使用Python和Pyecharts创建交互式地图

import wx
import wx.html2
import os
import time
import logging
from pyecharts import options as opts
from pyecharts.charts import Map
from pyecharts.globals import ThemeType
import random
 
# 设置日志记录以调试问题
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
 
class ChinaMapFrame(wx.Frame):
    def __init__(self, parent=None, title="中国地图展示"):
        # 设置框架为全屏大小
        screen_width, screen_height = wx.GetDisplaySize()
        super().__init__(parent, title=title, size=(screen_width, screen_height))
 
        # 创建一个垂直的sizer来管理布局
        sizer = wx.BoxSizer(wx.VERTICAL)
 
        # 创建WebView并将其添加到sizer，使其完全展开
        self.browser = wx.html2.WebView.New(self)
        sizer.Add(self.browser, proportion=1, flag=wx.EXPAND | wx.ALL, border=0)
 
        # 设置sizer和布局
        self.SetSizer(sizer)
        self.Layout()
        self.Centre()
        self.Maximize(True)  # 最大化以确保全屏
        self.Show()
 
        # 创建并加载中国地图
        self.create_china_map()
 
    def create_china_map(self):
        """创建上海地图并在WebView中显示"""
        logging.debug("开始创建上海地图")
 
        # 上海示例数据（替换为您自己的实际数据）
        shanghai_districts = [
            "黄浦区", "徐汇区", "长宁区", "静安区", "普陀区", "虹口区", "杨浦区", "闵行区",
            "宝山区", "嘉定区", "浦东新区", "金山区", "松江区", "青浦区", "奉贤区", "崇明区"
        ]
        shanghai_values = [random.randint(30, 120) for _ in range(len(shanghai_districts))]  # 生成随机数据
        shanghai_data = list(zip(shanghai_districts, shanghai_values))
 
        map_chart = (
            Map(init_opts=opts.InitOpts(
                width="100vw",
                height="100vh",
                theme=ThemeType.LIGHT,
                page_title="上海地图展示"
            ))
            .add("上海各区", shanghai_data, "上海", is_map_symbol_show=False, label_opts=opts.LabelOpts(is_show=True))  # 显示标签
            .set_global_opts(
                title_opts=opts.TitleOpts(title="上海市行政区域图"),
                visualmap_opts=opts.VisualMapOpts(
                    min_=0,
                    max_=120,
                    is_piecewise=True,
                    range_color=["#50a3ba", "#eac763", "#d94e5d"],  # 使用 range_color
                    orient="vertical",
                    pos_left="5%",
                    pos_bottom="5%"
                ),
                toolbox_opts=opts.ToolboxOpts(),
                tooltip_opts=opts.TooltipOpts(trigger="item", formatter="{b}: {c}"),
            )
        )
 
        # 生成HTML文件
        html_file = "shanghai_map.html"
        try:
            logging.debug(f"正在渲染上海地图到 {html_file}")
            map_chart.render(path=html_file)  # 不要在此处传递模板或环境。Pyecharts将生成完整的HTML。
            logging.debug(f"上海地图渲染成功到 {html_file}")
        except Exception as e:
            logging.error(f"渲染上海地图时出错：{e}", exc_info=True)
            return
 
        # 在WebView中加载HTML文件
        file_path = os.path.join(os.getcwd(), html_file)
        normalized_path = file_path.replace('\\', '/')
        file_url = f"file:///{normalized_path}"
        logging.debug(f"正在加载上海URL：{file_url}")
        self.browser.LoadURL(file_url)
 
 
def main():
    app = wx.App(False)
    frame = ChinaMapFrame()
    app.MainLoop()
 
 
if __name__ == "__main__":
    main()