diff --git a/bms-back/bms-admin/src/main/java/com/bms/web/controller/ar/ArBillController.java b/bms-back/bms-admin/src/main/java/com/bms/web/controller/ar/ArBillController.java
index b2595d2a..06b8d2c9 100644
--- a/bms-back/bms-admin/src/main/java/com/bms/web/controller/ar/ArBillController.java
+++ b/bms-back/bms-admin/src/main/java/com/bms/web/controller/ar/ArBillController.java
@@ -1,5 +1,6 @@
 package com.bms.web.controller.ar;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Date;
 
@@ -31,6 +32,7 @@ import com.bms.ar.domain.ArBillLog;
 import com.bms.ar.domain.vo.ArBillActionRequest;
 import com.bms.ar.domain.vo.ArBillGenerateQuery;
 import com.bms.ar.domain.vo.ArBillGenerateRequest;
+import com.bms.ar.domain.vo.ArBillListExportRow;
 import com.bms.ar.domain.vo.ArBillQuery;
 import com.bms.ar.service.IArBillService;
 import com.bms.common.annotation.Log;
@@ -40,6 +42,7 @@ import com.bms.common.core.page.TableDataInfo;
 import com.bms.common.exception.ServiceException;
 import com.bms.common.enums.BusinessType;
 import com.bms.common.utils.StringUtils;
+import com.bms.common.utils.poi.ExcelUtil;
 import com.bms.common.utils.uuid.IdUtils;
 import com.bms.price.domain.PrcOrderBill;
 
@@ -78,6 +81,23 @@ public class ArBillController extends BaseController {
         return getDataTable(list);
     }
 
+    /**
+     * 按当前筛选条件导出全部应收账单，不受列表分页参数影响。
+     */
+    @PreAuthorize("@ss.hasPermi('ar:bill:export')")
+    @Log(title = "应收账单", businessType = BusinessType.EXPORT)
+    @PostMapping("/export")
+    public void export(HttpServletResponse response, ArBillQuery query, HttpServletRequest request) {
+        rejectMultiValueParameter(request, "customerId");
+        List<ArBill> bills = billService.selectArBillList(query == null ? new ArBillQuery() : query);
+        List<ArBillListExportRow> rows = new ArrayList<>(bills.size());
+        for (ArBill bill : bills) {
+            rows.add(ArBillListExportRow.from(bill));
+        }
+        ExcelUtil<ArBillListExportRow> util = new ExcelUtil<>(ArBillListExportRow.class);
+        util.exportExcel(response, rows, "应收账单");
+    }
+
     /**
      * 查询账单头信息；账单明细通过独立分页接口按需加载。
      */
diff --git a/bms-back/bms-admin/src/main/java/com/bms/web/controller/customer/customermoney/CustomerBillController.java b/bms-back/bms-admin/src/main/java/com/bms/web/controller/customer/customermoney/CustomerBillController.java
index 2ed695b2..fc2e6063 100644
--- a/bms-back/bms-admin/src/main/java/com/bms/web/controller/customer/customermoney/CustomerBillController.java
+++ b/bms-back/bms-admin/src/main/java/com/bms/web/controller/customer/customermoney/CustomerBillController.java
@@ -1,7 +1,9 @@
 package com.bms.web.controller.customer.customermoney;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -13,7 +15,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import com.bms.ar.domain.ArBill;
 import com.bms.ar.domain.ArBalanceWriteoff;
+import com.bms.ar.domain.vo.ArBillListExportRow;
 import com.bms.ar.domain.vo.ArBillQuery;
+import com.bms.ar.domain.vo.ArBillSummary;
 import com.bms.ar.service.IArBalanceWriteoffService;
 import com.bms.ar.service.IArBillService;
 import com.bms.common.annotation.Log;
@@ -21,6 +25,7 @@ import com.bms.common.core.controller.BaseController;
 import com.bms.common.core.domain.AjaxResult;
 import com.bms.common.core.page.TableDataInfo;
 import com.bms.common.enums.BusinessType;
+import com.bms.common.utils.poi.ExcelUtil;
 
