目录
一、实战场景
实战场景：如何绘制散点图查看商家和商品销售额之间的关系
二、主要知识点
三、菜鸟实战
马上安排！
1、创建 python 文件
"""
Author: 菜鸟实战
实战场景: 如何绘制散点图查看商家和商品销售额之间的关系
"""
# 导入系统包
import platform
from flask import Flask, render_template
from pyecharts import options as opts
from pyecharts.charts import *
from pyecharts.faker import Faker
print("Hello，菜鸟实战")
print("实战场景: 如何绘制散点图查看商家和商品销售额之间的关系 \n")
web = Flask(__name__)
# 数据构建
x_index = ["可乐", "雪碧", "橙汁", "绿茶", "奶茶", "青岛"]
y_value1 = [104, 147, 144, 112, 55, 99]
y_value2 = [78, 100, 116, 33, 99, 149]
def scatter_charts() -> Scatter():
# 实例化对象
scatter = Scatter()
# 采用Flask库直接获取颜色
scatter.add_xaxis(x_index)
scatter.add_yaxis("商家A", y_value1, color=Faker.rand_color())
scatter.add_yaxis("商家B", y_value2, color=Faker.rand_color())
# 全局置标题、标签
scatter.set_global_opts(
title_opts=opts.TitleOpts(title="如何绘制散点图查看商家和商品销售额之间的关系", subtitle="菜鸟实战，坚持学习！"),
legend_opts=opts.LegendOpts(type_="scroll", orient="vertical", pos_top="15%", pos_left="0%"),
visualmap_opts=opts.VisualMapOpts(type_="size", max_=150, min_=20)
)
return scatter
# 获取对象
p = scatter_charts()
# 绘制图形，生成HTML文件的
p.render('./templates/scatter_charts.html')
# 添加路由显示图表
@web.route('/')
def index():
return render_template('scatter_charts.html')
if __name__ == "__main__":
# 运行项目
web.run(debug=False)
print("Python 版本", platform.python_version())
2、运行结果
Hello，菜鸟实战
实战场景: 如何绘制散点图查看商家和商品销售额之间的关系* Serving Flask app 'py033' (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: off
* Running on http://127.0.0.1:5000 (Press CTRL+C to quit)
菜鸟实战，持续学习!