1.fix bug (#431)

* 1.fix bug
2.update treeTable readme
3.update args name in treetable/eval.js

* 1.treeTable animate

src/views/example/table/treeTable/customEval.js

@@ -4,12 +4,12 @@
 */
 'use strict'
 import Vue from 'vue'
-export default function treeToArray(data, parent, level, expandedAll, item) {
+export default function treeToArray(data, expandAll, parent, level, item) {
   const marLTemp = []
   let tmp = []
   Array.from(data).forEach(function(record) {
     if (record._expanded === undefined) {
-      Vue.set(record, '_expanded', expandedAll)
+      Vue.set(record, '_expanded', expandAll)
     }
     let _level = 1
     if (level !== undefined && level !== null) {
@@ -40,7 +40,7 @@ export default function treeToArray(data, parent, level, expandedAll, item) {
     }
     tmp.push(record)
     if (record.children && record.children.length > 0) {
-      const children = treeToArray(record.children, record, _level, expandedAll, item)
+      const children = treeToArray(record.children, expandAll, record, _level, item)
       tmp = tmp.concat(children)
     }
   })

src/views/example/table/treeTable/customTreeTable.vue

@@ -5,7 +5,7 @@
       <a href="https://github.com/PanJiaChen/vue-element-admin/tree/master/src/components/TreeTable" target="_blank">Documentation</a>
     </el-tag>
 
-    <tree-table :data="data" :evalFunc="func" :evalArgs="args" border>
+    <tree-table :data="data" :evalFunc="func" :evalArgs="args" :expandAll="expandAll" border>
       <el-table-column label="事件">
         <template slot-scope="scope">
           <span style="color:sandybrown">{{scope.row.event}}</span>
@@ -48,6 +48,7 @@ export default {
   data() {
     return {
       func: treeToArray,
+      expandAll: false,
       data:
         {
           id: 1,
@@ -123,7 +124,7 @@ export default {
             }
           ]
         },
-      args: [null, null, true, 'timeLine']
+      args: [null, null, 'timeLine']
     }
   },
   methods: {