中国天气网爬虫

╰+哭是因爲堅強的太久メ 2023-06-13 09:59 22阅读 0赞

import wx
    import wx.grid
    import sqlite3
    import requests
    from bs4 import BeautifulSoup
    
    class MyGrid(wx.grid.Grid):
        def __init__(self,parent):
            wx.grid.Grid.__init__(self,parent,pos=(20,40),size=(583,180))
    class MyFrame(wx.Frame):
        def __init__(self):
            wx.Frame.__init__(self,None,-1,'天气预报',size=(640,350))
            panel = wx.Panel(self)
            self.grid = MyGrid(panel)
            self.grid.CreateGrid(7, 5)
            self.name = '高淳'
            self.number = self.Get_number(self.name)
            data = self.Get_data(self.number)
            colLabels = ['天气情况', '最高温', '最低温', '风向', '风速']
            for i in range(5):
                self.grid.SetColLabelValue(i,colLabels[i])
            for i in range(7):
                self.grid.SetRowLabelValue(i,data[i][0])
            self.grid.SetLabelBackgroundColour('yellow')
            self.label=wx.StaticText(panel,-1,'未来一周内'
                                + self.name +
                                '天气（数据来源：中国天气网）',(200,10))
            self.bt = wx.Button(panel, -1, '更改地点', (130, 250))
            self.bt2 = wx.Button(panel, -1, '刷新', (360, 250))
            self.bt.Bind(wx.EVT_BUTTON, self.Event_change)
            self.bt2.Bind(wx.EVT_BUTTON, self.Event_refresh)
            self.Show_data(data)
        def Show_data(self,data):
            for i in range(7):
                for j in range(1,6):
                    self.grid.SetCellValue(i,j-1,data[i][j])
            self.grid.SetColSize(0,150)
            self.grid.SetColSize(1,40)
            self.grid.SetColSize(2, 40)
            self.grid.SetColSize(3, 150)
            self.grid.SetColSize(4, 120)
        def Event_change(self,e):
            dlg = wx.TextEntryDialog(self,'输入地点：','更改地点')
            if dlg.ShowModal() == wx.ID_OK:
                name = dlg.GetValue()
                result = self.Get_number(name)
                if result:
                    self.name = name
                    self.number = result
                    data = self.Get_data(result)
                    self.label.SetLabel('未来一周内'
                                  + self.name +
                                  '天气（数据来源：中国天气网）')
                    self.Show_data(data)
        def Event_refresh(self,e):
            data = self.Get_data(self.number)
            self.Show_data(data)
        def Get_number(self,name):
            conn = sqlite3.connect('citynum.db')
            cursor = conn.cursor()
            cursor.execute('select * from user where name=?', (name,))
            try:
                number = cursor.fetchone()
            except ValueError:
                return None
            cursor.close()
            conn.close()
            return number[0]
        def Get_data(self,number):
            url = 'http://www.weather.com.cn/weather/' + number + '.shtml'
            response = requests.get(url)  # 获取请求数据
            response.encoding = "utf-8"  # 编码为utf-8，解决中文乱码的问题
            string = response.text  # 转换为html文本格式
            soup = BeautifulSoup(string, features="lxml")  # beautisoup处理html格式
            wea_list = soup.select('li[class^="sky skyid"]')
            data = []
            for i in wea_list:
                date = i.select('h1')[0].text
                wea = i.select('p.wea')[0].get('title')
                htem = i.select('p.tem > span')
                if len(htem) == 0:
                    htem = 'None'
                else:
                    htem = htem[0].text
                ltem = i.select('p.tem > i')[0].text
                wd_list = i.select('p.win > em > span')
                if len(wd_list) == 2:
                    wd1 = wd_list[0].get('title')
                    wd2 = wd_list[1].get('title')
                    if wd1 == wd2:
                        wd = wd1
                    else:
                        wd = wd1+'转'+wd2
                else:
                    wd = wd_list[0].get('title')
                ws = i.select('p.win > i')[0].text
                temp = (date,wea, htem, ltem, wd, ws)
                data.append(temp)
            return data
    
    app = wx.App()
    frame = MyFrame()
    frame.Show()
    app.MainLoop()