 /**
  * 客户余额账单查询与核销 Controller
@@ -43,17 +48,50 @@ public class CustomerBillController extends BaseController
      */
     @PreAuthorize("@ss.hasPermi('customersupplier:customerinfo:list')")
     @GetMapping("/list/{customerId}")
-    public TableDataInfo billList(@PathVariable("customerId") Long customerId, ArBillQuery query)
+    public AjaxResult billList(@PathVariable("customerId") Long customerId, ArBillQuery query)
     {
         if (customerId == null || customerId <= 0L)
         {
-            return getDataTable(Collections.emptyList());
+            AjaxResult result = success();
+            result.put("rows", Collections.emptyList());
+            result.put("total", 0L);
+            result.put("summary", new ArBillSummary());
+            return result;
         }
         ArBillQuery billQuery = query == null ? new ArBillQuery() : query;
         billQuery.setCustomerId(customerId);
         startPage();
         List<ArBill> list = billService.selectArBillList(billQuery);
-        return getDataTable(list);
+        TableDataInfo pageData = getDataTable(list);
+        AjaxResult result = success();
+        result.put("rows", pageData.getRows());
+        result.put("total", pageData.getTotal());
+        result.put("summary", billService.selectArBillSummary(billQuery));
+        return result;
+    }
+
+    /**
+     * 按当前筛选条件导出指定客户的全部应收账单，不受列表分页参数影响。
+     */
+    @PreAuthorize("@ss.hasPermi('customersupplier:customerinfo:export')")
+    @Log(title = "客户账单", businessType = BusinessType.EXPORT)
+    @PostMapping("/export/{customerId}")
+    public void export(HttpServletResponse response, @PathVariable("customerId") Long customerId, ArBillQuery query)
+    {
+        List<ArBillListExportRow> rows = new ArrayList<>();
+        if (customerId != null && customerId > 0L)
+        {
+            ArBillQuery billQuery = query == null ? new ArBillQuery() : query;
+            // 客户ID固定取自路径，忽略请求参数中可能出现的 customerId。
+            billQuery.setCustomerId(customerId);
+            List<ArBill> bills = billService.selectArBillList(billQuery);
+            for (ArBill bill : bills)
+            {
+                rows.add(ArBillListExportRow.from(bill));
+            }
+        }
+        ExcelUtil<ArBillListExportRow> util = new ExcelUtil<>(ArBillListExportRow.class);
+        util.exportExcel(response, rows, "客户账单");
     }
 
     /**
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillListExportRow.java b/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillListExportRow.java
new file mode 100644
index 00000000..5c156e73
--- /dev/null
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillListExportRow.java
@@ -0,0 +1,66 @@
+package com.bms.ar.domain.vo;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Date;
+
+import com.bms.ar.domain.ArBill;
+import com.bms.ar.enums.ArBillStatus;
+import com.bms.common.annotation.Excel;
+import lombok.Data;
+
+/** 应收账单列表 Excel 导出行。 */
+@Data
+public class ArBillListExportRow implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @Excel(name = "账单号", sort = 0, width = 22)
+    private String billNo;
+
+    @Excel(name = "账单名称", sort = 1, width = 24)
+    private String billName;
+
+    @Excel(name = "客户名称", sort = 2, width = 24)
+    private String customerName;
+
+    @Excel(name = "客户编码", sort = 3, width = 16)
+    private String customerCode;
+
+    @Excel(name = "账单截止日", sort = 4, dateFormat = "yyyy-MM-dd", width = 16)
+    private Date billPeriodEnd;
+
+    @Excel(name = "订单数", sort = 5, width = 12)
+    private Integer orderCount;
+
+    @Excel(name = "应收总额", sort = 6, scale = 2, width = 16)
+    private BigDecimal totalAmount;
+
+    @Excel(name = "已核销", sort = 7, scale = 2, width = 16)
+    private BigDecimal writtenOffAmount;
+
+    @Excel(name = "未核销", sort = 8, scale = 2, width = 16)
+    private BigDecimal unwrittenAmount;
+
+    @Excel(name = "状态", sort = 9, width = 14)
+    private String status;
+
+    @Excel(name = "账单日期", sort = 10, dateFormat = "yyyy-MM-dd", width = 16)
+    private Date billDate;
+
+    public static ArBillListExportRow from(ArBill bill) {
+        ArBillListExportRow row = new ArBillListExportRow();
+        row.setBillNo(bill.getBillNo());
+        row.setBillName(bill.getBillName());
+        row.setCustomerName(bill.getCustomerName());
+        row.setCustomerCode(bill.getCustomerCode());
+        row.setBillPeriodEnd(bill.getBillPeriodEnd());
+        row.setOrderCount(bill.getOrderCount());
+        row.setTotalAmount(bill.getTotalAmount());
+        row.setWrittenOffAmount(bill.getWrittenOffAmount());
+        row.setUnwrittenAmount(bill.getUnwrittenAmount());
+        ArBillStatus billStatus = ArBillStatus.of(bill.getStatus());
+        row.setStatus(billStatus == null ? bill.getStatus() : billStatus.getLabel());
+        row.setBillDate(bill.getBillDate());
+        return row;
+    }
+}
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillSummary.java b/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillSummary.java
new file mode 100644
index 00000000..0c76a186
--- /dev/null
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/domain/vo/ArBillSummary.java
@@ -0,0 +1,16 @@
+package com.bms.ar.domain.vo;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+import lombok.Data;
+
+/** 应收账单列表按筛选条件汇总的金额。 */
+@Data
+public class ArBillSummary implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    private BigDecimal totalAmount = BigDecimal.ZERO;
+    private BigDecimal writtenOffAmount = BigDecimal.ZERO;
+    private BigDecimal unwrittenAmount = BigDecimal.ZERO;
+}
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillMapper.java b/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillMapper.java
index be476768..2b0b16d3 100644
--- a/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillMapper.java
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillMapper.java
@@ -7,10 +7,13 @@ import java.util.List;
 import org.apache.ibatis.annotations.Param;
 import com.bms.ar.domain.ArBill;
 import com.bms.ar.domain.vo.ArBillQuery;
+import com.bms.ar.domain.vo.ArBillSummary;
 
