var testData = [{
"id": "1",
"child": [{
"id": "1-1",
"child": []
}]
},
{
"id": "2",
"child": [{
"id": "2-1",
"child": [{
"id": "2-1-1",
"child": []
}]
},
{
"id": "2-2",
"child": [{
"id": "2-2-2",
"child": []
}]
}]
},
{
"id": "3",
"child": []
}];
var resultData = [{
"id": "1",
"child": [{
"id": "1-1",
"child": []
}],
"cid": "1-1"
},
{
"id": "2",
"child": [{
"id": "2-1",
"child": [{
"id": "2-1-1",
"child": []
}],
"cid": "2-1-1"
},
{
"id": "2-2",
"child": [{
"id": "2-2-1",
"child": []
}],
"cid": "2-2-1"
}],
"cid": "2-1-1"
},
{
"id": "3",
"child": []
}];
来源: http://www.bubuko.com/infodetail-2278471.html