<el-button@click="setCheckedKeys">set by key</el-button> <el-button@click="resetChecked">reset</el-button> </template> import{ref}from'vue'import{ElTree}from'element-plus'importtypeNodefrom'element-plus/es/components/tree/src/model/node'interfaceTree{id:numberlabel:stringchildren?:Tree[]...
this.$refs.tree.setCheckedKeys(this.checkedId) }, 1. 2. 3. 4. checkedId为勾选节点的数组,不区分父子节点。 3、重点:复选框点击时的特殊处理 nodeClick (currentObj, treeStatus) { console.log(currentObj) console.log("===") console.log(treeStatus) // 用于:父子节点严格互不关联时,父节点勾...
setCheckedKeys 设置目前选中的节点,使用此方法必须设置 node-key 属性 (keys, leafOnly) 接收两个参数: 1. 一个需要被选中的多节点 key 的数组 2. 布尔类型的值 如果设置为 true,将只设置选中的叶子节点状态。 默认值是 false. setChecked 设置节点是否被选中, 使用此方法必须设置 node-key 属性 (key/data...
Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'setCheckedKeys')这个错误是因为你的dom元素还没有加载完,你就想使用 setCheckedKeys 设置目前勾选的节点。也就是你写的treeRef.value!.setCheckedKeys([3], false); 这个里面的 tree 还没有加载出来。
首先我们必须在el-tree上面设置keys, 建议选择还是用keys,避免数据重复出现错误 node-key="id" 很重要 <el-tree ref="tree" :data="loadCases" show-checkbox :check-on-click-node="true" node-key="id" highlight-current :expand-on-click-node="false" ...
newIds.value=res.data.menuIds//权限树回显treeRef.value?.setCheckedKeys(res.data.menuIds) const arr: any=[] res.data.menuIds.forEach((item: any)=>{if(!treeRef.value?.getNode(item).childNodes || !treeRef.value?.getNode(item).childNodes.length) { ...
:default-checked-keys="variable.roleForm.featureIds" :props="defaultProps" @check="hanleCheck" @check-change="checkChange" /> ``` ```js const defaultProps = { children: 'children', label: function (treeData: any, treeNode: any) { ...
🎉 A Vue.js 3 UI Library made by Element team. Contribute to element-plus/element-plus development by creating an account on GitHub.
consteditRole=async(row:any)=>{const{permissionIds}=awaitdetailApi({id:row.id})awaitnextTick()setCheckedKeys(permissionIds)// 返回用户的权限id后,根据id选中树节点permissionIds.forEach((id:any)=>{constnodeData=treeRef.value!.getNode(id)// 根据权限id,获取每个选中的树节点console.log('nodeData...
},//单选操作handleCheckChange(data, checked) {if(checked) {this.checkedId=data.id;this.$refs.treeForm.setCheckedKeys([data.id]); }else{if(this.checkedId===data.id) {this.$refs.treeForm.setCheckedKeys([data.id]); } } },//获取单选选中的结果getCheckedTree() { ...