Python Pyecharts绘制桑基图分析用户行为路径

from pyecharts import options as opts
from pyecharts.charts import Sankey
import pandas as pd
data = pd.read_excel('/Users/wangwangyuqing/Desktop/train.xlsx')
data

lis = data.columns.tolist()[:-1]
lis1 = lis[:-1]
lis2 = lis[1:]
data1 = pd.DataFrame()
for i in zip(lis1,lis2):  
    datai = data.pivot_table('ID',index=list(i),aggfunc='count').reset_index()
    datai.columns=[0,1,2]
    data1 = data1.append(datai)
data1

# 生成nodes
nodes = []
# 先添加几个顶级的父节点
nodes.append({'name':'C港口'})
nodes.append({'name':'Q港口'})
nodes.append({'name':'S港口'})
# 添加其他节点
for i in data1[1].unique():    
    dic = {}    
    dic['name'] = i    
    nodes.append(dic)
nodes

links = []
for i in data1.values:    
    dic = {}    
    dic['source'] = i[0]    
    dic['target'] = i[1]    
    dic['value'] = i[2]
    links.append(dic)
links

c = (
    Sankey(init_opts=opts.InitOpts(width="1200px", height="800px",theme='westeros'))
    .add(
        "",
        nodes=nodes,
        links=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="桑基图"))
    .render("/Users/wangwangyuqing/Desktop/image.html")
)