业务关系（完成）

vue-fastapi-frontend/src/views/meta/metaInfo/index.vue

@@ -309,7 +309,7 @@
                   </div>
                 </el-tab-pane>
                 <el-tab-pane label="业务关系" name="businessRelation">
-                  <div v-if="activeColumnTab=== 'businessRelation'" style="height: calc(100vh - 395px);">
+                  <div v-loading="loadingBusiness" v-if="activeColumnTab=== 'businessRelation'" style="height: calc(100vh - 395px);">
                     <div style="position: absolute;top:10px;left: 10px;z-index: 10">
                       <el-form>
                         <el-form-item label="关系选择:">
@@ -595,6 +595,7 @@
   const metaClasList = ref([]);
   const columnInfoDialog = ref(false);
   const currentColumnData = ref({});
+  const loadingBusiness = ref(false);
   const currentTableTag = ref({
     "clasThreClas": "",
     "clasOnum": null,
@@ -638,6 +639,7 @@
 
   }
   function changeBusinessOption(){
+    loadingBusiness.value = true;
     let data = {
       ssysCd: currentMetaData.value.ssysCd,
       mdlName: currentMetaData.value.mdlName,
@@ -646,6 +648,7 @@
     }
     getMetaDataRelship(data).then(res=>{
       businessRelation.value = res.data
+      loadingBusiness.value = false;
     })
   }
   function confirmTableTags(){