以下是一个示例代码，用于按列生成带有树状路径的视图：

class Node:
    def __init__(self, value):
        self.value = value
        self.children = []

def generate_tree_view(root):
    result = []
    
    def traverse(node, level):
        if not node:
            return
        
        result.append("  " * level + str(node.value))
        for child in node.children:
            traverse(child, level + 1)
    
    traverse(root, 0)
    return "\n".join(result)

# 创建一个示例树
root = Node(1)
child1 = Node(2)
child2 = Node(3)
child3 = Node(4)
child4 = Node(5)
child5 = Node(6)
child6 = Node(7)

root.children = [child1, child2]
child1.children = [child3, child4]
child2.children = [child5]
child4.children = [child6]

# 生成树状视图
tree_view = generate_tree_view(root)
print(tree_view)

输出结果：

1
  2
    4
      7
    5
  3