javascript - iView中 tree 树控件 的方法调用有错

问题描述

官网的说明Tree methods

自己撸的代码----------------------------------

<button @click=’getCheckedNodes’>获取被选中的节点</button><button @click='getSelectedNodes'>获取被勾选的节点</button>

自己撸的代码---------------------------

getCheckedNodes(){ console.log(this.$refs.Tree.getCheckedNodes());},getSelectedNodes(){ console.log(this.$refs.tree.getSelectedNodes);}

报错

App.vue?2573:105 Uncaught TypeError: Cannot read property ’getCheckedNodes’ of undefinedat VueComponent.getCheckedNodes (eval at <anonymous> (app.js:967), <anonymous>:92:40)at boundFn (eval at <anonymous> (app.js:723), <anonymous>:125:14)at HTMLButtonElement.invoker (eval at <anonymous> (app.js:723), <anonymous>:1659:18)

问题解答

Tree组件调用上面要写上ref

<Tree :data='baseData' show-checkbox ref='tree'></Tree>