rev：1.生产入库：650的箱子优先入1层 2.1层空托盘扩容 3.立库主存区仓位预警提示 4.仓位查询页面优化：增加立库层数、是否空位条件查询。

lms/nladmin-ui/src/views/wms/basedata/st/struct/index.vue

@@ -36,6 +36,39 @@
             </el-select>
           </el-form-item>
 
+          <el-form-item label="立库层数">
+            <el-select
+              v-model="query.layer_num"
+              clearable
+              size="mini"
+              placeholder="层数"
+              class="filter-item"
+              @change="crud.toQuery"
+            >
+              <el-option
+                v-for="item in layerList"
+                :label="item.label"
+                :value="item.value"
+              />
+            </el-select>
+          </el-form-item>
+
+          <el-form-item label="是否空位">
+            <el-select
+              v-model="query.is_have"
+              clearable
+              size="mini"
+              class="filter-item"
+              @change="crud.toQuery"
+            >
+              <el-option
+                v-for="item in isHaveList"
+                :label="item.label"
+                :value="item.value"
+              />
+            </el-select>
+          </el-form-item>
+
           <el-form-item label="模糊搜索">
             <el-input
               v-model="query.search"
@@ -367,6 +400,15 @@ export default {
       sects: [],
       invtypelist: [],
       permission: {},
+      layerList: [
+        { 'label': '1层', 'value': '1' },
+        { 'label': '2层', 'value': '2' },
+        { 'label': '3层', 'value': '3' }
+      ],
+      isHaveList: [
+        { 'label': '空位', 'value': '1' },
+        { 'label': '有货', 'value': '2' }
+      ],
       rules: {
         struct_id: [
           { required: true, message: '仓位标识不能为空', trigger: 'blur' }