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vue页码.html
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vue页码.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.pager-wrapper {
margin-top: 15px;
text-align: center;
}
.pager-pages {
display: inline-block;
height: 32px;
font-size: 0;
}
.pager-wrapper a,
.pager-wrapper strong {
display: inline-block;
min-width: 32px;
height: 32px;
padding: 0 10px;
margin: 0 2px;
font-size: 14px;
line-height: 32px;
text-align: center;
color: #222;
}
.pager-wrapper a {
border: 1px solid #ddd;
border-radius: 2px;
background-color: #fff;
transition: all .2s;
}
.pager-wrapper a:hover {
color: rgb(33, 150, 243);
border-color: rgb(33, 150, 243);
}
.pager-wrapper .active {
background-color: rgb(33, 150, 243);
color: #fff;
border-color: rgb(33, 150, 243);
}
.pager-wrapper .active:hover {
color: #fff;
}
.pager-jump {
display: inline-block;
height: 32px;
margin-left: 20px;
}
.pager-jump span {
line-height: 32px;
}
.pager-jump em {
margin: 0 5px;
font-style: normal;
}
.pager-jump .jump-input {
width: 60px;
height: 32px;
padding: 5px;
outline: none;
border: 1px solid #ddd;
font-size: 14px;
vertical-align: top;
}
.pager-jump .jump-input:focus {
border-color: rgb(33, 150, 243);
}
</style>
</head>
<body>
<div id="app">
<div class="pager-wrapper" v-if="totalPage > 0">
<div class="pager-pages">
<a v-show="currentPage > 1 && showPrev" @click="go(currentPage - 1)">上一页</a>
<a :class="{active: currentPage == 1 ? true : false}" @click="go(1)">1</a>
<strong v-show="pages[0] > 2">...</strong>
<a v-for="page in pages" :class="{active: currentPage == page ? true : false}" @click="go(page)">{{page}}</a>
<strong v-show="pages[pages.length-1] < totalPage - 1">...</strong>
<a v-if="totalPage > 1" :class="{active: currentPage == totalPage ? true : false}" @click="go(totalPage)">{{totalPage}}</a>
<a v-show="currentPage < totalPage && showNext" @click="go(currentPage + 1)">下一页</a>
</div>
<div v-if="showJump" v-show="totalPage > 1" class="pager-jump">
<span>共
<em class="jump-total">{{totalPage}}</em>页 ，跳至</span>
<input type="number" min="1" :max="totalPage" v-model="jumpPage" class="jump-input">
<span>页</span>
<a @click="go(jumpPage)">确定</a>
</div>
</div>
</div>
<script src="https://cdn.bootcss.com/vue/2.5.15/vue.min.js"></script>
<script>
/*
* component pager 翻页页码组件
*/
var vm = new Vue({
el:"#app",
data:{
currentPage: 1,
jumpPage: 0,
totalPage: 10, // 总页数
showItems: 3, // 显示出来的页数，如: 1 ... 34[5]67 ... 10
showPrev: true, // 是否显示“上一页”
showNext: true, // 是否显示“下一页”
showJump: true, // 是否显示“跳转”
initPage: 3,
mode: 'event', // 'event' | 'query' | 'params',
routeName: ""
},
created() {
this.currentPage = this.initPage
if (this.mode == 'params' && !this.routeName) {
throw 'need a route name when choose params mode in pager component'
}
},
computed: {
pages() {
// 根据起始页码和结束页码得到页码数组
let getPages = (start, end) => {
if (start <= 1 || start > end || start >= this.totalPage) {
start = 2
}
if (end >= this.totalPage || end < start || end <= 1) {
end = this.totalPage - 1
}
let arr = []
for (let i = start; i <= end; i++) {
arr.push(i)
}
return arr
}
let counts = this.showItems
if (this.totalPage < counts + 2) {
return getPages(2, this.totalPage)
} else {
if (this.currentPage <= Math.ceil(counts / 2)) {
return getPages(2, counts)
} else if (this.currentPage >= this.totalPage - Math.floor(counts / 2)) {
return getPages(this.totalPage + 1 - counts, this.totalPage - 1)
} else {
let half = Math.ceil(counts / 2) - 1
let end = this.currentPage + half
if (counts % 2 === 0) {
end++
}
return getPages(this.currentPage - half, end)
}
}
}
},
methods: {
go(page) {
if (page < 1) {
page = 1
}
if (page > this.totalPage) {
page = this.totalPage
}
if (page === this.currentPage) {
return
}
this.currentPage = parseInt(page, 10)
if (this.mode == 'query') {
let query = this.$route.query
query.page = this.currentPage
this.$router.go({ query: query })
} else if (this.mode == 'params') {
let params = this.$route.params
params.page = this.currentPage
this.$router.go({ name: this.routeName, params: params })
} else {
this.$emit('go-page', {
page: this.currentPage
})
}
}
},
watch: {
currentPage(newVal) {
this.jumpPage = newVal
},
initPage(newVal) {
if (this.currentPage !== newVal) {
this.currentPage = newVal
}
}
}
})
</script>
</body>
</html>