起了名字就是具名插槽 只支持定向分发-->
<slot name="header"></slot>
</div>
<div class="dialog-content">
<!-- 1.在需要定制的位置，使用slot占位 -->
<!-- 往 slot标签内编写内容，可以作为后备内容(默认值) -->
<slot name="content"></slot>
</div>
<div class="dialog-footer">
<slot name="footer"></slot>
</div>
</div>
</template>
<script>
export default {
data () {
return {
}
}
}
</script>
<style scoped>
* {
margin: 0;
padding: 0;
}
.dialog {
width: 470px;
height: 230px;
padding: 0 25px;
background-color: #ffffff;
margin: 40px auto;
border-radius: 5px;
}
.dialog-header {
height: 70px;
line-height: 70px;
font-size: 20px;
border-bottom: 1px solid #ccc;
position: relative;
}
.dialog-header .close {
position: absolute;
right: 0px;
top: 0px;
cursor: pointer;
}
.dialog-content {
height: 80px;
font-size: 18px;
padding: 15px 0;
}
.dialog-footer {
display: flex;
justify-content: flex-end;
}
.dialog-footer button {
width: 65px;
height: 35px;
background-color: #ffffff;
border: 1px solid #e1e3e9;
cursor: pointer;
outline: none;
margin-left: 10px;
border-radius: 3px;
}
.dialog-footer button:last-child {
background-color: #007acc;
color: #fff;
}
</style>
小结
插槽分类
插槽：作用域插槽
App.vue
<template>
<div>
<MyTable :data="list">
<!-- :data="list" 父传子 -->
<!-- 3.通过template #插槽名="变量名" 接收 -->
<template #default="obj">
<!-- {{ obj }} -->
<button @click="del(obj.row.id)">
<!-- -->
删除
</button>
</template>
</MyTable>
<MyTable :data="list2">
<template #default="{row}">
<button @click="show(row)">查看</button>
</template>
</MyTable>
</div>
</template>
<script>
import MyTable from './components/MyTable.vue'
export default {
data () {
return {
list: [
{ id: 1, name: '张小花', age: 18 },
{ id: 2, name: '孙大明', age: 19 },
{ id: 3, name: '刘德忠', age: 17 },
],
list2: [
{ id: 1, name: '赵小云', age: 18 },
{ id: 2, name: '刘蓓蓓', age: 19 },
{ id: 3, name: '姜肖泰', age: 17 },
]
}
},
methods:{
del(id){
this.list = this.list.filter(item => item.id !== id)
// console.log(id)
},
show(row){
// console.log(row)
alert(`姓名:${row.name};年纪:${row.age}`)
}
},
components: {
MyTable
}
}
</script>
MyTable.vue
<template>
<table class="my-table">
<thead>
<tr>
<th>序号</th>
<th>姓名</th>
<th>年纪</th>
<th>操作</th>
</tr>
</thead>
<tbody v-for="(item,index) in data" :key="item.id">
<tr>
<td>{{ index +1 }}</td>
<td>{{ item.name }}</td>
<td>{{ item.age }}</td>
<td>
<!--1. 给slot标签，以添加属性的方式传值 -->
<slot :row="item" msg="测试文本"></slot>
<!-- 2.将所有属性添加到一个对象中 -->
<!--
{
row:{ id:2, name:'孙大明'， age；19}，
msg:'测试文本'
}
-->
</td>
</tr>
</tbody>
</table>
</template>
<script>
export default {
props: {
data: Array,
},
}
</script>
<style scoped>
.my-table {
width: 450px;
text-align: center;
border: 1px solid #ccc;
font-size: 24px;
margin: 30px auto;
}
.my-table thead {
background-color: #1f74ff;
color: #fff;
}
.my-table thead th {
font-weight: normal;
}
.my-table thead tr {
line-height: 40px;
}
.my-table th,
.my-table td {
border-bottom: 1px solid #ccc;
border-right: 1px solid #ccc;
}
.my-table td:last-child {
border-right: none;
}
.my-table tr:last-child td {
border-bottom: none;
}
.my-table button {
width: 65px;
height: 35px;
font-size: 18px;
border: 1px solid #ccc;
outline: none;
border-radius: 3px;
cursor: pointer;
background-color: #ffffff;
margin-left: 5px;
}
</style>
小结
