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fix(Table): 修改 pageSize 时不能同步修改当前页的问题 #6127

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fix(Table): 修改 pageSize 时不能同步修改当前页的问题 #6127

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4086c00
fix(Pagination): improve page size change handling and ensure current…
RSS1102 Nov 4, 2025
47de0a3
fix(Pagination): ensure controlled current value updates and emit cur…
RSS1102 Nov 5, 2025
2f2dc27
fix(Pagination): enhance page size handling and improve current page …
RSS1102 Nov 5, 2025
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66 changes: 38 additions & 28 deletions packages/components/pagination/pagination.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { defineComponent, computed, ref, watch, toRefs, getCurrentInstance } from 'vue';
import { defineComponent, computed, ref, watch, toRefs, getCurrentInstance, nextTick } from 'vue';
import { isNaN, isObject } from 'lodash-es';
import {
PageFirstIcon as TdPageFirstIcon,
Expand Down Expand Up @@ -182,38 +182,48 @@ export default defineComponent({
pageChangeMap[type]();
};

const onSelectorChange: (e: string) => void = (e) => {
if (props.disabled) {
return;
}
const pageSize: number = parseInt(e, 10);
let pageCount = 1;
if (pageSize > 0) {
pageCount = Math.max(Math.ceil(props.total / pageSize), 1);
}
const onSelectorChange = (val: string | number) => {
if (props.disabled) return;

let isIndexChange = false;
const pageSize = Number(val);
const newPageCount = pageSize > 0 ? Math.max(Math.ceil(props.total / pageSize), 1) : 1;
const indexExceeds = innerCurrent.value > newPageCount;
// 用户自主控制
const userControlled = current.value != null && current.value < newPageCount;

if (innerCurrent.value > pageCount) {
isIndexChange = true;
}

/**
* 分页大小变化事件
* @param {Number} pageSize 分页大小
* @param {Number} index 当前页
*/
const pageInfo = {
current: isIndexChange ? pageCount : innerCurrent.value,
// 初始 pageInfo（用于 setInnerPageSize 时传参）
const initialPageInfo = {
current: indexExceeds ? newPageCount : innerCurrent.value,
previous: innerCurrent.value,
pageSize,
};
setInnerPageSize(pageSize, pageInfo);
if (isIndexChange) {
toPage(pageCount, pageInfo);
} else {
props.onChange?.(pageInfo);
}

setInnerPageSize(pageSize, initialPageInfo);

nextTick(() => {
if (indexExceeds) {
// 当当前页索引超过新页数时，需要跳转到合适页
const pageCurrent = userControlled ? newPageCount : innerCurrent.value;
const pageInfo = {
current: pageCurrent,
previous: initialPageInfo.current,
pageSize,
};
toPage(pageCurrent, pageInfo);
props.onChange?.(pageInfo);
} else {
const pageInfo = {
current: innerCurrent.value,
previous: initialPageInfo.current,
pageSize,
};
// 如果在 setInnerPageSize 后 current 被外部受控修改，则触发 currentChange 事件
if (innerCurrent.value !== pageInfo.previous) {
emit('currentChange', innerCurrent.value, pageInfo);
}
props.onChange?.(pageInfo);
}
});
};

const onJumperChange = (val: number) => {
Expand Down
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