我有一个角色对象,我想使用 PrimeNG 将其映射到 TreeNode 对象以将其显示在树中。
角色对象是这样的(也如图所示)
role: [
id: ....
name: ....
description: ....
roles[]: .....
]
树节点对象的结构如下:
{
"data":
[
{
"label": "Documents",
"data": "Documents Folder",
"expandedIcon": "fa-folder-open",
"collapsedIcon": "fa-folder",
"children": [{
"label": "Work",
"data": "Work Folder",
"expandedIcon": "fa-folder-open",
"collapsedIcon": "fa-folder",
"children": [{"label": "Expenses.doc", "icon": "fa-file-word-o", "data": "Expenses Document"}, {"label": "Resume.doc", "icon": "fa-file-word-o", "data": "Resume Document"}]
},
{
"label": "Home",
"data": "Home Folder",
"expandedIcon": "fa-folder-open",
"collapsedIcon": "fa-folder",
"children": [{"label": "Invoices.txt", "icon": "fa-file-word-o", "data": "Invoices for this month"}]
}]
},
{
"label": "Pictures",
"data": "Pictures Folder",
"expandedIcon": "fa-folder-open",
"collapsedIcon": "fa-folder",
"children": [
{"label": "barcelona.jpg", "icon": "fa-file-image-o", "data": "Barcelona Photo"},
{"label": "logo.jpg", "icon": "fa-file-image-o", "data": "PrimeFaces Logo"},
{"label": "primeui.png", "icon": "fa-file-image-o", "data": "PrimeUI Logo"}]
},
{
"label": "Movies",
"data": "Movies Folder",
"expandedIcon": "fa-folder-open",
"collapsedIcon": "fa-folder",
"children": [{
"label": "Al Pacino",
"data": "Pacino Movies",
"children": [{"label": "Scarface", "icon": "fa-file-video-o", "data": "Scarface Movie"}, {"label": "Serpico", "icon": "fa-file-video-o", "data": "Serpico Movie"}]
},
{
"label": "Robert De Niro",
"data": "De Niro Movies",
"children": [{"label": "Goodfellas", "icon": "fa-file-video-o", "data": "Goodfellas Movie"}, {"label": "Untouchables", "icon": "fa-file-video-o", "data": "Untouchables Movie"}]
}]
}
]
}
data.roles.forEach((role, index) => {
//this.roleTree.label = role.Name;
//this.roleTree.data = role.ID;
let treeNode: TreeNode = {
label: role.Name,
data: role
}
this.treeNodes.push(treeNode);
console.log(role);
console.log(index);
});
但是当我尝试将“role”中的“roles”映射到treeNode中的“children”时,这段代码似乎太复杂了。我见过一些例子,比如this但它映射相同的字段名称。
我是 Typescript 的新手,是否有一种解决方法可以通过指定要映射到角色“标签”的字段名称(例如名称),将带有角色的角色对象转换为带有子级的树节点?
代码示例将受到高度赞赏。