572 lines
15 KiB
Vue
572 lines
15 KiB
Vue
<script setup lang="ts">
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import {computed, nextTick, ref, watch} from 'vue';
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import Input from '../Input/Input.vue';
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import Select from '../Select/Select.vue';
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interface Props {
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page?: number // (v-model) 当前页数
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pageSize?: number // (v-model) 每页条数
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total?: number // 数据总数
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disabled?: boolean // 是否禁用
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pageAmount?: number // 显示的页码数
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hideOnSinglePage?: boolean // 只有一页时是否隐藏分页
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showQuickJumper?: boolean // 是否可以快速跳转至某页
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showSizeChanger?: boolean // 是否展示 pageSize 切换器，当 total 大于 50 时默认为 true
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pageSizeOptions?: string[] | number[] // 设置每页可以显示多少条
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showTotal?: boolean | ((total: number, range: number[]) => string) // 用于显示数据总量和当前数据顺序
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placement?: 'left' | 'center' | 'right' // 分页展示位置，靠左 left，居中 center，靠右 right
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}
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const props = withDefaults(defineProps<Props>(), {
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page: 1,
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pageSize: 10,
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total: 0,
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disabled: false,
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pageAmount: 5,
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hideOnSinglePage: false,
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showQuickJumper: false,
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showSizeChanger: undefined,
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pageSizeOptions: () => [10, 20, 50, 100],
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showTotal: false,
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placement: 'center'
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});
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const currentPage = ref(props.page); // 当前 page
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const currentPageSize = ref(props.pageSize); // 当前 pageSize
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const jumpNumber = ref(); // 跳转的页码
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const forwardMore = ref(false); // 左省略号展示
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const backwardMore = ref(false); // 右省略号展示
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const emits = defineEmits(['update:page', 'update:pageSize', 'change', 'pageSizeChange']);
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const totalPage = computed(() => {
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// 总页数
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return Math.ceil(props.total / currentPageSize.value); // 向上取整
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});
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const totalText = computed(() => {
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if (typeof props.showTotal === 'boolean') {
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if (props.showTotal) {
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return `共 ${props.total} 条`;
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}
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} else {
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const first = (currentPage.value - 1) * currentPageSize.value + 1;
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const last =
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currentPage.value * currentPageSize.value > props.total ? props.total : currentPage.value * currentPageSize.value;
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return props.showTotal(props.total, [first, last]);
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}
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return null;
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});
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const pageList = computed(() => {
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// 获取显示的页码数组
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return dealPageList(currentPage.value).filter((n) => n !== 1 && n !== totalPage.value);
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});
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const showPageSizeChanger = computed(() => {
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if (typeof props.showSizeChanger === 'boolean') {
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return props.showSizeChanger;
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} else {
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// undefined
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return props.total > 50;
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}
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});
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const selectOptions = computed(() => {
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const pageSizeOptipns = [currentPageSize.value, ...props.pageSizeOptions].map((pageSize: number | string) =>
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Number(pageSize)
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);
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return [...new Set(pageSizeOptipns)]
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.sort((a: number, b: number) => a - b)
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.map((pageSize: number) => {
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return {
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label: `${pageSize} 条/页`,
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value: pageSize
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};
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});
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});
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watch(
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() => props.page,
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(to: number) => {
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currentPage.value = to;
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}
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);
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watch(
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() => props.pageSize,
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(to: number) => {
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currentPageSize.value = to;
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}
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);
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function dealPageList(curPage: number): number[] {
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var resList: number[] = [];
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var offset = Math.floor(props.pageAmount / 2); // 向下取整
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var pager = {
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start: curPage - offset,
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end: curPage + offset
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};
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if (pager.start < 1) {
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pager.end = pager.end + (1 - pager.start);
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pager.start = 1;
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}
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if (pager.end > totalPage.value) {
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pager.start = pager.start - (pager.end - totalPage.value);
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pager.end = totalPage.value;
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}
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if (pager.start < 1) {
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pager.start = 1;
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}
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if (pager.start > 1) {
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forwardMore.value = true;
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} else {
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forwardMore.value = false;
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}
