import pandas as pd
import numpy as np

# 读取Excel文件中的数据
df = pd.read_excel("links.xls")

# 创建点的集合
points = set()
for index, row in df.iterrows():
    points.add((row[0], row[1]))
    points.add((row[2], row[3]))

# 为点分配唯一的整数标签
point_labels = {point: index for index, point in enumerate(points)}

# 创建一个空的邻接矩阵
num_points = len(points)
adj_matrix = np.zeros((num_points, num_points), dtype=int)

# 填充邻接矩阵
for index, row in df.iterrows():
    point1 = (row[0], row[1])
    point2 = (row[2], row[3])

    point1_label = point_labels[point1]
    point2_label = point_labels[point2]

    adj_matrix[point1_label, point2_label] = 1
    adj_matrix[point2_label, point1_label] = 1

print(adj_matrix)