el-tree选中子级时默认选中父级(角色授权)
问题1:选中子级时默认选中父级
<el-tree :data="menuData" show-checkbox default-expand-all node-key="id" :props="defaultProps" ref="menuTree" :render-content="renderContent" :expand-on-click-node="false"> </el-tree> //提交 submitRole(){ // 点击子级时默认也选中父级Id传给后台concat合并
//this.$refs.menuTree.getCheckedKeys()获取子级id
//this.$refs.menuTree.getHalfCheckedKeys()获取父级id
var checkKeys = this.$refs.menuTree.getCheckedKeys().concat(this.$refs.menuTree.getHalfCheckedKeys());
let newArr = checkKeys.map(item => { return { menuId: item, roleId: this.roleId } });
let lists= { lists:newArr }
roleImpower(lists).then(res=>{
if(res.code ==200){ this.$message.success("授权成功"); }
else{ this.$message.error("授权失败"); } })
console.log(newArr)
this.roleDia = false
},
问题2:回显有父级id,默认选中父级下所有子级
// 组授权 handleAuth(id){
//获取回显的id
getRoleId(id).then(res=>{ let that = this if (res.data.lists) { setTimeout(function () { res.data.lists.forEach((value)=>{ that.$refs.menuTree.setChecked(value,true,false) }) },200);
//用下面方法,回显带有父级id,会默认选中所有子级, // var aaa = this.$refs.menuTree.setCheckedKeys(res.data.lists) } }) this.roleId = id //回显权限列表 allMenu(this.listQuery).then(res => { this.loading = false this.menuData = res.data.menu || [] }, error => { this.loading = false this.$message.error(error.message) }) this.roleDia = true },