一. pyecharts概述
pyecharts是基于ECharts图表库开发的python第三方模块。
ECharts是一个纯JavaScript的商业级图表库，兼容当前绝大部分浏览器，能够创建类型丰富，精美生动，可交互，可高度个性化定制的数据可视化效果。
安装：pip3 install pyecharts
二. 案例
2.1 图表配置项
from pyecharts import options as opts
from pyecharts.charts import Bar
from pyecharts.globals import ThemeType
x = ['连衣裙', '短裤', '运动套装', '牛仔裤', '针织衫', '半身裙', '衬衫', '阔腿裤', '打底裤']
y1 = [36, 56, 60, 78, 90, 20, 50, 70, 10]
y2 = [16, 30, 50, 90, 45, 10, 60, 54, 40]
chart = Bar(init_opts=opts.InitOpts(theme=ThemeType.DARK))
chart.add_xaxis(x)
chart.add_yaxis('分店A', y1)
chart.add_yaxis('分店B', y2)
chart.set_global_opts(title_opts=opts.TitleOpts(title='产品销售额对比图', pos_left='left'),
yaxis_opts=opts.AxisOpts(name='销售业绩(元)', name_location='end'),
xaxis_opts=opts.AxisOpts(name='产品', name_location='end'),
tooltip_opts=opts.TooltipOpts(is_show=True, formatter='{a}<br/>{b}:{c}', background_color='black', border_width=15),
legend_opts=opts.LegendOpts(is_show=False),
toolbox_opts=opts.ToolboxOpts(is_show=True, orient='horizontal'),
visualmap_opts=opts.VisualMapOpts(is_show=True, type_='color', min_=0, max_=100, orient='vertical'),
datazoom_opts=opts.DataZoomOpts(is_show=True, type_='slider'))
chart.render('图表配置项.html')
2.2 绘制漏斗图
import pyecharts.options as opts
from pyecharts.charts import Funnel
x = ['浏览商品', '放入购物车', '生成订单', '支付订单', '完成交易']
y = [1000, 900, 400, 360, 320]
data = [i for i in zip(x, y)]
chart = Funnel()
chart.add(series_name='人数', data_pair=data, label_opts=opts.LabelOpts(is_show=True, position='inside'), tooltip_opts=opts.TooltipOpts(trigger='item', formatter='{a}:{c}'))
chart.set_global_opts(title_opts=opts.TitleOpts(title='电商网站流量转化漏斗图', pos_left='center'), legend_opts=opts.LegendOpts(is_show=False))
chart.render('漏斗图.html')
import pyecharts.options as opts
from pyecharts.charts import Funnel
x = ['浏览商品', '放入购物车', '生成订单', '支付订单', '完成交易']
y = [1000, 900, 400, 360, 320]
data = [i for i in zip(x, y)]
chart = Funnel()
chart.add(series_name='人数', data_pair=data, sort_='ascending', gap=15, label_opts=opts.LabelOpts(is_show=True, position='inside'), tooltip_opts=opts.TooltipOpts(trigger='item', formatter='{a}:{c}'))
chart.set_global_opts(title_opts=opts.TitleOpts(title='电商网站流量转化漏斗图', pos_left='center'), legend_opts=opts.LegendOpts(is_show=False))
chart.render('漏斗图.html')
2.3 绘制涟漪特效散点图
import pandas as pd
import pyecharts.options as opts
from pyecharts.charts import EffectScatter
data = pd.read_excel('客户购买力统计表.xlsx')
x = data['年龄'].tolist()
y = data['消费金额(元)'].tolist()
chart = EffectScatter()
chart.add_xaxis(x)
chart.add_yaxis(series_name='年龄,消费金额(元)', y_axis=y,
label_opts=opts.LabelOpts(is_show=False),
symbol_size=15)
chart.set_global_opts(title_opts=opts.TitleOpts(title='客户购买力散点图'),
yaxis_opts=opts.AxisOpts(type_='value', name='消费金额(元)', name_location='middle', name_gap=40),
xaxis_opts=opts.AxisOpts(type_='value', name='年龄', name_location='middle', name_gap=40),
tooltip_opts=opts.TooltipOpts(trigger='item', formatter='{a}:{c}'))
chart.render('涟漪特效散点图.html')
2.4 绘制水球图
import pyecharts.options as opts
from pyecharts.charts import Liquid
a = 68
t = 100
chart = Liquid()
chart.add(series_name = '商品A', data = [a / t])
