递归循环（多层找位置id）

亦凉 2022-05-21 02:44 105阅读 0赞

用递归实现找到父元素的ID，任意位置找父元素

好难啊，循环找到。

"Id" : 59,

"ParentId" : 0,

"nodetype" : "Org",

"TmplTypeId" : 1,

"Name" : "DEL",

"DisplayName" : "DEL",

"Lev" : 1,

"Logo" : "1",

"Children" : \[\]

\},

"Id" : 63,

"ParentId" : 0,

"nodetype" : "Org",

"TmplTypeId" : 1,

"Name" : "LLLLL",

"DisplayName" : "LLLLL",

"Lev" : 1,

"Logo" : "1",

"Children" : \[

"Id" : 77,

"ParentId" : 63,

"nodetype" : "Org",

"TmplTypeId" : 1,

"Name" : "ttt",

"DisplayName" : "ttt",

"Lev" : 2,

"Logo" : "2",

"Children" : \[\]

\},

"Id" : 65,

"ParentId" : 0,

"nodetype" : "Org",

"TmplTypeId" : 1,

"Name" : "MMM",

"DisplayName" : "MMM",

"Lev" : 1,

"Logo" : "2",

"Children" : \[\]

\},

"Id" : 1,

"ParentId" : 0,

"nodetype" : "Org",

"TmplTypeId" : 1,

"Name" : "GSD Group",

"DisplayName" : "GSD Group",

"Lev" : 1,

"Logo" : "1.png",

"Children" : \[

"Id" : 2,

"ParentId" : 1,

"nodetype" : "Org",

"TmplTypeId" : 3,

"Name" : "HuaDong",

"DisplayName" : "HuaDong",

"Lev" : 3,

"Logo" : "1",

"Children" : \[

"Id" : 7,

"ParentId" : 2,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "BaiShouCun",

"DisplayName" : "BaiShouCun",

"Lev" : 3,

"Logo" : "5.png",

"Children" : \[\]

\},

"Id" : 8,

"ParentId" : 2,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "GeiPaiShui",

"DisplayName" : "ChuanYuan GeiPaiShui Site",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 10,

"ParentId" : 2,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "KunShan Sewage Factory",

"DisplayName" : "KunShan Sewage Factory",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 6,

"ParentId" : 2,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "MaoJiaBang",

"DisplayName" : "Maojiabang",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 9,

"ParentId" : 2,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "HaiMianFactory",

"DisplayName" : "HaiMianFactory",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 3,

"ParentId" : 1,

"nodetype" : "Org",

"TmplTypeId" : 3,

"Name" : "HuaNan",

"DisplayName" : "HuaNan",

"Lev" : 2,

"Logo" : "3.png",

"Children" : \[

"Id" : 5,

"ParentId" : 3,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "FuZhou Sewage Factory",

"DisplayName" : "FuZhou Sewage Factory",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 4,

"ParentId" : 1,

"nodetype" : "Org",

"TmplTypeId" : 3,

"Name" : "TaiWan",

"DisplayName" : "TaiWan",

"Lev" : 3,

"Logo" : "1",

"Children" : \[

"Id" : 12,

"ParentId" : 4,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "PingZhen Sewage Factory",

"DisplayName" : "PingZhen Sewage Factory",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 14,

"ParentId" : 4,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "GaoXiong Sewage Factory",

"DisplayName" : "GaoXiong Sewage Factory",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 13,

"ParentId" : 4,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "GongYanYuan ZhongXing Park",

"DisplayName" : "GongYanYuan ZhongXing Park",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

\},

"Id" : 11,

"ParentId" : 4,

"nodetype" : "Org",

"TmplTypeId" : 2,

"Name" : "Beiqu Water Resource Recovery Center",

"DisplayName" : "Beiqu Water resource recovery center",

"Lev" : 3,

"Logo" : "1.png",

"Children" : \[\]

function getParentObj( data, activeId)\{

let rootObj = \{\}

let cacheArray = \[\]

rootObj\[ 'Id'\] = 'root'

rootObj\[ 'Name'\] = 'Root'

rootObj\[ 'Children'\] = data

function recursion( data)\{

if( data. Children. some( value => value. Id === activeId))\{

cacheArray. push( data)

return

var isM = data. Children. filter( value =>\{

return value. Children. length > 0

\})

for( var item of isM)\{

recursion( item)

recursion( rootObj)

if( cacheArray. length<= 0)\{

return rootObj

\} else\{

return cacheArray\[ 0\]

console. log( getParentObj( data, 7))

var obj = getParentObj( data, 7)

console. log( obj)

console. log( obj. Id)

这是找到了父元素id，好难呀，代码好难写！！！

![70][]

[70]: /images/20220521/abdbb13d2f334314b90e292ca22f5dbc.png

递归循环（多层找位置id）

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