fix(wms): 提高html2canvas缩放比例并优化发货单页面布局

调整wayBill和wayBill2组件的html2canvas缩放比例从3提高到6，以获得更清晰的打印效果
重构发货单页面布局，将表格和分页组件放入滚动容器，表单区域设为固定位置

klp-ui/src/views/wms/delivery/components/wayBill.vue

@@ -440,7 +440,7 @@ export default {
           // 固定按纸张尺寸截图：右侧留白来自于 contentEl 的缩放（241 -> 211mm），而不是扩大截图宽度
           const canvas = await html2canvas(node, {
             backgroundColor: '#ffffff',
-            scale: 3,
+            scale: 6,
             useCORS: true,
             willReadFrequently: true,
             width: pageWidthPx,

klp-ui/src/views/wms/delivery/components/wayBill2.vue

@@ -440,7 +440,7 @@ export default {
           // 固定按纸张尺寸截图：右侧留白来自于 contentEl 的缩放（241 -> 211mm），而不是扩大截图宽度
           const canvas = await html2canvas(node, {
             backgroundColor: '#ffffff',
-            scale: 3,
+            scale: 6,
             useCORS: true,
             willReadFrequently: true,
             width: pageWidthPx,

klp-ui/src/views/wms/delivery/waybill/index.vue

@@ -5,13 +5,13 @@
         <PlanList ref="planList" @select="handlePlanSelect" />
       </el-col>
 
-      <el-col :span="19" style="height: calc(100vh - 124px); overflow-y: scroll;">
+      <el-col :span="19" style="position: relative;">
         <el-card v-if="!selectedPlan">
           <el-empty description="请先选择发货计划" />
         </el-card>
         <el-card v-else>
-          <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
+          <el-form style="position: sticky; left: 0; top: 0;" :model="queryParams" ref="queryForm" size="small"
-            label-width="68px">
+            :inline="true" v-show="showSearch" label-width="68px">
             <el-form-item label="发货单名称" prop="waybillName">
               <el-input v-model="queryParams.waybillName" placeholder="请输入发货单名称" clearable
                 @keyup.enter.native="handleQuery" />
@@ -35,7 +35,7 @@
               </el-descriptions>
             </el-form-item>
           </el-form>
-
+          <div style="height: calc(100vh - 184px); overflow-y: scroll; overflow-x: hidden;">
             <el-table v-loading="loading" border :data="deliveryWaybillList" highlight-current-row
               @row-click="handleRowClick">
               <el-table-column label="发货单唯一ID" align="center" prop="waybillId" v-if="false" />
@@ -91,6 +91,8 @@
 
             <DeliveryWaybillDetail v-if="canEdit" ref="detailTable" :waybillId="waybillId" :coilList="coilList" />
             <el-empty v-else description="已发货，不可修改，点击打印查看详情" />
+          </div>
+
         </el-card>
       </el-col>
     </el-row>