 public interface ArBillMapper {
     List<ArBill> selectArBillList(ArBillQuery query);
 
+    ArBillSummary selectArBillSummary(ArBillQuery query);
+
     ArBill selectArBillById(Long arBillId);
 
     ArBill selectArBillByBillNo(String billNo);
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/service/IArBillService.java b/bms-back/bms-system/src/main/java/com/bms/ar/service/IArBillService.java
index 46fca5b6..609cc1dd 100644
--- a/bms-back/bms-system/src/main/java/com/bms/ar/service/IArBillService.java
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/service/IArBillService.java
@@ -14,6 +14,7 @@ import com.bms.ar.domain.vo.ArBillGenerateRequest;
 import com.bms.ar.domain.vo.ArBillGenerateQuery;
 import com.bms.ar.domain.vo.ArBillActionRequest;
 import com.bms.ar.domain.vo.ArBillQuery;
+import com.bms.ar.domain.vo.ArBillSummary;
 import com.bms.price.domain.PrcOrderBill;
 
 /**
@@ -25,6 +26,8 @@ public interface IArBillService
 {
     List<ArBill> selectArBillList(ArBillQuery query);
 
+    ArBillSummary selectArBillSummary(ArBillQuery query);
+
     ArBill selectArBillById(Long arBillId);
 
     List<ArBillDetail> selectArBillDetails(Long arBillId);
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java b/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
index 9259d29c..16d18791 100644
--- a/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
@@ -79,6 +79,7 @@ import com.bms.ar.domain.vo.ArBillActionRequest;
 import com.bms.ar.domain.vo.ArBillGenerateQuery;
 import com.bms.ar.domain.vo.ArBillGenerateRequest;
 import com.bms.ar.domain.vo.ArBillQuery;
+import com.bms.ar.domain.vo.ArBillSummary;
 import com.bms.common.config.BmsConfig;
 import com.bms.common.exception.ServiceException;
 import com.bms.common.utils.DateUtils;
@@ -223,6 +224,14 @@ public class ArBillServiceImpl implements IArBillService {
         return bills;
     }
 
+    /**
+     * 汇总当前筛选条件下的全部账单金额，不受列表分页影响。
+     */
+    @Override
+    public ArBillSummary selectArBillSummary(ArBillQuery query) {
+        return billMapper.selectArBillSummary(query);
+    }
+
     /**
      * 查询账单头信息；导出记录随账单头返回，明细由独立分页接口查询。
      */
diff --git a/bms-back/bms-system/src/main/resources/mapper/ar/ArBillMapper.xml b/bms-back/bms-system/src/main/resources/mapper/ar/ArBillMapper.xml
index aa835a73..e695f45e 100644
--- a/bms-back/bms-system/src/main/resources/mapper/ar/ArBillMapper.xml
+++ b/bms-back/bms-system/src/main/resources/mapper/ar/ArBillMapper.xml
@@ -35,6 +35,12 @@
         <result property="updateTime" column="update_time"/>
     </resultMap>
 