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if (pager.end < totalPage.value) {
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backwardMore.value = true;
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} else {
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backwardMore.value = false;
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}
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// 生成要显示的页码数组
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for (let i: number = pager.start; i <= pager.end; i++) {
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resList.push(i);
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}
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return resList;
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}
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function onPageForward(): void {
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currentPage.value = currentPage.value - props.pageAmount > 0 ? currentPage.value - props.pageAmount : 1;
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emits('update:page', currentPage.value);
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emits('change', currentPage.value, currentPageSize.value);
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}
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function onPageBackward(): void {
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currentPage.value =
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currentPage.value + props.pageAmount < totalPage.value ? currentPage.value + props.pageAmount : totalPage.value;
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emits('update:page', currentPage.value);
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emits('change', currentPage.value, currentPageSize.value);
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}
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async function onPageJump() {
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let num = Number(jumpNumber.value); // 转换为数字
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if (jumpNumber.value && Number.isInteger(num)) {
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// 是否为整数
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if (num < 1) {
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num = 1;
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}
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if (num > totalPage.value) {
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num = totalPage.value;
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}
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onPageChange(num);
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}
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await nextTick();
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jumpNumber.value = undefined; // 清空跳转输入框
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}
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function onPageChange(page: number): boolean | void {
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if (page === 0 || page === totalPage.value + 1) {
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return false;
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}
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if (currentPage.value !== page) {
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// 点击的页码不是当前页码
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currentPage.value = page;
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emits('update:page', currentPage.value);
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emits('change', currentPage.value, currentPageSize.value);
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}
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}
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function onPageSizeChange(pageSize: number) {
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currentPageSize.value = pageSize;
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const maxPage = Math.ceil(props.total / pageSize);
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if (currentPage.value > maxPage) {
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currentPage.value = maxPage;
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}
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emits('update:page', currentPage.value);
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emits('update:pageSize', currentPageSize.value);
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emits('pageSizeChange', currentPage.value, currentPageSize.value);
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emits('change', currentPage.value, currentPageSize.value);
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}
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</script>
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<template>
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<div
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class="m-pagination"
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:class="[
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`pagination-${placement}`,
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{
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'pagination-disabled': disabled,
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'pagination-hidden': !total || (hideOnSinglePage && total <= currentPageSize)
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}
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]"
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>
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<span class="pagination-total-text" v-if="totalText">{{ totalText }}</span>
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<span
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tabindex="0"
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class="pagination-prev"
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:class="{ 'item-disabled': currentPage === 1 }"
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@keydown.enter.prevent="disabled ? () => false : onPageChange(currentPage - 1)"
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@click="disabled || currentPage === 1 ? () => false : onPageChange(currentPage - 1)"
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>
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<svg
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class="arrow-svg"
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viewBox="64 64 896 896"
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data-icon="left"
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width="1em"
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height="1em"
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fill="currentColor"
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aria-hidden="true"
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focusable="false"
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>
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<path
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d="M724 218.3V141c0-6.7-7.7-10.4-12.9-6.3L260.3 486.8a31.86 31.86 0 0 0 0 50.3l450.8 352.1c5.3 4.1 12.9.4 12.9-6.3v-77.3c0-4.9-2.3-9.6-6.1-12.6l-360-281 360-281.1c3.8-3 6.1-7.7 6.1-12.6z"
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></path>
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</svg>
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</span>
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<span
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tabindex="0"
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:class="['pagination-item', { 'item-active': currentPage === 1 }]"
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@click="disabled ? () => false : onPageChange(1)"
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>
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1
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</span>
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<span
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v-show="forwardMore && pageList[0] - 1 > 1"
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tabindex="0"
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ref="forward"
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class="pagintion-item-link"
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@click="disabled ? () => false : onPageForward()"
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>
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<span class="u-ellipsis">•••</span>
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<svg class="u-icon" viewBox="64 64 896 896" data-icon="double-left" aria-hidden="true" focusable="false">
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<path
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d="M272.9 512l265.4-339.1c4.1-5.2.4-12.9-6.3-12.9h-77.3c-4.9 0-9.6 2.3-12.6 6.1L186.8 492.3a31.99 31.99 0 0 0 0 39.5l255.3 326.1c3 3.9 7.7 6.1 12.6 6.1H532c6.7 0 10.4-7.7 6.3-12.9L272.9 512zm304 0l265.4-339.1c4.1-5.2.4-12.9-6.3-12.9h-77.3c-4.9 0-9.6 2.3-12.6 6.1L490.8 492.3a31.99 31.99 0 0 0 0 39.5l255.3 326.1c3 3.9 7.7 6.1 12.6 6.1H836c6.7 0 10.4-7.7 6.3-12.9L576.9 512z"
