数据库数据变成树型结构
浏览数：17 /
时间：2015年06月12日
<?php
$arrData= array(
array(
"id" => "1",
"pid" => "0",
"name" => "山东"
),
array(
"id" => "2",
"pid" => "0",
"name" => "云南"
),
array(
"id" => "3",
"pid" => "1",
"name" => "济南"
),
array(
"id" => "4",
"pid" => "2",
"name" => "大理"
),
array(
"id" => "7",
"pid" => "3",
"name" => "历下区"
),
array(
"id" => "8",
"pid" => "7",
"name" => "大明湖"
),
array(
"id" => "9",
"pid" => "1",
"name" => "青岛"
),
array(
"id" => "10",
"pid" => "3",
"name" => "**县"
),
);
$arrReData = array();
$result = array();
foreach($arrData as &$data){
$arrReData[$data["id"]] = $data;
if($data["pid"]!="0" && isset($arrReData[$data["pid"]])){
if(!isset($arrReData[$data["pid"]]["children"])){
$arrReData[$data["pid"]]["children"] = array();
}
$arrReData[$data["pid"]]["children"][] = &$arrReData[$data["id"]];
}else{
$result[] = &$arrReData[$data["id"]];
}
}
print_r($result);
Array
(
[0] => Array
(
[id] => 1
[pid] => 0
[name] => 山东
[children] => Array
(
[0] => Array
(
[id] => 3
[pid] => 1
[name] => 济南
[children] => Array
(
[0] => Array
(
[id] => 7
[pid] => 3
[name] => 历下区
[children] => Array
(
[0] => Array
(
[id] => 8
[pid] => 7
[name] => 大明湖
)
)
)
[1] => Array
(
[id] => 10
[pid] => 3
[name] => **县
)
)
)
[1] => Array
(
[id] => 9
[pid] => 1
[name] => 青岛
)
)
)
[1] => Array
(
[id] => 2
[pid] => 0
[name] => 云南
[children] => Array
(
[0] => Array
(
[id] => 4
[pid] => 2
[name] => 大理
)
)
)
)
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