js 将数组返回带children的递归数组
toTree(data) {
let result = []
if (!Array.isArray(data)) {
return result
}
/*
data.forEach(item => {
delete item.children;
});
*/
let map = {};
data.forEach(item => {
map[item.id] = item;
});
data.forEach(item => {
let parent = map[item.pId];
if (parent) {
(parent.children || (parent.children = [])).push(item);
} else {
result.push(item);
}
});
return result;
},
原文地址:https://blog.csdn.net/weixin_46256404/article/details/137906117
免责声明:本站文章内容转载自网络资源,如本站内容侵犯了原著者的合法权益,可联系本站删除。更多内容请关注自学内容网(zxcms.com)!