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></path>
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</svg>
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</span>
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<span
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tabindex="0"
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:class="['pagination-item', { 'item-active': currentPage === page }]"
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v-for="(page, index) in pageList"
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:key="index"
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@click="disabled ? () => false : onPageChange(page)"
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>
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{{ page }}
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</span>
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<span
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v-show="backwardMore && pageList[pageList.length - 1] + 1 < totalPage"
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tabindex="0"
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ref="backward"
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class="pagintion-item-link"
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@click="disabled ? () => false : onPageBackward()"
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>
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<span class="u-ellipsis">•••</span>
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<svg class="u-icon" viewBox="64 64 896 896" data-icon="double-right" aria-hidden="true" focusable="false">
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<path
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d="M533.2 492.3L277.9 166.1c-3-3.9-7.7-6.1-12.6-6.1H188c-6.7 0-10.4 7.7-6.3 12.9L447.1 512 181.7 851.1A7.98 7.98 0 0 0 188 864h77.3c4.9 0 9.6-2.3 12.6-6.1l255.3-326.1c9.1-11.7 9.1-27.9 0-39.5zm304 0L581.9 166.1c-3-3.9-7.7-6.1-12.6-6.1H492c-6.7 0-10.4 7.7-6.3 12.9L751.1 512 485.7 851.1A7.98 7.98 0 0 0 492 864h77.3c4.9 0 9.6-2.3 12.6-6.1l255.3-326.1c9.1-11.7 9.1-27.9 0-39.5z"
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></path>
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</svg>
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</span>
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<span
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v-show="totalPage !== 1"
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tabindex="0"
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:class="['pagination-item', { 'item-active': currentPage === totalPage }]"
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@click="disabled ? () => false : onPageChange(totalPage)"
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>
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{{ totalPage }}
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</span>
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<span
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tabindex="0"
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class="pagination-next"
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:class="{ 'item-disabled': currentPage === totalPage }"
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@keydown.enter.prevent="disabled ? () => false : onPageChange(currentPage + 1)"
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@click="disabled || currentPage === totalPage ? () => false : onPageChange(currentPage + 1)"
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>
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<svg
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class="arrow-svg"
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viewBox="64 64 896 896"
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data-icon="right"
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width="1em"
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height="1em"
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fill="currentColor"
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aria-hidden="true"
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focusable="false"
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>
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<path
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d="M765.7 486.8L314.9 134.7A7.97 7.97 0 0 0 302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 0 0 0-50.4z"
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></path>
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</svg>
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</span>
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<span class="m-pagination-options" v-if="showPageSizeChanger || showQuickJumper">
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<Select
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v-if="showPageSizeChanger"
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:class="{ mr8: showQuickJumper }"
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:disabled="disabled"
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:options="selectOptions"
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@change="onPageSizeChange"
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v-model="currentPageSize"
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/>
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<span class="pagination-jump-page" v-if="showQuickJumper">
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跳至<Input
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:width="50"
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:disabled="disabled"
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v-model:value.lazy="jumpNumber"
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@change="onPageJump"
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@enter="onPageJump"
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/>页
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</span>
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</span>
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</div>
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</template>
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<style lang="less" scoped>
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.m-pagination {
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display: flex;
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align-items: center;
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font-size: 14px;
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color: rgba(0, 0, 0, 0.88);
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line-height: 1.5714285714285714;
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.pagination-total-text {
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display: inline-block;
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height: 32px;
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margin-right: 8px;
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line-height: 32px;
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}
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.pagination-item {
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display: inline-block;
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text-align: center;
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min-width: 32px;
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height: 32px;
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line-height: 30px;
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border: 1px solid #d9d9d9;
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border-radius: 6px;
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background: #fff;
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margin-right: 8px;
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cursor: pointer;
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outline: none;
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user-select: none; // 禁止选取文本
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transition: all 0.2s;
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&:hover {
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.item-active();
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}
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}
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.pagination-prev,
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.pagination-next {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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min-width: 32px;
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height: 32px;
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line-height: 30px;
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border: 1px solid #d9d9d9;
