优化

src/views/EquipmentLedger/index.vue

@@ -122,9 +122,18 @@
                   </el-select>
                 </el-form-item>
               </el-col> -->
-              <el-col :span="6">
-                <el-form-item label="产权单位" prop="propertyUnitId">
-                  <el-select
+              <el-col :span="6" v-if="hasChildrenPropertyUnit">
+                <el-form-item label="产权单位" prop="propertyUnitIds">
+                  <el-cascader
+                    clearable
+                    v-model="queryParams.propertyUnitIds"
+                    placeholder="请选择工序"
+                    :options="propertyUnitList"
+                    :props="{ label: 'label', value: 'id', children: 'children' }"
+                    style="width: 100%"
+                    @change="handleUnitChange"
+                  />
+                  <!-- <el-select
                     v-model="queryParams.propertyUnitId"
                     placeholder="请选择产权单位"
                     clearable
@@ -132,7 +141,7 @@
                     style="width: 100%"
                   >
                     <el-option v-for="item in propertyUnitList" :key="item.id" :label="item.label" :value="item.id" />
-                  </el-select>
+                  </el-select> -->
                 </el-form-item>
               </el-col>
               <el-col :span="6">
@@ -795,6 +804,7 @@ export default {
       queryParams: {
         province: undefined, // 省份
         propertyUnitId: undefined, // 产权单位
+        propertyUnitIds: [],
         name: undefined, // 装备名称
         specificationModel: undefined, // 规格型号
         major: undefined, // 专业
@@ -942,7 +952,27 @@ export default {
       ],
     }
   },
+  computed: {
+    hasChildrenPropertyUnit() {
+      const check = (list = []) => {
+        return list.some(item => {
+          return (
+            Array.isArray(item.children) &&
+            item.children.length > 0
+          ) || check(item.children)
+        })
+      }
+      return check(this.propertyUnitList)
+    }
+  },
   methods: {
+    handleUnitChange(value) {
+      if (value.length === 0) {
+        this.queryParams.propertyUnitId = undefined
+        return
+      }
+      this.queryParams.propertyUnitId = value[value.length - 1]
+    },
     // 初始化：获取前两级节点的所有 key
     initDefaultExpandedKeys() {
       const keys = []