所有获取数据判断非空

src/components/main.vue

@@ -304,7 +304,8 @@ function fetchSubjects() {
     })
     .then((res) => {
       console.log('subject', res.data.content)
-      const [{ links, nodes }] = res.data.content
+      const { links = [], nodes = [] } =
+        res.data && res.data.content && res.data.content[0]
       subjectOptions.value = nodes.map((item) => ({
         label: item.subjectName,
         value: item.nodeId,
@@ -325,7 +326,7 @@ function fetchTags() {
       url: api.GET_TAG_CLASS,
     })
     .then((res) => {
-      const data = res.data.content
+      const data = (res.data && res.data.content) || []
       tagClassOptions.value = data.map((e) => ({
         label: e.classification,
         value: e.classification,
@@ -342,7 +343,6 @@ function fetchTags() {
         label: e.labelName,
         value: e.nodeId + '',
       }))
-      console.log(tagOptions.value)
     })
 }
 fetchTags()
@@ -353,8 +353,8 @@ function getSelectOptions() {
       url: api.GET_RELATIONS,
     })
     .then((res) => {
-      if (!res.data || !res.data.content) return
-      relationOptions.value = res.data.content.map((item) => ({
+      const data = (res.data && res.data.content) || []
+      relationOptions.value = data.map((item) => ({
         label: item.relationName,
         value: item.id + '',
       }))
@@ -364,8 +364,8 @@ function getSelectOptions() {
       url: api.GET_SYSTEMS,
     })
     .then((res) => {
-      if (!res.data || !res.data.content) return
-      systemOptions.value = res.data.content.map((item) => ({
+      const data = (res.data && res.data.content) || []
+      systemOptions.value = data.map((item) => ({
         label: item.systemName,
         value: item.nodeId + '',
       }))
@@ -383,7 +383,7 @@ function fetchSubordinates(params = null) {
       },
     })
     .then((res) => {
-      const { links, nodes } = res.data.content
+      const { links = [], nodes = [] } = res.data && res.data.content
       graphData.value = {
         nodes: [
           ...graphData.value.nodes,
@@ -442,7 +442,6 @@ function selectTag(nodeId, i) {
 
 function submitNewNode(e) {
   e.preventDefault()
-  console.log(formData.value)
   formRef.value.validate(async (errors) => {
     if (!errors) {
       isLoading.value = true
@@ -625,7 +624,10 @@ const searchNodes = (type, key) => {
       params,
     })
     .then((res) => {
-      graphData.value = res.data.content
+      graphData.value = (res.data && res.data.content) || {
+        links: [],
+        nodes: [],
+      }
     })
 }