您必须致电
nx.draw_networkx_edge_labels()，这将使您能够…绘制networkX边缘标签:)
编辑：完整修改的源
#!/usr/bin/pythonimport networkx as nximport matplotlib.pyplot as pltG=nx.Graph()i=1G.add_node(i,pos=(i,i))G.add_node(2,pos=(2,2))G.add_node(3,pos=(1,0))G.add_edge(1,2,weight=0.5)G.add_edge(1,3,weight=9.8)pos=nx.get_node_attributes(G,'pos')nx.draw(G,pos)labels = nx.get_edge_attributes(G,'weight')nx.draw_networkx_edge_labels(G,pos,edge_labels=labels)plt.savefig(<wherever>)