+    <resultMap id="ArBillSummaryResult" type="com.bms.ar.domain.vo.ArBillSummary">
+        <result property="totalAmount" column="total_amount"/>
+        <result property="writtenOffAmount" column="written_off_amount"/>
+        <result property="unwrittenAmount" column="unwritten_amount"/>
+    </resultMap>
+
     <sql id="selectArBillColumns">
         select ar_bill_id,
                bill_no,
@@ -67,8 +73,7 @@
         from ar_bill
     </sql>
 
-    <select id="selectArBillList" parameterType="com.bms.ar.domain.vo.ArBillQuery" resultMap="ArBillResult">
-        <include refid="selectArBillColumns"/>
+    <sql id="arBillListFilter">
         <where>
             and (generation_status is null or generation_status = 'READY')
             <if test="billNo != null and billNo != ''">and bill_no like concat('%', #{billNo}, '%')</if>
@@ -86,9 +91,22 @@
             <if test="billDateEnd != null">and bill_date &lt;= #{billDateEnd}</if>
             <if test="billPeriodEnd != null">and bill_period_end = #{billPeriodEnd}</if>
         </where>
+    </sql>
+
+    <select id="selectArBillList" parameterType="com.bms.ar.domain.vo.ArBillQuery" resultMap="ArBillResult">
+        <include refid="selectArBillColumns"/>
+        <include refid="arBillListFilter"/>
         order by create_time desc, ar_bill_id desc
     </select>
 
+    <select id="selectArBillSummary" parameterType="com.bms.ar.domain.vo.ArBillQuery" resultMap="ArBillSummaryResult">
+        select coalesce(sum(total_amount), 0) as total_amount,
+               coalesce(sum(written_off_amount), 0) as written_off_amount,
+               coalesce(sum(unwritten_amount), 0) as unwritten_amount
+        from ar_bill
+        <include refid="arBillListFilter"/>
+    </select>
+
     <select id="selectArBillById" parameterType="long" resultMap="ArBillResult">
         <include refid="selectArBillColumns"/>
         where ar_bill_id = #{arBillId}
diff --git a/bms-front/src/components/BasicTable/index.vue b/bms-front/src/components/BasicTable/index.vue
index 107d10cc..7562a7dd 100644
--- a/bms-front/src/components/BasicTable/index.vue
+++ b/bms-front/src/components/BasicTable/index.vue
@@ -126,15 +126,18 @@
       </template>
     </el-table>
 
-    <!-- 分页 -->
-    <pagination
-      v-show="total > 0"
-      :total="total"
-      v-model:page="queryParams.pageNum"
-      v-model:limit="queryParams.pageSize"
-      :page-sizes="pageSizes"
-      @pagination="getList"
-    />
+    <!-- 分页；可选的分页前置内容用于展示汇总等信息。 -->
+    <div class="basic-table-pagination" :class="{ 'basic-table-pagination--with-extra': $slots['pagination-extra'] }">
+      <slot name="pagination-extra" />
+      <pagination
+        v-show="total > 0"
+        :total="total"
+        v-model:page="queryParams.pageNum"
+        v-model:limit="queryParams.pageSize"
+        :page-sizes="pageSizes"
+        @pagination="getList"
+      />
+    </div>
   </div>
 </template>
 
@@ -727,6 +730,16 @@ onBeforeUnmount(() => {
 .basic-table {
   width: 100%;
 }
+.basic-table-pagination--with-extra {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 16px;
+  flex-wrap: wrap;
+}
+.basic-table-pagination--with-extra :deep(.pagination-container) {
+  margin-left: auto;
+}
 .basic-table-virtual {
   width: 100%;
   min-height: 240px;
diff --git a/bms-front/src/views/ar/bill/index.vue b/bms-front/src/views/ar/bill/index.vue
index f40d8d0c..e9462e3b 100644
--- a/bms-front/src/views/ar/bill/index.vue
+++ b/bms-front/src/views/ar/bill/index.vue
@@ -32,6 +32,9 @@
         <el-col :span="1.5"><el-button type="primary" plain icon="Plus" v-hasPermi="['ar:bill:generate']" @click="generateOpen = true">生成账单</el-button></el-col>
         <el-col v-if="customerScoped" :span="1.5"><el-button type="info" plain icon="Close" @click="clearCustomerFilter">清除客户条件</el-button></el-col>
       </template>
+      <template #search-extra>
+        <el-button type="warning" plain icon="Download" v-hasPermi="['ar:bill:export']" @click="handleExport">导出</el-button>
+      </template>
       <template #search-customerId="{ model }">
         <customer-select v-model="model.customerId" placeholder="请输入客户名称或代码搜索" :remote-search="true" :page-size="20" />
       </template>
@@ -45,6 +48,7 @@
         <el-button v-if="row.status === AR_BILL_STATUS.DRAFT || row.status === AR_BILL_STATUS.CONFIRMED" link type="warning" v-hasPermi="['ar:bill:void']" @click="voidBill(row)">作废</el-button>
         <el-button v-if="row.status !== AR_BILL_STATUS.DRAFT && row.status !== AR_BILL_STATUS.VOID" link type="primary" v-hasPermi="['ar:bill:export']" @click="exportBill(row)">导出明细</el-button>
         <el-button v-if="canGoWriteoff(row)" link type="primary" v-hasPermi="['customer:bill:writeoff']" @click="goWriteoff(row)">去核销</el-button>
+        <el-button v-if="canGoReverseWriteoff(row)" link type="warning" v-hasPermi="['customer:bill:writeoff:cancel']" @click="goReverseWriteoff(row)">反核销</el-button>
       </template>
     </basic-table>
 