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border-radius: 6px;
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background: #fff;
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cursor: pointer;
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outline: none;
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user-select: none; // 禁止选取文本
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transition: all 0.2s;
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.arrow-svg {
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display: inline-block;
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font-size: 12px;
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color: rgba(0, 0, 0, 0.65);
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fill: currentColor;
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transition: color 0.2s;
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}
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&:hover {
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border-color: #00aced;
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.arrow-svg {
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color: #00aced;
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}
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}
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}
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.pagination-prev {
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margin-right: 8px;
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}
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.item-active {
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// 悬浮/选中样式
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font-weight: 600;
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color: #00aced;
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border-color: #00aced;
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}
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.item-disabled {
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color: rgba(0, 0, 0, 0.25);
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background: #fff;
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border-color: #d9d9d9;
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cursor: not-allowed;
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&:hover {
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font-weight: 400;
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color: rgba(0, 0, 0, 0.65);
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border-color: #d9d9d9;
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.arrow-svg {
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color: rgba(0, 0, 0, 0.25);
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}
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}
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.arrow-svg {
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color: rgba(0, 0, 0, 0.25);
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}
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}
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.pagintion-item-link {
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position: relative;
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display: inline-block;
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margin-right: 8px;
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min-width: 32px;
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height: 32px;
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line-height: 32px;
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cursor: pointer;
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outline: none;
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.u-ellipsis {
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position: absolute;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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margin: auto;
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color: rgba(0, 0, 0, 0.25);
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font-family: Arial, Helvetica, sans-serif;
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line-height: 32px;
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letter-spacing: 2px;
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text-align: center;
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text-indent: 0.13em;
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opacity: 1;
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transition: all 0.2s;
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}
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.u-icon {
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position: absolute;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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margin: auto;
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display: inline-block;
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fill: #000;
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width: 12px;
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height: 12px;
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opacity: 0;
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pointer-events: none;
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transition: all 0.2s;
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}
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&:hover {
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.u-ellipsis {
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opacity: 0;
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pointer-events: none;
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}
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.u-icon {
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opacity: 1;
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pointer-events: auto;
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}
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}
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}
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.m-pagination-options {
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display: inline-block;
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margin-left: 16px;
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.mr8 {
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margin-right: 8px;
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}
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.pagination-jump-page {
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display: inline-block;
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height: 32px;
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line-height: 32px;
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.m-input-wrap {
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margin: 0 8px;
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height: 32px;
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line-height: 30px;
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}
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}
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}
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}
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.pagination-left {
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justify-content: flex-start;
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}
|
||
|
||
.pagination-center {
|
||
justify-content: center;
|
||
}
|
||
|
||
.pagination-right {
|
||
justify-content: flex-end;
|
||
}
|
||
|
||
.pagination-disabled {
|
||
.pagination-prev,
|
||
.pagination-next {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
border-color: rgba(0, 0, 0, 0.25);
|
||
cursor: not-allowed;
|
||
|
||
.arrow-svg {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
}
|
||
|
||
&:hover {
|
||
border-color: rgba(0, 0, 0, 0.25);
|
||
|
||
.arrow-svg {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
}
|
||
}
|
||
}
|
||
|
||
.pagination-item {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
border-color: rgba(0, 0, 0, 0.25);
|
||
cursor: not-allowed;
|
||
|
||
&:hover {
|
||
font-weight: normal;
|
||
color: rgba(0, 0, 0, 0.25);
|
||
border-color: rgba(0, 0, 0, 0.25);
|
||
}
|
||
}
|
||
|
||
.item-active {
|
||
border-color: #d9d9d9;
|
||
background-color: rgba(0, 0, 0, 0.15);
|
||
|
||
&:hover {
|
||
font-weight: 600;
|
||
color: rgba(0, 0, 0, 0.25);
|
||
border-color: #d9d9d9;
|
||
background-color: rgba(0, 0, 0, 0.15);
|
||
}
|
||
}
|
||
|
||
.pagintion-item-link {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
cursor: not-allowed;
|
||
|
||
&:hover {
|
||
.u-ellipsis {
|
||
opacity: 1;
|
||
pointer-events: none;
|
||
}
|
||
|
||
.u-icon {
|
||
opacity: 0;
|
||
pointer-events: none;
|
||
}
|
||
}
|
||
}
|
||
|
||
.m-pagination-options {
|
||
color: rgba(0, 0, 0, 0.25);
|
||
cursor: not-allowed;
|
||
}
|
||
}
|
||
|
||
.pagination-hidden {
|
||
display: none;
|
||
}
|
||
</style>
|