From acf4757144f7f45434339025150ebce638d8ccda Mon Sep 17 00:00:00 2001
From: caojia <1301869380@qq.com>
Date: Tue, 20 Oct 2026 15:38:43 +0800
Subject: [PATCH] =?UTF-8?q?:bug:=20=E4=BF=AE=E5=A4=8D=E8=B4=A6=E5=8D=95?=
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---
 .../ar/bill/components/GenerateBillDialog.vue      | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue b/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
index 2382cb29..0fc159b2 100644
--- a/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
+++ b/bms-front/src/views/ar/bill/components/GenerateBillDialog.vue
@@ -318,21 +318,23 @@ function queryGeneratePreview() {
     const query = buildGenerateQuery()
     resetPreview()
     previewQuery.value = query
-    fetchPreview()
+    fetchPreview(true)
   })
 }
 
-function fetchPreview() {
+function fetchPreview(initializeSelectionMode = false) {
   previewLoading.value = true
   previewArBill(buildPreviewQuery()).then(res => {
     syncingPageSelection = true
     previewRows.value = res.rows || []
     previewTotal.value = Number(res.total) || 0
     previewTotalAmount.value = Number(res.totalAmount) || 0
-    // 查询到可生成订单后默认采用“全选查询结果”模式；如需排除订单，再通过排除入口维护。
-    selectionMode.value = previewTotal.value > 0
-      ? AR_BILL_SELECTION_MODE.ALL_MATCHED
-      : AR_BILL_SELECTION_MODE.EXPLICIT
+    // 仅首次查询默认全选；翻页请求保留用户当前的选择模式。
+    if (initializeSelectionMode) {
+      selectionMode.value = previewTotal.value > 0
+        ? AR_BILL_SELECTION_MODE.ALL_MATCHED
+        : AR_BILL_SELECTION_MODE.EXPLICIT
+    }
     previewSearched.value = true
     nextTick(syncPageSelection)
   }).finally(() => {