@@ -150,7 +154,7 @@ const columns = [
   { label: '账单截止日', prop: 'billPeriodEnd', minWidth: 120, formatter: row => `截至 ${date(row.billPeriodEnd)}` }, { label: '订单数', prop: 'orderCount', width: 80 },
   { label: '应收总额', prop: 'totalAmount', width: 120, align: 'right', slot: 'totalAmount' }, { label: '已核销', prop: 'writtenOffAmount', width: 110, align: 'right', slot: 'writtenOffAmount' },
   { label: '未核销', prop: 'unwrittenAmount', width: 110, align: 'right', slot: 'unwrittenAmount' }, { label: '状态', prop: 'status', width: 110, slot: 'status' },
-  { label: '账单日期', prop: 'billDate', width: 120, formatter: row => date(row.billDate) }, { label: '操作', prop: 'action', width: 330, fixed: 'right', slot: 'action', showInToolbar: false }
+  { label: '账单日期', prop: 'billDate', width: 120, formatter: row => date(row.billDate) }, { label: '操作', prop: 'action', width: 380, fixed: 'right', slot: 'action', showInToolbar: false }
 ]
 const searchColumns = [
   { label: '账单号', prop: 'billNo', component: 'input', placeholder: '账单号', width: '180px' }, { label: '账单名称', prop: 'billName', component: 'input', placeholder: '账单名称', width: '180px' }, { label: '客户名称', prop: 'customerId', component: 'input', placeholder: '请选择客户', width: '220px' },
@@ -158,7 +162,22 @@ const searchColumns = [
 ]
 
 // 将页面日期范围转换为后端查询字段，其他筛选条件原样透传。
-function queryList(params) { const query = { ...params }; if (query.billDateRange?.length === 2) { query.billDateStart = query.billDateRange[0]; query.billDateEnd = query.billDateRange[1] }; delete query.billDateRange; return listArBill(query) }
+function normalizeBillQuery(params) {
+  const query = { ...params }
+  if (query.billDateRange?.length === 2) {
+    query.billDateStart = query.billDateRange[0]
+    query.billDateEnd = query.billDateRange[1]
+  }
+  delete query.billDateRange
+  return query
+}
+function queryList(params) { return listArBill(normalizeBillQuery(params)) }
+function handleExport() {
+  const query = normalizeBillQuery(tableRef.value?.getQueryParams() || defaultSearchParams.value)
+  delete query.pageNum
+  delete query.pageSize
+  proxy.download('/ar/bill/export', query, `ar_bill_${Date.now()}.xlsx`)
+}
 // 生成弹窗只提交任务，账单明细由后台异步批量写入；这里负责刷新列表并开始轮询。
 function handleGenerateSuccess(task) {
   tableRef.value?.refresh()
@@ -392,8 +411,20 @@ function canGoWriteoff(row) {
     || row.status === AR_BILL_STATUS.PARTIAL_WRITTEN_OFF
   return canWriteoffStatus && Number(row.unwrittenAmount) > 0
 }
+function canGoReverseWriteoff(row) {
+  if (!row?.customerId || !(Number(row.writtenOffAmount) > 0)) return false
+  return row.status === AR_BILL_STATUS.PARTIAL_WRITTEN_OFF
+    || row.status === AR_BILL_STATUS.WRITTEN_OFF
+}
 function goWriteoff(row) {
   if (!canGoWriteoff(row)) return
+  goCustomerBillWriteoff(row)
+}
+function goReverseWriteoff(row) {
+  if (!canGoReverseWriteoff(row)) return
+  goCustomerBillWriteoff(row)
+}
+function goCustomerBillWriteoff(row) {
   router.push({
     path: '/customersupplier/customer-money/index',
     query: {
diff --git a/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/CustomerBillListDialog.vue b/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/CustomerBillListDialog.vue
index d888b2b1..274e27d8 100644
--- a/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/CustomerBillListDialog.vue
+++ b/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/CustomerBillListDialog.vue
@@ -16,8 +16,24 @@
       :border="true"
       :max-height="560"
       :page-size="10"
+      ref="tableRef"
       row-key="arBillId"
     >
+      <template #search-extra>
+        <el-button
+          type="warning"
+          icon="Download"
+          @click="handleExport"
+          v-hasPermi="['customersupplier:customerinfo:export']"
+        >导出</el-button>
+      </template>
+      <template #pagination-extra>
+        <div class="bill-summary">
+          <span>应收总额：<b class="amount">{{ money(billSummary.totalAmount) }}</b></span>
+          <span>已核销：<b class="written">{{ money(billSummary.writtenOffAmount) }}</b></span>
+          <span>未核销：<b class="unwritten">{{ money(billSummary.unwrittenAmount) }}</b></span>
+        </div>
+      </template>
       <template #col-status="{ row }">
         <el-tag :type="statusType(row.status)">{{ statusText(row.status) }}</el-tag>
       </template>
@@ -38,7 +54,7 @@
 </template>
 
