positionList空判断

src/components/WarehouseAreaDialog/index.vue

@@ -106,7 +106,7 @@ export default {
         warehouse.selected = true
 
         // 区域被选，清空该区域下的位置
-        warehouse.positionList.forEach(g => {
+        if(warehouse.positionList) warehouse.positionList.forEach(g => {
           g.children.forEach(k => {
             k.selected = false
           })
@@ -154,7 +154,7 @@ export default {
         e.children.forEach(f => {
           // 区域
           f.selected = false
-          f.positionList.forEach(g => {
+          if(f.positionList) f.positionList.forEach(g => {
             // 位置
             g.children.forEach(k => {
               // 子位置
@@ -177,7 +177,7 @@ export default {
         e.children.forEach(f => {
           // 区域
           if (f.selected) result.push(f.code)
-          f.positionList.forEach(g => {
+          else if(f.positionList) f.positionList.forEach(g => {
             // 位置
             if (g.selected) result.push(k.code)
             g.children.forEach(k => {
@@ -202,7 +202,7 @@ export default {
             wareId: f.pid,
             areaId: f.id
           })
-          else f.positionList.forEach(g => {
+          else if(f.positionList) f.positionList.forEach(g => {
             // 位置
             if (g.selected) result.push({
               orderId: this.orderId,