1.主页面
<template>
<div class="list">
<template v-if="count">
555555
<ul>
<li v-for="item in items">{{item}}</li>
</ul>
<mo-paging
:page-index="currentPage"
:total="count"
:page-size="pageSize"
@change="pageChange">
</mo-paging>
</template>
</div>
</template>
<script>
import MoPaging from './pages'
export default {
//显示的声明组件
components : {
MoPaging
},
data () {
return {
pageSize : 3 , //每页显示20条数据
currentPage : 1, //当前页码
count : 0, //总记录数
items : []
}
},
methods : {
//获取数据
getList () {
var _this=this
//模拟
let url = `http://127.0.0.1/ceshi/list.php?pageSize=${this.pageSize}¤tPage=${this.currentPage}`
$.ajax({
type: "post",
url:url,
data:{aa:1},
datatype:'json',
error: function(request) {
alert("Connection err是是是or");
},
success: function(body) {
body=JSON.parse(body);
console.log(body.count)
_this.count = body.count
console.log(body)
_this.items = body.list
}
}); }, //从page组件传递过来的当前page
pageChange (page) {
this.currentPage = page
this.getList()
}
},
mounted() {
//请求第一页数据
this.getList()
}
}
</script>
2，插件文件（包含的pages.js文件）
<script>
export default {
name : 'MoPaging',
//通过props来接受从父组件传递过来的值
props : { //页面中的可见页码，其他的以...替代, 必须是奇数
perPages : {
type : Number,
default : 5
}, //当前页码
pageIndex : {
type : Number,
default : 1
}, //每页显示条数
pageSize : {
type : Number,
default : 10
}, //总记录数
total : {
type : Number,
default : 1
}, },
methods : {
prev(){
if (this.index > 1) {
this.go(this.index - 1)
}
},
next(){
if (this.index < this.pages) {
this.go(this.index + 1)
}
},
first(){
if (this.index !== 1) {
this.go(1)
}
},
last(){
if (this.index != this.pages) {
this.go(this.pages)
}
},
go (page) {
if (this.index !== page) {
this.index = page
//父组件通过change方法来接受当前的页码
this.$emit('change', this.index)
}
}
},
computed : { //计算总页码
pages(){
return Math.ceil(this.size / this.limit)
}, //计算页码，当count等变化时自动计算
pagers () {
const array = []
const perPages = this.perPages
const pageCount = this.pages
let current = this.index
const _offset = (perPages - 1) / 2 const offset = {
start : current - _offset,
end : current + _offset
} //-1, 3
if (offset.start < 1) {
offset.end = offset.end + (1 - offset.start)
offset.start = 1
}
if (offset.end > pageCount) {
offset.start = offset.start - (offset.end - pageCount)
offset.end = pageCount
}
if (offset.start < 1) offset.start = 1 this.showPrevMore = (offset.start > 1)
this.showNextMore = (offset.end < pageCount) for (let i = offset.start; i <= offset.end; i++) {
array.push(i)
} return array
}
},
data () {
return {
index : this.pageIndex, //当前页码
limit : this.pageSize, //每页显示条数
size : this.total || 1, //总记录数
showPrevMore : false,
showNextMore : false
}
},
watch : {
pageIndex(val) {
this.index = val || 1
},
pageSize(val) {
this.limit = val || 10
},
total(val) {
this.size = val || 1
}
}
}
</script>
<template>
<ul class="mo-paging">
<!-- prev -->
<li
:class="['paging-item', 'paging-item--prev', {'paging-item--disabled' : index === 1}]"
@click="prev">prev</li> <!-- first -->
<li
:class="['paging-item', 'paging-item--first', {'paging-item--disabled' : index === 1}]"
@click="first">first</li> <li
:class="['paging-item', 'paging-item--more']"
v-if="showPrevMore">...</li> <li
:class="['paging-item', {'paging-item--current' : index === pager}]"
v-for="pager in pagers"
@click="go(pager)">{{ pager }}</li> <li
:class="['paging-item', 'paging-item--more']"
v-if="showNextMore">...</li> <!-- last -->
<li
:class="['paging-item', 'paging-item--last', {'paging-item--disabled' : index === pages}]"
@click="last">last</li> <!-- next -->
<li
:class="['paging-item', 'paging-item--next', {'paging-item--disabled' : index === pages}]"
@click="next">next</li>
</ul>
</template> <style>
.mo-paging {
display: inline-block;
padding: 0;
margin: 1rem 0;
font-size: 0;
list-style: none;
user-select: none;
> .paging-item {
display: inline;
font-size: 14px;
position: relative;
padding: 6px 12px;
line-height: 1.42857143;
text-decoration: none;
border: 1px solid #ccc;
background-color: #fff;
margin-left: -1px;
cursor: pointer;
color: #0275d8;
&:first-child {
margin-left: 0;
}
&:hover {
background-color: #f0f0f0;
color: #0275d8;
}
&.paging-item--disabled,
&.paging-item--more{
background-color: #fff;
color: #505050;
}
//禁用
&.paging-item--disabled {
cursor: not-allowed;
opacity: .75;
}
&.paging-item--more,
&.paging-item--current {
cursor: default;
}
//选中
&.paging-item--current {
background-color: #0275d8;
color:#fff;
position: relative;
z-index: 1;
border-color: #0275d8;
}
}
}
</style>