11.7.2 不同類型商品銷售情況分析
爲了分析該企業不同類型商品的銷售額情況,繪製了不同商品銷售額的主題河流圖,Python代碼如下:
# -*- coding: utf-8 -*-
# -*- coding: utf-8 -*-
#聲明Notebook類型,必須在引入pyecharts.charts等模塊前聲明
from pyecharts.globals import CurrentConfig, NotebookType
CurrentConfig.NOTEBOOK_TYPE = NotebookType.JUPYTER_LAB
from pyecharts import options as opts
from pyecharts.charts import Page, ThemeRiver
from impala.dbapi import connect
#連接Hadoop數據庫
conn = connect(host='192.168.1.7', port=10000, database='sales',auth_mechanism='NOSASL',user='root')
cursor = conn.cursor()
#讀取Hadoop表數據
sql_num = "SELECT order_date,ROUND(SUM(sales),2),category FROM orders WHERE order_date>='2019-10-01' and order_date<='2019-10-31' GROUP BY category,order_date"
cursor.execute(sql_num)
sh = cursor.fetchall()
v1 = []
v2 = []
for s in sh:
v1.append([s[0],s[1],s[2]])
#畫主題河流圖
def themeriver() -> ThemeRiver:
c = (
ThemeRiver()
.add(
["辦公用品","傢俱","技術"],
v1,
singleaxis_opts=opts.SingleAxisOpts(type_="time", pos_bottom="10%"),
)
.set_global_opts(title_opts=opts.TitleOpts(title="不同類型商品銷售額比較分析", subtitle="2019年企業經營狀況"),
toolbox_opts=opts.ToolboxOpts(),
legend_opts=opts.LegendOpts(is_show=True)
)
)
return c
#第一次渲染時候調用load_javasrcript文件
themeriver().load_javascript()
#展示數據可視化圖表
themeriver().render_notebook()
在Jupyter lab中運行上述代碼,生成如圖11-7所示的主題河流圖。
圖11-7 主題河流圖