我有一个问题,可以从平坦数组中创建一个以点分离格式的parent值的格式数组。喜欢..
- admin是用户的父母:用户父母
admin
- 用户是测试:测试父母是
admin.user
。
我想要数据的格式是。
admin: {
data: {...admin obj..},
children: [{
user: {
data: {...user obj...},
children: [..and so on]
}
}]
}
提供的数据格式为
[{
"name": "admin",
"display_name": "Menu",
"type": 1,
"applies_to": null,
"perm_parent_id": null,
"description": "Can see the admin menu item"
}, {
"name": "admin.users",
"display_name": "Menu",
"type": 1,
"applies_to": null,
"perm_parent_id": "admin",
"description": null
}, {
"name": "admin.users.edit",
"display_name": "Edit",
"type": 1,
"applies_to": null,
"perm_parent_id": "admin.users",
"description": null
}, {
"name": "admin.users.view",
"display_name": "View",
"type": 1,
"applies_to": null,
"perm_parent_id": "admin.users",
"description": null
}, {
"name": "admin.groups",
"display_name": "Groups & Permissions",
"type": 1,
"applies_to": null,
"perm_parent_id": "admin",
"description": null
}]
到目前为止,我所做的是:
var groups = myjson.reduce(function(arr, a) {
var key = a['perm_parent_id'];
var level = keys.length;
if (a['perm_parent_id'] === null) {
arr[key] = arr[key] || {}
arr[key]["data"] = a || {};
arr[key]["children"] = [];
} else {
arr[key] = arr[key] || {}
arr[key] = arr[key] || {};
arr[key]["children"] = arr[key]["children"] || [];
arr[key]["children"].push(a);
}
return arr;
}, {})
您可以通过将名称分开并通过每个步骤将给定的hash键带有给定信息来使用嵌套的哈希表方法。
var data = [{ name: "admin", display_name: "Menu", type: 1, applies_to: null, perm_parent_id: null, description: "Can see the admin menu item" }, { name: "admin.users", display_name: "Menu", type: 1, applies_to: null, perm_parent_id: "admin", description: null }, { name: "admin.users.edit", display_name: "Edit", type: 1, applies_to: null, perm_parent_id: "admin.users", description: null }, { name: "admin.users.view", display_name: "View", type: 1, applies_to: null, perm_parent_id: "admin.users", description: null }, { name: "admin.groups", display_name: "Groups & Permissions", type: 1, applies_to: null, perm_parent_id: "admin", description: null }],
result = [],
hash = { _: result };
data.forEach(function (o) {
o.name.split('.').reduce(function (r, k) {
if (!r[k]) {
r[k] = { _: [] };
r._.push({ data: o, children: r[k]._ });
}
return r[k];
}, hash);
});
console.log(result);
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