import json

 import os

 from pyecharts import options as opts

 from pyecharts.charts import Graph, Page

 nodes = [

         {"name": "结点1", "symbolSize": 10},

         {"name": "结点2", "symbolSize": 20},

         {"name": "结点3", "symbolSize": 30},

         {"name": "结点4", "symbolSize": 40},

         {"name": "结点5", "symbolSize": 50},

         {"name": "结点6", "symbolSize": 40},

         {"name": "结点7", "symbolSize": 30},

         {"name": "结点8", "symbolSize": 20},

     ]

 links = []

 for i in nodes:

         for j in nodes:

             links.append({"source": i.get("name"), "target": j.get("name")})

 graph= (

         Graph()

         .add("", nodes, links, repulsion=8000)

         .set_global_opts(title_opts=opts.TitleOpts(title="Graph-基本示例"))

     )

 graph.render()