chart.set_global_opts(title_opts = opts.TitleOpts(title = '产品销售业绩达成率', pos_left = 'center'))
chart.render('水球图.html')
import pyecharts.options as opts
from pyecharts.charts import Liquid
a = 68
t = 100
chart = Liquid()
chart.add(series_name = '商品A', data = [a / t], shape = 'rect')
chart.set_global_opts(title_opts = opts.TitleOpts(title = '产品销售业绩达成率', pos_left = 'center'))
chart.render('水球图.html')
import pyecharts.options as opts
from pyecharts.charts import Liquid
a1 = 68
a2 = 120
a3 = 37
t = 100
chart = Liquid()
chart.set_global_opts(title_opts=opts.TitleOpts(title='产品销售业绩达成率', pos_left='center'))
chart.add(series_name='商品A', data=[a1 / t], center=['20%', '50%'])
chart.add(series_name='商品B', data=[a2 / t], center=['50%', '50%'])
chart.add(series_name='商品C', data=[a3 / t], center=['80%', '50%'])
chart.render('水球图.html')
2.5 绘制仪表盘
import pyecharts.options as opts
from pyecharts.charts import Gauge
chart = Gauge()
chart.add(series_name = '业务指标', data_pair = [('完成率', '62.25')], split_number = 10, radius = '80%', title_label_opts = opts.LabelOpts(font_size = 30, color = 'red', font_family = 'Microsoft YaHei'))
chart.set_global_opts(legend_opts = opts.LegendOpts(is_show = False), tooltip_opts = opts.TooltipOpts(is_show = True, formatter = '{a}<br/>{b}:{c}%'))
chart.render('仪表盘.html')
2.6 绘制词云图
import pandas as pd
import pyecharts.options as opts
from pyecharts.charts import WordCloud
data = pd.read_excel('电影票房统计.xlsx')
name = data['电影名称']
value = data['总票房(亿元)']
data1 = [z for z in zip(name, value)]
chart = WordCloud()
chart.add('总票房(亿元)', data_pair = data1, word_size_range = [6, 66])
chart.set_global_opts(title_opts=opts.TitleOpts(title = '电影票房分析', title_textstyle_opts = opts.TextStyleOpts(font_size = 30)), tooltip_opts = opts.TooltipOpts(is_show = True))
chart.render('词云图.html')
import pandas as pd
import pyecharts.options as opts
from pyecharts.charts import WordCloud
data = pd.read_excel('电影票房统计.xlsx')
name = data['电影名称']
value = data['总票房(亿元)']
data1 = [z for z in zip(name, value)]
chart = WordCloud()
chart.add('总票房(亿元)', data_pair = data1, shape = 'star', word_size_range = [6, 66])
chart.set_global_opts(title_opts=opts.TitleOpts(title = '电影票房分析', title_textstyle_opts = opts.TextStyleOpts(font_size = 30)), tooltip_opts = opts.TooltipOpts(is_show = True))
chart.render('词云图.html')
2.7 绘制K线图
import tushare as ts
data = ts.get_k_data('000005', start = '2010-01-01', end = '2020-01-01')
print(data.head())
data.to_excel('股价数据.xlsx', index = False)
import pandas as pd
from pyecharts import options as opts
from pyecharts.charts import Kline
data = pd.read_excel('股价数据.xlsx')
x = list(data['date'])
open = data['open']
close = data['close']
lowest = data['low']
highest = data['high']
y = [list(z) for z in zip(open, close, lowest, highest)]
chart = Kline()
chart.add_xaxis(x)
chart.add_yaxis('股价', y)
chart.set_global_opts(xaxis_opts = opts.AxisOpts(is_scale = True),
yaxis_opts = opts.AxisOpts(is_scale = True,
splitarea_opts = opts.SplitAreaOpts(is_show = True,
areastyle_opts = opts.AreaStyleOpts(opacity = 1))),
datazoom_opts = [opts.DataZoomOpts(type_ = 'inside')],
title_opts = opts.TitleOpts(title = '股价走势图'))
chart.render('K线图.html')
