from pyecharts import options as opts
from pyecharts.charts import Sankey, Timeline
from pyecharts.faker import Faker
tl = Timeline()
names = ("商家A", "商家B", "商家C")
nodes = [{"name": name} for name in names]
for i in range(2015, 2020):
links = [
{"source": names[0], "target": names[1], "value": Faker.values()[0]},
{"source": names[1], "target": names[2], "value": Faker.values()[0]},
]
sankey = (
Sankey()
.add(
"sankey",
nodes,
links,
linestyle_opt=opts.LineStyleOpts(opacity=0.2, curve=0.5, color="source"),
label_opts=opts.LabelOpts(position="right"),
)
.set_global_opts(
title_opts=opts.TitleOpts(title="{}年商店（A, B, C）营业额差".format(i))
)
)
tl.add(sankey, "{}年".format(i))
tl.render("timeline_sankey.html")