| #coding:utf-8 from tkinter import *   import re from time import sleep from urllib.request import urlopen from bs4 import BeautifulSoup import pandas import prettytable import matplotlib.pyplot as plt from datetime import datetime LOG_LINE_NUM = 0   class MY_GUI():     def __init__(self,init_window_name):         self.init_window_name = init_window_name       #设置窗口     def set_init_window(self):         self.init_window_name.title("天气预报")           #窗口名         self.init_window_name.geometry('1000x500+200+50')         #标签         self.init_data_label = Label(self.init_window_name, text="输入城市名")         self.init_data_label.grid(row=0, column=0)         self.result_data_label = Label(self.init_window_name, text="天气预测结果")         self.result_data_label.grid(row=0, column=12)         #文本框         self.init_data_Text = Text(self.init_window_name, width=20, height=1)  #城市名录入框         self.init_data_Text.grid(row=1, column=0, rowspan=2, columnspan=5)         self.result_data_Text = Text(self.init_window_name, width=100, height=30)  #处理结果展示         self.result_data_Text.grid(row=1, column=12, rowspan=10, columnspan=10)         #按钮         self.str_trans_to_md7_button = Button(self.init_window_name, text="获取天气情况", bg="lightblue", width=10,command=self.str_trans_to_md7)  # 调用内部方法  加()为直接调用         self.str_trans_to_md7_button.grid(row=1, column=11)         self.str_trans_to_img_button = Button(self.init_window_name, text="获取天气统计图", bg="lightblue", width=10,command=self.str_trans_to_img)  # 调用内部方法  加()为直接调用         self.str_trans_to_img_button.grid(row=2, column=11)       #功能函数     def str_trans_to_md7(self):         #储存天气情况的列表         date,wea,tem_high,tem_low,wind_dire,wind_speed = [],[],[],[],[],[]         #城市转ID         city_id = pandas.read_excel('city_id.xlsx')         dict_c = city_id.set_index('City_CN').T.to_dict('list')         city = self.init_data_Text.get(1.0,END).strip()         test_id = dict_c[city]         test_id.append("".join(filter(str.isdigit, test_id[0])))         print('城市ID:',test_id[1])         #爬七日天气         html_ID = "http://www.weather.com.cn/weather/"+test_id[1]+".shtml"         html = urlopen(html_ID)         soup = BeautifulSoup(html.read(),'html.parser')         ag_links = soup.find_all("li", {"class": re.compile('sky skyid lv\d')})         for ag in ag_links:             date.append(ag.h1.get_text())             wea.append(ag.p.get_text())             tem_high.append(ag.span.get_text())             win = re.findall('(?<= title=").*?(?=")', str(ag.find('p','win').find('em'))) #正则问题的处理,摘自csdn             wind_dire.append( '-'.join(win))         for i in range(7):             tem_low.append(soup.select('.tem i')[i].get_text())             wind_speed.append(soup.select('.win i')[i].get_text())         #输出图表         table_ = prettytable.PrettyTable()         table_.field_names = ['日期','天气', '最高温度','最低温度','风向','风力']         for i in range(0,len(date)):             table_.add_row([date[i], wea[i], tem_high[i],tem_low[i],wind_dire[i],wind_speed[i]])         print(city,'七日天气')         print(table_)         weafile=open("近七日天气.txt","w+")         weafile.write(city)         weafile.write(test_id[1]+'/n')         weafile.write(str(table_))         weafile.close         self.result_data_Text.delete(1.0,END)         self.result_data_Text.insert(1.0,table_)     def str_trans_to_img(self):#进行统计图的制作         infopen = open('近七日天气.txt', 'r', encoding='gbk')         outopen = open('out1.txt', 'w', encoding='gbk')         lines = infopen.readlines()         for line in lines:             if line.split():                 outopen.writelines(line)             else:                 outopen.writelines("")         infopen.close()         outopen.close()         with open("out1.txt", encoding='gbk') as fp_in:             with open('out.txt', 'w', encoding='gbk') as fp_out:                 fp_out.writelines(line for i, line in enumerate(fp_in) if i > 2 and i<10)         # clearnumber         file = open("out.txt", "r")  # 以只读模式读取文件         something=file.readlines()         new=[]         for x in something:             first = x.strip('\n')             second=first.split()             while '|' in second:                 second.remove('|')             new.append(second)           dates, highs, lows = [], [], []         for day in range(7):             highs.append(int(new[day][2]))             lows.append(int(new[day][3][0:2]))             dates.append(new[day][0])           fig = plt.figure(dpi=128, figsize=(10, 6))         plt.plot(dates, highs, c='red', alpha=0.5) # alpha指定颜色透明度         plt.plot(dates, lows, c='blue', alpha=0.5) # 注意dates和highs 以及lows是匹配对应的         plt.fill_between(dates, highs, lows, facecolor='blue', alpha=0.1) # facecolor指定了区域的颜色         # 设置图形格式         plt.rcParams['font.sans-serif']=['SimHei'] #显示中文标签         plt.rcParams['axes.unicode_minus']=False         plt.title("近七日温度", fontsize=24)         plt.xlabel('', fontsize=14)         fig.autofmt_xdate() # 让x轴标签斜着打印避免拥挤         plt.ylabel('Temperature(℃)', fontsize=14)         plt.tick_params(axis='both', which='major', labelsize=14)         plt.savefig('温度折线图.jpg')         plt.show()             dic_wea = {}         for i in range(0, 7):             if new[i][1] in dic_wea.keys():                 dic_wea[new[i][1]] += 1             else:                 dic_wea[new[i][1]] = 1         plt.rcParams['font.sans-serif'] = ['SimHei']         print(dic_wea)         explode = [0.01] * len(dic_wea.keys())         color = ['lightskyblue', 'silver', 'yellow', 'salmon', 'grey', 'lime', 'gold', 'red', 'green', 'pink']         plt.pie(dic_wea.values(), explode=explode, labels=dic_wea.keys(), autopct='%1.1f%%', colors=color)         plt.title('未来7天气候分布饼图')         plt.savefig('气候饼图.jpg')         plt.show()                         def gui_start():     init_window = Tk()              #实例化出一个父窗口       ZMJ_PORTAL = MY_GUI(init_window)           ZMJ_PORTAL.set_init_window()    # 设置根窗口默认属性       init_window.mainloop()          #父窗口进入事件循环,可以理解为保持窗口运行,否则界面不展示     gui_start() |