[英]javascript - hierarchical JSON from JSON converted from wrapper class list in apex
我通过序列化包装器类列表获得了JSON:
{
"tree": [{
"Id": "1",
"Children": ["2", "3"]
}, {
"Id": "2",
"Children": []
}, {
"Id": "3",
"Children": []
}, {
"Id": "4",
"Children": ["1"]
}, {
"Id": "5",
"Children": ["4", "6"]
}, {
"Id": "6",
"Children": []
}]
}
我需要分层形式的JSON格式:
{
"tree": [{
"Id": "5",
"Children": [{
"Id": "4",
"Children": [{
"Id": "1",
"Children": [{
"Id": "2",
"Children": []
}, {
"Id": "3",
"Children": []
}]
}]
}, {
"Id": "6",
"Children": []
}]
}]
}
我需要获得这种JSON的分层形式,才能在visualforce页面上显示第n级的树结构。
这是解决此问题的方法,它将以分层格式格式化此JSON。
function convert(array)
{
var map = {}
for(var i = 0; i < array.length; i++)
{
var obj = array[i]
if(!(obj.Id in map))
{
map[obj.Id] = obj
map[obj.Id].children = []
}
if(typeof map[obj.Id].parent == 'undefined')
{
map[obj.Id].Id = obj.Id
map[obj.Id].parent= obj.parent
}
var parent = obj.parent || ' ';
if(!(parent in map))
{
map[parent] = {}
map[parent].children = []
}
map[parent].children.push(map[obj.Id])
}
return map[' ']
}
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