jqTree - 从json创建树数据 [英] jqTree - creating tree data from json
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问题描述
我正在尝试使用jqTree显示树 - http://mbraak.github.com/jqTree
I'm trying to display a tree using jqTree - http://mbraak.github.com/jqTree
我需要帮助从JSON创建树数据。
I need help with creating the tree data from JSON.
我的JSON数据如下所示:
My JSON data looks like this:
{
"d" : {
"results": [
{
"Title": "Committee A",
"ReportsToId": null,
"Rank": 1,
"Id": 5
},
{
"Title": "Committee B",
"ReportsToId": 5,
"Rank": 2,
"Id": 7
},
{
"Title": "Committee C",
"ReportsToId": 7,
"Rank": 3,
"Id": 13
},
{
"Title": "Committee D",
"ReportsToId": 13,
"Rank": 4,
"Id": 1
},
{
"Title": "Committee E",
"ReportsToId": 13,
"Rank": 4,
"Id": 3
}
]
}
}
我想最终得到这个:
var treeData = [
{
label: 'Committee A',
children: [
{
label: 'Committee B',
children: [
{
label: 'Committee C',
children: [
{ label: 'Committee D' },
{ label: 'Committee E' }
]
}]
}
]
}
];
推荐答案
这是一个改编自 http://www.jqwidgets.com/populating-jquery-tree-with-json-data/ :
var jqTreeData = function (data) {
var source = [];
var items = [];
// build hierarchical source.
for (i = 0; i < data.length; i++) {
var item = data[i];
var title = item["Title"];
var reportsToId = item["ReportsToId"];
var id = item["Id"];
if (items[reportsToId]) {
var item =
{
label: title
};
if (!items[reportsToId].children) {
items[reportsToId].children = [];
}
items[reportsToId].children[items[reportsToId].children.length] = item;
items[id] = item;
}
else {
items[id] =
{
label: title
};
source[0] = items[id];
}
}
return source;
}
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