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- <!-- 基于 ruoyi-vue3 的 Pagination 重构,核心是简化无用的属性,并使用 ts 重写 -->
- <template>
- <el-pagination
- v-show="+total > 0"
- v-model:current-page="currentPage"
- v-model:page-size="pageSize"
- :background="true"
- :page-sizes="[10, 20, 30, 50, 100]"
- :pager-count="pagerCount"
- :total="+total"
- :small="isSmall"
- class="float-right mb-15px mt-15px"
- layout="total, sizes, prev, pager, next, jumper"
- @size-change="handleSizeChange"
- @current-change="handleCurrentChange"
- />
- </template>
- <script lang="ts" setup>
- import { computed, watchEffect } from 'vue'
- import { useAppStore } from '@/store/modules/app'
- defineOptions({ name: 'Pagination' })
- // 此处解决了当全局size为small的时候分页组件样式太大的问题
- const appStore = useAppStore()
- const layoutCurrentSize = computed(() => appStore.currentSize)
- const isSmall = ref<boolean>(layoutCurrentSize.value === 'small')
- watchEffect(() => {
- isSmall.value = layoutCurrentSize.value === 'small'
- })
- const props = defineProps({
- // 总条目数
- total: {
- required: true,
- type: [Number, String]
- },
- // 当前页数:pageNo
- page: {
- type: Number,
- default: 1
- },
- // 每页显示条目个数:pageSize
- limit: {
- type: Number,
- default: 20
- },
- // 设置最大页码按钮数。 页码按钮的数量,当总页数超过该值时会折叠
- // 移动端页码按钮的数量端默认值 5
- pagerCount: {
- type: Number,
- default: document.body.clientWidth < 992 ? 5 : 7
- }
- })
- const emit = defineEmits(['update:page', 'update:limit', 'pagination'])
- const currentPage = computed({
- get() {
- return props.page
- },
- set(val) {
- // 触发 update:page 事件,更新 limit 属性,从而更新 pageNo
- emit('update:page', val)
- }
- })
- const pageSize = computed({
- get() {
- return props.limit
- },
- set(val) {
- // 触发 update:limit 事件,更新 limit 属性,从而更新 pageSize
- emit('update:limit', val)
- }
- })
- const handleSizeChange = (val) => {
- // 如果修改后超过最大页面,强制跳转到第 1 页
- if (currentPage.value * val > +props.total) {
- currentPage.value = 1
- }
- // 触发 pagination 事件,重新加载列表
- emit('pagination', { page: currentPage.value, limit: val })
- }
- const handleCurrentChange = (val) => {
- // 触发 pagination 事件,重新加载列表
- emit('pagination', { page: val, limit: pageSize.value })
- }
- </script>
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