我有一个角色对象,我想使用PrimeNG将其映射到TreeNode对象上,在树中显示它。 角色对象大致如下(图片中也显示了)
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,这段代码似乎过于复杂了。我看到一些类似这个的示例,但是它将相同的字段名进行映射。
我对Typesript还很陌生,是否有一种方法可以通过指定我的字段名称(例如name)映射到'role'的'label'来将我的'role'对象转换为'treeNode'对象?
非常感谢提供代码示例。
TreeNode
类型的接口
?TreeNode
是否允许任意对象作为其data
属性,并且它的children
是一个TreeNode
数组? - jcalzroles
属性的元素类型是什么?它们与role
对象的类型相同吗? - jcalz