element tree 默认勾选已知id
作者:互联网
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<el-tree
ref="tree"
:data="treeData"
show-checkbox
accordion
:props="treeProps"
node-key="resourceId"
:default-expanded-keys="defaultCheckedKeys"
:default-checked-keys="defaultCheckedKeys"
>
</el-tree>
data() {
return {
// 树结构
treeData: [],
// 树结构以什么展示
showType: 2,
treeProps: {
children: "children",
label: "resourceName",
},
defaultCheckedKeys: [], // 默认勾选
};
},
methods:{
// 获取部门权限详细 permissions
async getPermissions() {
const { data } = await permissions({ deptId: this.params.deptId });
/**
* {"data":[{"systemId": 1,
"systemName": "统一后台管理系统",
"systemShortName": "统一后台管理系统","systemResource":[{
"parentId": -1,
"resourceId": 1,
"resourceName": "首页",
"sortNumber": 10,
"systemId": 1,
"systemName": "统一后台管理系统",
"systemShortName": "统一后台管理系统"
},{
"parentId": -1,
"resourceId": 2,
"resourceName": "组织用户管理",
"sortNumber": 20,
"systemId": 1,
"systemName": "统一后台管理系统",
"systemShortName": "统一后台管理系统"
},]}]}
*/
data.forEach((v) => {
this.getPermissionId(v, this.defaultCheckedKeys);
});
this.$nextTick(() => {
this.$refs.tree.setCheckedKeys(this.defaultCheckedKeys);
});
},
// 递归获取默认展示的 key
getPermissionId(node, arr) {
if (!node.systemResource) {
return arr.push(node.resourceId);
}
node.systemResource.forEach((item) => {
this.getPermissionId(item, arr);
});
},
}
标签:node,arr,管理系统,resourceId,tree,element,勾选,后台,data 来源: https://blog.csdn.net/qq_36364963/article/details/112231463