pyqt5+爬虫实现简单的天气的展示
前言
调用的api是和风天气的api。
正文
主页面
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from display import Display
from init import weather_data
# weather_data 爬虫返回的数据
class only(QWidget):
def __init__(self):
super().__init__()
self.get = None
self.label = None
self.cin = None
self.ok = None
self.lose = None
self.data=None
#可以不要，不影响
self.initui()
def initui(self):
self.resize(565, 364)
# 按钮
self.ok = QPushButton(self)
self.ok.setText("确定")
self.ok.setGeometry(140, 240, 93, 28)
self.ok.clicked.connect(self.a)
#输入框
self.cin = QLineEdit(self)
self.cin.setGeometry(140, 170, 211, 21)
#标签
self.label = QLabel(self)
self.label.setText("输入城市")
self.label.setGeometry(210, 120, 72, 15)
#按钮
self.lose = QPushButton(self)
self.lose.setGeometry(270, 240, 93, 28)
self.lose.setText("取消")
self.lose.clicked.connect(self.b)
self.setWindowTitle('天气预报')
#确定事件
def a(self):
if not self.ok.isChecked():
text=self.cin.text()
self.get=weather_data()
self.data=self.get.start(text)
display=Display(self.data)
#取消事件
def b(self):
self.close()
if __name__ == '__main__':
app = QApplication(sys.argv)
app.setStyle(QStyleFactory.create('Fusion'))
a=only()
a.show()
sys.exit(app.exec_())
# 先用qt designer 设置出页面
# 简单点，就是一个lanbel，一个lineedit，两个按钮
# 再用pyuic把ui文件转换成py(或者python命令)
# 再对转换后的py文件进行修改如图
输入一个城市
比如--成都
展示如下页面
就一个QTableWidget和一个QPushButton控件。
整个页面是个对话框
display.py页面
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
class Display(QDialog):
def __init__(self,a:list):
#需要闯入参数a
super().__init__()
self.data=a
self.initui()
def initui(self):
self.resize(1704, 616)
self.setWindowFlags(Qt.WindowMinMaxButtonsHint | Qt.WindowCloseButtonHint)
self.setWindowTitle("展示框")
self.init_insert_data()
close = QPushButton(self)
close.setGeometry(1600, 580, 93, 28)
close.setText("关闭")
close.clicked.connect(self.a)
self.show()
self.exec_()
#插入数据
def init_insert_data(self):
header = self.data[0]
table = QTableWidget(0, len(header),self)
table.setGeometry(10, 31, 1640, 300)
for i, t in enumerate(header):
item = QTableWidgetItem()
item.setText(f'{t}')
table.setHorizontalHeaderItem(i, item)
del self.data[0]
row_count = table.rowCount()
for i in self.data:
table.insertRow(row_count)
for ids, t in enumerate(i):
cell = QTableWidgetItem(str(t))
table.setItem(row_count, ids, cell)
row_count += 1
def a(self):
self.close()爬虫页面
import requests
import pandas as pd
import prettytable as pt
tb = pt.PrettyTable()
class weather:
def __init__(self):
pass
def start(self,a):
s = pd.read_csv(path)
#需要一个Location_ID，参数
t = s.loc[f'{a}']['Location_ID']
return self.get_data(t)
#链式调用
def get_data(self,a,show=False):
title = ['序号', '时间', '最高温', '最低温', '白天天气', '晚上天气', '白天的风', '白风级', '晚上的风', '晚风度', '湿度', '降水量', '紫外线']
tb.field_names = ['序号','时间', '最高温', '最低温', '白天天气', '晚上天气', '白天的风', '白风级', '晚上的风', '晚风度', '湿度', '降水量', '紫外线']
url = f'https://devapi.qweather.com/v7/weather/7d?key=需要申请&location={a}'
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.35'
}
r = requests.get(url=url, headers=headers)
json_data = r.json()
tians = json_data['daily']
c = [title]
num = 0
for tian in tians:
time = tian['fxDate']
tempMax = tian['tempMax']
tempMin = tian['tempMin']
textDay = tian['textDay']
textNight = tian['textNight']
dayfeng = tian['windDirDay']
dfengscale = tian['windSpeedDay']
nightfeng = tian['windDirNight']
nfengscale = tian['windSpeedNight']
shidu = tian['humidity']
water = tian['precip']
zi_wai_xian = tian['uvIndex']
tb.add_row([num,time,tempMax,tempMin,textDay,textNight,dayfeng,dfengscale,nightfeng,nfengscale,shidu,water,zi_wai_xian])
c.append([num, time, tempMax, tempMin, textDay, textNight, dayfeng, dfengscale, nightfeng, nfengscale, shidu, water, zi_wai_xian])
num += 1
if show:
print(tb)
return c
else:
return c
#数据c为为列表和风天气的控制台