树形数据

src/views/formula/edit1.vue

@@ -217,6 +217,8 @@
                       highlight-current
                       node-key="id"
                       ref="tree"
+                      lazy
+                      :load="loadNode"
                     >
                     </el-tree>
                   </el-scrollbar>
@@ -264,6 +266,8 @@
                 highlight-current
                 node-key="id"
                 ref="tree"
+                lazy
+                :load="loadNode"
               >
               </el-tree>
             </el-scrollbar>
@@ -321,6 +325,8 @@
                   highlight-current
                   node-key="id"
                   ref="tree"
+                     lazy
+                  :load="loadNode"
                  
                 >
                 </el-tree>