fix: Table组件开启checkOnItemClick后无法限制选择上限问题 (#5632)

packages/amis-core/src/store/table.ts

@@ -202,6 +202,40 @@ export const Row = types
       return table && table.itemDraggableOn
         ? evalExpression(table.itemDraggableOn, (self as IRow).locals)
         : true;
+    },
+
+    /**
+     * 判断当前行点击后是否应该继续触发check
+     * 用于限制checkOnItemClick触发的check事件
+     */
+    get isCheckAvaiableOnClick(): boolean {
+      const table = getParent(self, self.depth * 2) as ITableStore;
+      const keepItemSelectionOnPageChange =
+        table?.keepItemSelectionOnPageChange;
+      const selectionUpperLimit = table?.maxKeepItemSelectionLength;
+
+      // 如果未做配置，或者配置不合法直接通过检查
+      if (
+        !keepItemSelectionOnPageChange ||
+        !Number.isInteger(selectionUpperLimit)
+      ) {
+        return true;
+      }
+
+      // 使用内置ID，不会重复
+      const selectedIds = (table?.selectedRows ?? []).map(
+        (item: IRow) => item.id
+      );
+      // 此时syncSelected还没有触发，所以需要比较点击之后的数量
+      const selectedCount = selectedIds.includes(self.id)
+        ? selectedIds.length - 1
+        : selectedIds.length + 1;
+
+      if (selectedCount > selectionUpperLimit) {
+        return false;
+      }
+
+      return true;
     }
   }))
   .actions(self => ({
@@ -688,7 +722,8 @@ export const TableStore = iRendererStore
         return getHovedRow();
       },
 
-      get disabledHeadCheckbox() {
+      /** 已选择item是否达到数量上限 */
+      get isSelectionThresholdReached() {
         const selectedLength = self.data?.selectedItems?.length;
         const maxLength = self.maxKeepItemSelectionLength;
 
@@ -696,7 +731,7 @@ export const TableStore = iRendererStore
           return false;
         }
 
-        return maxLength === selectedLength;
+        return maxLength <= selectedLength;
       },
 
       get firstToggledColumnIndex() {

packages/amis/src/renderers/Table/TableRow.tsx

@@ -1,12 +1,13 @@
 import {observer} from 'mobx-react';
 import React from 'react';
+import uniq from 'lodash/uniq';
 import type {IColumn, IRow} from 'amis-core/lib/store/table';
 import {RendererProps} from 'amis-core';
 import {Action} from '../Action';
 import {isClickOnInput, createObject} from 'amis-core';
 
 interface TableRowProps extends Pick<RendererProps, 'render'> {
-  onCheck: (item: IRow) => void;
+  onCheck: (item: IRow) => Promise<void>;
   classPrefix: string;
   renderCell: (
     region: string,
@@ -42,7 +43,8 @@ export class TableRow extends React.Component<TableRowProps> {
       return;
     }
 
-    const {itemAction, onAction, item, data, dispatchEvent} = this.props;
+    const {itemAction, onAction, item, data, dispatchEvent, onCheck} =
+      this.props;
 
     const rendererEvent = await dispatchEvent(
       'rowClick',
@@ -59,7 +61,9 @@ export class TableRow extends React.Component<TableRowProps> {
       onAction && onAction(e, itemAction, item?.data);
       item.toggle();
     } else {
-      this.props.onCheck(this.props.item);
+      if (item.checkable && item.isCheckAvaiableOnClick) {
+        onCheck?.(item);
+      }
     }
   }
 

packages/amis/src/renderers/Table/index.tsx

@@ -1876,7 +1876,7 @@ export default class Table extends React.Component<TableProps, object> {
               classPrefix={ns}
               partial={store.someChecked && !store.allChecked}
               checked={store.someChecked}
-              disabled={store.disabledHeadCheckbox}
+              disabled={store.isSelectionThresholdReached}
               onChange={this.handleCheckAll}
             />
           ) : (