源码数据可视化：基于 Echarts + Python 实现的动态实时大屏范例7-用户分析.zip

# -*- coding: utf-8 -*- import time import json import random def read_config(config_file, section): with open(config_file, 'r', encoding="utf-8") as f: data = json.load(f) if section: return data[section] else: return data def write_config(config_file, data): with open(config_file, 'w', encoding="utf-8") as f: json.dump(data, f, ensure_ascii=False) f.close() # [12,34,56] def change_chart_value(filename, startValue, endValue): data = read_config(filename, "") dataLen = len(data) i = 0 while i < dataLen: data[i] = random.randint(startValue, endValue) i = i + 1 write_config(filename, data) # 修改pie饼图key, value 键值对数组 # [{"value": "34000", "name": "34000"}] def change_chart_pie(filename, startValue, endValue): # print("change_chart_bar") data = read_config(filename, "") for node in data: node["value"] = random.randint(startValue, endValue) write_config(filename, data) # 仅修改data数组的value值 def change_chart_bar(filename, startValue, endValue): # print("change_chart_bar") data = read_config(filename, "") for node in data: node["value"] = random.randint(startValue, endValue) write_config(filename, data) # {"xAxis":{"data":["2:00", "4:00", "6:00", "8:00", "10:00", "12:00", "14:00"]},"series":[{"data": [820, 932, 901, 934, 1290, 1330, 1320]}]} def change_chart_option(filename, startValue, endValue): data = read_config(filename, "") # xAxisData = data["xAxis"]["data"] series = data["series"] for node in series: dataList = node["data"] dataLen = len(dataList) i = 0 while i < dataLen: dataList[i] = random.randint(startValue, endValue) i = i + 1 write_config(filename, data) # [{"name": "武汉", "value": [114.31, 30.52, 172]}, {"name": "大庆", "value": [125.03, 46.58, 26]}] def change_chart_map(filename, startValue, endValue): geoData = read_config(filename, "") for node in geoData: node["value"][2] = random.randint(startValue, endValue) write_config(filename, geoData) # [[2665, 1087, 2221, 3117],[2665, 1087, 2221, 3117],[2665, 1087, 2221, 3117]] def change_chart_bar_stacked(filename, startValue, endValue): data = read_config(filename, "") for node in data: nodeLen = len(node) i = 0 while i < nodeLen: node[i] = random.randint(startValue, endValue) i = i + 1 write_config(filename, data)