提单费用均摊处理

bms-front/src/components/BasicTable/index.vue

@@ -238,6 +238,11 @@ const props = defineProps({
     type: Boolean,
     default: true
   },
+  // 最多勾选条数，0 表示不限制
+  selectionMax: {
+    type: Number,
+    default: 0
+  },
   // 是否显示序号列
   showIndex: {
     type: Boolean,
@@ -436,10 +441,30 @@ function resetQuery() {
   getList()
 }
 
-// 选中变化
+// 选中变化。超过上限时只保留先勾到的行，并同步虚拟表和普通表的勾选状态。
+let cappingSelection = false
 function handleSelectionChange(val) {
-  selectionList.value = val
-  emit('selection-change', val)
+  if (cappingSelection) return
+  const rows = Array.isArray(val) ? val.slice() : []
+  const max = Number(props.selectionMax) || 0
+  if (max > 0 && rows.length > max) {
+    const kept = rows.slice(0, max)
+    cappingSelection = true
+    selectionList.value = kept
+    emit('selection-change', kept)
+    proxy.$modal.msgWarning(`单次最多勾选 ${max} 条`)
+    nextTick(() => {
+      const table = tableRef.value
+      if (table?.toggleRowSelection) {
+        const keys = new Set(kept.map((row) => virtualRowId(row)))
+        tableData.value.forEach((row) => table.toggleRowSelection(row, keys.has(virtualRowId(row))))
+      }
+      cappingSelection = false
+    })
+    return
+  }
+  selectionList.value = rows
+  emit('selection-change', rows)
 }
 const selectionIds = computed(() =>
   selectionList.value.map((r) => (props.rowKey ? r[props.rowKey] : r.id)).filter((v) => v !== undefined)