@[toc]

base

from pyecharts import options as opts
from pyecharts.charts import Graph

nodes = [
    {"name": "結(jié)點(diǎn)1", "symbolSize": 10},
    {"name": "結(jié)點(diǎn)2", "symbolSize": 20},
    {"name": "結(jié)點(diǎn)3", "symbolSize": 30},
    {"name": "結(jié)點(diǎn)4", "symbolSize": 40},
    {"name": "結(jié)點(diǎn)5", "symbolSize": 50},
    {"name": "結(jié)點(diǎn)6", "symbolSize": 40},
    {"name": "結(jié)點(diǎn)7", "symbolSize": 30},
    {"name": "結(jié)點(diǎn)8", "symbolSize": 20},
]
links = []
for i in nodes:
    for j in nodes:
        links.append({"source": i.get("name"), "target": j.get("name")})
c = (
    Graph()
    .add("", nodes, links, repulsion=8000)
    .set_global_opts(title_opts=opts.TitleOpts(title="Graph-基本示例"))
    .render("graph_base.html")
)

graph_weibo

import json

from pyecharts import options as opts
from pyecharts.charts import Graph

with open("weibo.json", "r", encoding="utf-8") as f:
    j = json.load(f)
    nodes, links, categories, cont, mid, userl = j
c = (
    Graph()
    .add(
        "",
        nodes,
        links,
        categories,
        repulsion=50,
        linestyle_opts=opts.LineStyleOpts(curve=0.2),
        label_opts=opts.LabelOpts(is_show=False),
    )
    .set_global_opts(
        legend_opts=opts.LegendOpts(is_show=False),
        title_opts=opts.TitleOpts(title="Graph-微博轉(zhuǎn)發(fā)關(guān)系圖"),
    )
    .render("graph_weibo.html")
)

npm dependencies

import asyncio
from aiohttp import TCPConnector, ClientSession

import pyecharts.options as opts
from pyecharts.charts import Graph

async def get_json_data(url: str) -> dict:
    async with ClientSession(connector=TCPConnector(ssl=False)) as session:
        async with session.get(url=url) as response:
            return await response.json()

# 獲取官方的數(shù)據(jù)
data = asyncio.run(
    get_json_data(
        url="https://echarts.apache.org/examples/data/asset/data/npmdepgraph.min10.json"
    )
)

nodes = [
    {
        "x": node["x"],
        "y": node["y"],
        "id": node["id"],
        "name": node["label"],
        "symbolSize": node["size"],
        "itemStyle": {"normal": {"color": node["color"]}},
    }
    for node in data["nodes"]
]

edges = [
    {"source": edge["sourceID"], "target": edge["targetID"]} for edge in data["edges"]
]


(
    Graph(init_opts=opts.InitOpts(width="1600px", height="800px"))
    .add(
        series_name="",
        nodes=nodes,
        links=edges,
        layout="none",
        is_roam=True,
        is_focusnode=True,
        label_opts=opts.LabelOpts(is_show=False),
        linestyle_opts=opts.LineStyleOpts(width=0.5, curve=0.3, opacity=0.7),
    )
    .set_global_opts(title_opts=opts.TitleOpts(title="NPM Dependencies"))
    .render("npm_dependencies.html")
)

les_miserables

import json
from pyecharts import options as opts
from pyecharts.charts import Graph


with open("les-miserables.json", "r", encoding="utf-8") as f:
    j = json.load(f)
    nodes = j["nodes"]
    links = j["links"]
    categories = j["categories"]

c = (
    Graph(init_opts=opts.InitOpts(width="1000px", height="600px"))
    .add(
        "",
        nodes=nodes,
        links=links,
        categories=categories,
        layout="circular",
        is_rotate_label=True,
        linestyle_opts=opts.LineStyleOpts(color="source", curve=0.3),
        label_opts=opts.LabelOpts(position="right"),
    )
    .set_global_opts(
        title_opts=opts.TitleOpts(title="Graph-Les Miserables"),
        legend_opts=opts.LegendOpts(orient="vertical", pos_left="2%", pos_top="20%"),
    )
    .render("graph_les_miserables.html")
)