// 使用father_id和id去筛选,找到父级并添加进去
// 原始数据
let routeList = [
{ father_id: 0, id: 1, name: '一级菜单-1' },
{ father_id: 0, id: 2, name: '一级菜单-2' },
{ father_id: 0, id: 3, name: '一级菜单-3' },
{ father_id: 1, id: 1, name: '菜单1-1' },
{ father_id: 1, id: 2, name: '菜单1-2' },
{ father_id: 1, id: 3, name: '菜单1-3' },
{ father_id: 2, id: 4, name: '菜单2-1' },
{ father_id: 2, id: 5, name: '菜单2-2' },
{ father_id: 2, id: 6, name: '菜单2-3' },
{ father_id: 3, id: 7, name: '菜单3-1' },
{ father_id: 3, id: 8, name: '菜单3-2' },
{ father_id: 3, id: 9, name: '菜单3-3' }
]
// 期望结果数据
let resultList = [
{
father_id: 0,
id: 1,
name: '一级菜单-1',
children: [
{ father_id: 1, id: 1, name: '菜单1-1' },
{ father_id: 1, id: 2, name: '菜单1-2' },
{ father_id: 1, id: 3, name: '菜单1-3' }
]
},
{
father_id: 0,
id: 2,
name: '一级菜单-2',
children: [
{ father_id: 2, id: 4, name: '菜单2-1' },
{ father_id: 2, id: 5, name: '菜单2-2' },
{ father_id: 2, id: 6, name: '菜单2-3' }
]
},
{
father_id: 0,
id: 3,
name: '一级菜单-3',
children: [
{ father_id: 3, id: 7, name: '菜单3-1' },
{ father_id: 3, id: 8, name: '菜单3-2' },
{ father_id: 3, id: 9, name: '菜单3-3' }
]
}
]
用ES6的方法,有什么完美的代码方案吗
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2条回答 默认 最新
关注 不知道是不是只有两层,多的话自己加个判断嵌套层数,而且你的父级和子级在同一个数据集里,那么id也不应该重复,不可以同时存在两个1、2、3,多层级的话你这样影响数据处理,我被迫拆分两个数组,如果id不重复不用拆出来,明白我的意思不
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> </head> <style></style> <body></body> <script> let routeList = [ { father_id: 0, id: 1, name: "一级菜单-1" }, { father_id: 0, id: 2, name: "一级菜单-2" }, { father_id: 0, id: 3, name: "一级菜单-3" }, { father_id: 1, id: 1, name: "菜单1-1" }, { father_id: 1, id: 2, name: "菜单1-2" }, { father_id: 1, id: 3, name: "菜单1-3" }, { father_id: 2, id: 4, name: "菜单2-1" }, { father_id: 2, id: 5, name: "菜单2-2" }, { father_id: 2, id: 6, name: "菜单2-3" }, { father_id: 3, id: 7, name: "菜单3-1" }, { father_id: 3, id: 8, name: "菜单3-2" }, { father_id: 3, id: 9, name: "菜单3-3" }, ]; const fatherList = []; const childList = []; routeList.map((cur) => { const { father_id } = cur; father_id === 0 ? fatherList.push(cur) : childList.push(cur); }); const resultList = fatherList.map((cur) => { const { id } = cur; const tempChildList = childList.filter((child) => child.father_id === id); cur["children"] = tempChildList; return cur; }); console.log(resultList) </script> </html>
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