处理返回为null的数据

src/views/index.vue

@@ -3,7 +3,7 @@
  * @Author: wangcc
  * @Date: 2022-07-06 15:56:45
  * @LastEditors: gcz
- * @LastEditTime: 2022-07-20 17:40:58
+ * @LastEditTime: 2022-08-02 09:12:47
  * @FilePath: \castgroup_bigscreen\src\views\index.vue
  * @Copyright: Copyright (c) 2016~2022 by wangcc, All Rights Reserved. 
 -->
@@ -678,13 +678,15 @@ export default {
           // console.log('x坐标',  this.page2Char2.xAxis.data)
           // 获取所有项
           let seriesList = rows.map((item) => {
-            return item.treeList;
+            return item.treeList||[];
           });
           // 数组扁平化
           seriesList = seriesList.flat();
           // 去重
           let obj = {};
           seriesList = seriesList.reduce((newArr, next) => {
+            // console.log('page2Char2 seriesList',seriesList);
+            // console.log('page2Char2 next',next);
             obj[next.name] ? '' : (obj[next.name] = true && newArr.push(next));
             return newArr;
           }, []);
@@ -719,7 +721,7 @@ export default {
           rows.forEach((item) => {
             seriesList.forEach((jtem, index) => {
               let num = 0;
-              item.treeList.map((ktem) => {
+              item.treeList&&item.treeList.map((ktem) => {
                 if (ktem.name.indexOf(jtem.name) > -1) {
                   num = ktem.value;
                 }
@@ -769,7 +771,7 @@ export default {
           // console.log('x坐标',  this.page2Char2.xAxis.data)
           // 获取所有项
           let seriesList = rows.map((item) => {
-            return item.treeList;
+            return item.treeList||[];
           });
           // 数组扁平化
           seriesList = seriesList.flat();
@@ -810,7 +812,7 @@ export default {
           rows.forEach((item) => {
             seriesList.forEach((jtem, index) => {
               let num = 0;
-              item.treeList.map((ktem) => {
+              item.treeList&&item.treeList.map((ktem) => {
                 if (ktem.name.indexOf(jtem.name) > -1) {
                   num = ktem.value;
                 }