 <script setup>
-import { computed } from 'vue'
+import { computed, getCurrentInstance, ref } from 'vue'
 import { listCustomerBills } from '@/api/customersuppliermanagement/customermoney/customerbill'
 import { AR_BILL_STATUS_OPTIONS, AR_BILL_STATUS_TYPES } from '@/constants/ar/bill'
 import { arEnumLabel } from '@/constants/ar/enums'
@@ -48,6 +64,7 @@ const props = defineProps({
   customerId: { type: [String, Number], required: true },
   customerName: { type: String, default: '' }
 })
+const { proxy } = getCurrentInstance()
 const emit = defineEmits(['update:modelValue'])
 
 const visible = computed({
@@ -58,6 +75,9 @@ const dialogTitle = computed(() => props.customerName ? `客户账单 - ${props.
 
 // BasicTable merges these fixed parameters after search and pagination state.
 const fixedParams = computed(() => ({ customerId: Number(props.customerId) }))
+const tableRef = ref()
+const billSummary = ref({ totalAmount: 0, writtenOffAmount: 0, unwrittenAmount: 0 })
+let querySerial = 0
 const statusOptions = AR_BILL_STATUS_OPTIONS
 const columns = [
   { label: '账单号', prop: 'billNo', minWidth: 180, showOverflowTooltip: true },
@@ -81,6 +101,28 @@ const searchColumns = [
 ]
 
 function queryBills(params) {
+  const query = normalizeBillQuery(params)
+  const serial = ++querySerial
+  return listCustomerBills(props.customerId, query).then(response => {
+    if (serial === querySerial) {
+      billSummary.value = response.summary || { totalAmount: 0, writtenOffAmount: 0, unwrittenAmount: 0 }
+    }
+    return response
+  })
+}
+
+function handleExport() {
+  const query = normalizeBillQuery(tableRef.value?.getQueryParams() || {})
+  delete query.pageNum
+  delete query.pageSize
+  proxy.download(
+    `/customersupplier/customerbill/export/${props.customerId}`,
+    query,
+    `客户账单_${props.customerId}_${Date.now()}.xlsx`
+  )
+}
+
+function normalizeBillQuery(params) {
   const query = { ...params }
   const range = query.billDateRange
   if (Array.isArray(range) && range.length === 2) {
@@ -90,7 +132,7 @@ function queryBills(params) {
   delete query.billDateRange
   // The route parameter is authoritative; the customer ID cannot be changed by search/reset.
   delete query.customerId
-  return listCustomerBills(props.customerId, query)
+  return query
 }
 
 function date(value) { return value ? String(value).slice(0, 10) : '-' }
@@ -103,6 +145,14 @@ function statusType(value) { return AR_BILL_STATUS_TYPES[value] || 'info' }
 </script>
 
 <style scoped>
+.bill-summary {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px 20px;
+  color: var(--el-text-color-regular);
+  font-size: 13px;
+}
+.bill-summary b { font-weight: 600; }
 .amount { color: #f56c6c; font-weight: 600; }
 .written { color: var(--el-color-success); }
 .unwritten { color: var(--el-color-warning); }