page.vue
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<template>
<ul :class="simpleWrapClasses" v-if="simple">
<li
title="上一页"
:class="prevClasses"
@click="prev">
<a><i class="ivu-icon ivu-icon-ios-arrow-left"></i></a>
</li>
<div :class="simplePagerClasses" :title="current + '/' + allPages">
<input
type="text"
:value="current"
@keydown="keyDown"
@keyup="keyUp"
@change="keyUp">
<span>/</span>
{{ allPages }}
</div>
<li
title="下一页"
:class="nextClasses"
@click="next">
<a><i class="ivu-icon ivu-icon-ios-arrow-right"></i></a>
</li>
</ul>
<ul :class="wrapClasses" v-else>
<span :class="[`${prefixCls}-total`]" v-if="showTotal">
<slot>共 {{ total }} 条</slot>
</span>
<li
title="上一页"
:class="prevClasses"
@click="prev">
<a><i class="ivu-icon ivu-icon-ios-arrow-left"></i></a>
</li>
<li title="第一页" :class="[`${prefixCls}-item`,{[`${prefixCls}-item-active`]: current == 1}]" @click="changePage(1)"><a>1</a></li>
<li title="向前 5 页" v-if="current - 3 > 1" :class="[`${prefixCls}-item-jump-prev`]" @click="fastPrev"><a><i class="ivu-icon ivu-icon-ios-arrow-left"></i></a></li>
<li :title="current - 2" v-if="current - 2 > 1" :class="[`${prefixCls}-item`]" @click="changePage(current - 2)"><a>{{ current - 2 }}</a></li>
<li :title="current - 1" v-if="current - 1 > 1" :class="[`${prefixCls}-item`]" @click="changePage(current - 1)"><a>{{ current - 1 }}</a></li>
<li :title="current" v-if="current != 1 && current != allPages" :class="[`${prefixCls}-item`,`${prefixCls}-item-active`]"><a>{{ current }}</a></li>
<li :title="current + 1" v-if="current + 1 < allPages" :class="[`${prefixCls}-item`]" @click="changePage(current + 1)"><a>{{ current + 1 }}</a></li>
<li :title="current + 2" v-if="current + 2 < allPages" :class="[`${prefixCls}-item`]" @click="changePage(current + 2)"><a>{{ current + 2 }}</a></li>
<li title="向后 5 页" v-if="current + 3 < allPages" :class="[`${prefixCls}-item-jump-next`]" @click="fastNext"><a><i class="ivu-icon ivu-icon-ios-arrow-right"></i></a></li>
<li :title="'最后一页:' + allPages" v-if="allPages > 1" :class="[`${prefixCls}-item`, {[`${prefixCls}-item-active`]: current == allPages}]" @click="changePage(allPages)"><a>{{ allPages }}</a></li>
<li
title="下一页"
:class="nextClasses"
@click="next">
<a><i class="ivu-icon ivu-icon-ios-arrow-right"></i></a>
</li>
<Options
:show-sizer="showSizer"
:page-size="pageSize"
:page-size-opts="pageSizeOpts"
:show-elevator="showElevator"
:_current.once="current"
:current.sync="current"
:all-pages="allPages"
:is-small="isSmall"
@on-size="onSize"
@on-page="onPage">
</Options>
</ul>
</template>
<script>
import { oneOf } from '../../utils/assist';
import Options from './options.vue';
const prefixCls = 'ivu-page';
export default {
components: { Options },
props: {
current: {
type: Number,
default: 1
},
total: {
type: Number,
default: 0
},
pageSize: {
type: Number,
default: 10
},
pageSizeOpts: {
type: Array,
default () {
return [10, 20, 30, 40]
}
},
size: {
validator (value) {
return oneOf(value, ['small']);
}
},
simple: {
type: Boolean,
default: false
},
showTotal: {
type: Boolean,
default: false
},
showElevator: {
type: Boolean,
default: false
},
showSizer: {
type: Boolean,
default: false
}
},
data () {
return {
prefixCls: prefixCls
}
},
computed: {
isSmall () {
return !!this.size;
},
allPages () {
const allPage = Math.ceil(this.total / this.pageSize);
return (allPage === 0) ? 1 : allPage;
},
simpleWrapClasses () {
return [
`${prefixCls}`,
`${prefixCls}-simple`
]
},
simplePagerClasses () {
return `${prefixCls}-simple-pager`;
},
wrapClasses () {
return [
`${prefixCls}`,
{
'mini': !!this.size
}
]
},
prevClasses () {
return [
`${prefixCls}-prev`,
{
[`${prefixCls}-disabled`]: this.current == 1
}
]
},
nextClasses () {
return [
`${prefixCls}-next`,
{
[`${prefixCls}-disabled`]: this.current == this.allPages
}
]
}
},
methods: {
changePage (page) {
if (this.current != page) {
this.current = page;
this.$emit('on-change', page);
}
},
prev () {
const current = this.current;
if (current <= 1) {
return false;
}
this.changePage(current - 1);
},
next () {
const current = this.current;
if (current >= this.allPages) {
return false;
}
this.changePage(current + 1);
},
fastPrev () {
const page = this.current - 5;
if (page > 0) {
this.changePage(page);
} else {
this.changePage(1);
}
},
fastNext () {
const page = this.current + 5;
if (page > this.allPages) {
this.changePage(this.allPages);
} else {
this.changePage(page);
}
},
onSize (pageSize) {
this.pageSize = pageSize;
this.changePage(1);
},
onPage (page) {
this.changePage(page);
},
keyDown (e) {
const key = e.keyCode;
const condition = (key >= 48 && key <= 57) || key == 8 || key == 37 || key == 39;
if (!condition) {
e.preventDefault();
}
},
keyUp (e) {
const key = e.keyCode;
const val = parseInt(e.target.value);
if (key === 38) {
this.prev()
} else if (key === 40) {
this.next()
} else if (key == 13) {
let page = 1;
if (val > this.allPages) {
page = this.allPages;
} else if (val <= 0) {
page = 1;
} else {
page = val;
}
e.target.value = page;
this.changePage(page);
}
}
}
}
</script>