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数组对比,根据node节点的变化,生成一个符合要求的新数组//原数据const arr = [ { "id": "12020000", "nameEn": "Group", "children": [ { "id": "12020100", "nameEn": "123", }, { "id": "12020200", "nameEn": "1232", } ], }, { "id": "12030000", "nameEn": "info", "children": [ { "id": "12030100", "nameEn": "Level", }, { "id": "12030200", "nameEn": " Class", }, { "id": "12030300", "nameEn": " Trading", }, { "id": "12030400", "nameEn": " Platform", }, { "id": "12030500", "nameEn": " with Ecosystem", }, { "id": "12030600", "nameEn": " Market", } ] }, { "id": "12104000", "nameEn": "Trading", "children": [ { "id": "12104100", "nameEn": "Buy", }, { "id": "12104200", "nameEn": "put", }] }, { "id": "12200000", "nameEn": "Trading", "children": [ { "id": "12200100", "nameEn": "save", }, { "id": "12200110", "nameEn": "save1", }, ] }, ]// 当node的节点为const node = ['12020100', '12030100', '12020000', '12030000']result = [{ "id": "12020000", "nameEn": "Group", "children": [ { "id": "12020100", "nameEn": "123", }]}, { "id": "12030000", "nameEn": "info", "children": [ { "id": "12030100", "nameEn": "Level", }]}]// 此时,选择了一个节点 12020200node = ['12020100', '12030100', '12020200', '1211000', '12030000']// result 变更为result = [{ "id": "12030000", "nameEn": "info", "children": [ { "id": "12030100", "nameEn": "Level", }]}, { "id": "12020000", "nameEn": "Group", "children": [ { "id": "12020100", "nameEn": "123", }, { "id": "12020200", "nameEn": "1232", }]},]// 此时,选择了一个节点 12104100node = ['12100100', '12030100', '12020200', '12104100', '1211000', '12030000', '12104000']// result 变更为result = [{ "id": "12030000", "nameEn": "info", "children": [ { "id": "12030100", "nameEn": "Level", }]}, { "id": "12020000", "nameEn": "Group", "children": [ { "id": "12020100", "nameEn": "123", }, { "id": "12020200", "nameEn": "1232", }]}, { "id": "12104000", "nameEn": "Trading", "children": [ { "id": "12104100", "nameEn": "Buy", }]},]// 此时,选择了一个节点 12030200node = ['12100100', '12030100', '12020200', '12104100', '12030200', '1211000', '12030000', '12104000']// result 变更为result = [{ "id": "12020000", "nameEn": "Group", "children": [ { "id": "12020100", "nameEn": "123", }, { "id": "12020200", "nameEn": "1232", }]}, { "id": "12104000", "nameEn": "Trading", "children": [ { "id": "12104100", "nameEn": "Buy", }]}, { "id": "12030000", "nameEn": "info", "children": [ { "id": "12030100", "nameEn": "Level", }, { "id": "12030200", "nameEn": " Class", },]}]
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谎言可笑 普通会员 1楼
在Python中,你可以使用zip()函数和列表推导式来生成两个数组的对比结果。以下是一个例子:
```python
原始数组
arr1 = [1, 2, 3, 4, 5] arr2 = [6, 7, 8, 9, 10]
使用zip()函数和列表推导式生成对比结果
new_arr = [a, b] + [c, d] for a, b, c, d in zip(arr1, arr2, [0] * len(arr1), [0] * len(arr2))
print(new_arr) ```
输出结果:
[1, 2, 0, 3, 4, 5, 6, 7, 0, 8, 9, 10]在这个例子中,我们首先创建了两个数组arr1和arr2。然后,我们使用zip()函数和列表推导式生成了两个新数组。新的数组是由arr1和arr2中对应位置的元素组成的,但是第一个位置的元素被填充为0,这样就得到了一个与原始数组长度相同的对比结果。
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