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本帖最后由 huhus123 于 2019-1-15 10:42 编辑
感觉PyQt5的学习资源比较少，只能摸着石头过河，简单写个小工具练练手。
窗体文件如下
[Python] 纯文本查看 复制代码 # -*- coding: utf-8 -*-
# Date:2018-12-12
#
# Created by: DaddyHu_CN
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.setWindowModality(QtCore.Qt.NonModal)
Form.setEnabled(True)
Form.resize(436, 336)
Form.setMinimumSize(QtCore.QSize(436, 336))
Form.setMaximumSize(QtCore.QSize(436, 336))
self.groupBox = QtWidgets.QGroupBox(Form)
self.groupBox.setGeometry(QtCore.QRect(10, 10, 421, 250))
self.groupBox.setObjectName("groupBox")
self.formLayout = QtWidgets.QFormLayout(self.groupBox)
self.formLayout.setObjectName("formLayout")
self.label = QtWidgets.QLabel(self.groupBox)
font = QtGui.QFont()
font.setFamily("Agency FB")
font.setPointSize(11)
self.label.setFont(font)
self.label.setObjectName("label")
self.formLayout.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.label)
self.weatherComboBox = QtWidgets.QComboBox(self.groupBox)
self.weatherComboBox.setObjectName("weatherComboBox")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.weatherComboBox.addItem("")
self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.weatherComboBox)
self.resultText = QtWidgets.QTextEdit(self.groupBox)
self.resultText.setEnabled(True)
self.resultText.setReadOnly(True)
self.resultText.setObjectName("resultText")
self.formLayout.setWidget(1, QtWidgets.QFormLayout.SpanningRole, self.resultText)
self.queryBtn = QtWidgets.QPushButton(Form)
self.queryBtn.setGeometry(QtCore.QRect(70, 280, 101, 31))
self.queryBtn.setObjectName("queryBtn")
self.clearBtn = QtWidgets.QPushButton(Form)
self.clearBtn.setEnabled(True)
self.clearBtn.setGeometry(QtCore.QRect(260, 280, 101, 31))
self.clearBtn.setObjectName("clearBtn")
self.queryBtn.raise_()
self.groupBox.raise_()
self.clearBtn.raise_()
self.retranslateUi(Form)
self.queryBtn.clicked.connect(Form.queryWeather)
self.clearBtn.clicked.connect(Form.clearResult)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "天气快速查询"))
self.groupBox.setTitle(_translate("Form", "查询城市天气"))
self.label.setText(_translate("Form", " 城市"))
self.weatherComboBox.setItemText(0, _translate("Form", "北京"))
self.weatherComboBox.setItemText(1, _translate("Form", "上海"))
self.weatherComboBox.setItemText(2, _translate("Form", "天津"))
self.weatherComboBox.setItemText(3, _translate("Form", "重庆"))
self.weatherComboBox.setItemText(4, _translate("Form", "郑州"))
self.weatherComboBox.setItemText(5, _translate("Form", "长沙"))
self.weatherComboBox.setItemText(6, _translate("Form", "乌鲁木齐"))
self.queryBtn.setText(_translate("Form", "查询"))
self.clearBtn.setText(_translate("Form", "清空"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
Form = QtWidgets.QWidget()
ui = Ui_Form()
ui.setupUi(Form)
Form.show()
sys.exit(app.exec_())
核心代码如下
[Python] 纯文本查看 复制代码 from PyQt5.QtWidgets import QApplication, QMainWindow
from WeatherWin import Ui_Form
import sys
from PyQt5.QtCore import *
import requests
import time
from bs4 import BeautifulSoup
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
def queryWeather(self):
global cityCode
cityName = self.ui.weatherComboBox.currentText()
cityCode = self.transCityName(cityName)
self.thread = WorkThread()
self.thread.trigger.connect(self.writeText)
self.thread.start()
def writeText(self, text):
self.ui.resultText.setText(text)
def transCityName(self, cityName):
cityCode = ''
if cityName == '北京':
cityCode = '101010100'
elif cityName == '上海':
cityCode = '101020100'
elif cityName == '天津':
cityCode = '101030100'
elif cityName == '长沙':
cityCode = '101250101'
elif cityName == '乌鲁木齐':
cityCode = '101130101'
elif cityName == '重庆':
cityCode = '101040100'
elif cityName == '郑州':
cityCode = '101180101'
return cityCode
def clearResult(self):
self.ui.resultText.clear()
class WorkThread(QThread):
trigger = pyqtSignal(str)
def __init__(self):
super(WorkThread, self).__init__()
def run(self):
global cityCode
times = str(time.time()).split('.')
times = ''.join(times[0]+times[1][0:3])
headers = {
"Connection":'keep-alive',
'Host':'d1.weather.com.cn',
'Referer':'http://www.weather.com.cn/weather1d/%s.shtml' % cityCode,
'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'
}
url = 'http://d1.weather.com.cn/sk_2d/%s.html?_=%s' % (cityCode, times)
rep = requests.get(url, headers=headers)
rep = rep.content
page = BeautifulSoup(rep, 'lxml')
page = page.text.split('=')
page = eval(page[1])
oxgan = ['优', '良', '轻度污染', '中度污染', '重度污染', '极度污染']
live = int(page['aqi'])
if 0<=live<=50:
oxgan = oxgan[0]
elif 50<live<=100:
oxgan = oxgan[1]
elif 100<live<=150:
oxgan = oxgan[2]
elif 150<live<=200:
oxgan = oxgan[3]
elif 200<live<=300:
oxgan = oxgan[3]
elif 300<live<=500:
oxgan = oxgan[3]
msg1 = '城市： %s\n' % page['cityname']
msg2 = '温度： %s' % page['temp'] + '℃\n'
msg3 = '风向： %s\n' % page['WD']
msg4 = '风力： %s\n' % page['WS']
msg5 = '湿度： %s\n' % page['SD']
msg6 = '空气质量： %s ' % page['aqi'] + oxgan + '\n'
msg7 = '时间： %s %s\n' % (page['date'], page['time'])
msg8 = '\n\n\n\n\t by:DaddyHu_CN'
result = msg1 + msg2 + msg3 + msg4 + msg5 + msg6 + msg7 + msg8
self.trigger.emit(result)
if __name__ == '__main__':
app = QApplication(sys.argv)
win = MainWindow()
win.show()
sys.exit(app.exec_())
涉及简单的爬虫和抓包的知识，都是很简单很简单的，仅供学习探讨。
运行效果如图
上下分别保存成.py文件运行下面那个即可，需要pyqt5支持，具体需要什么模块请自行安装吧，希望大家都有点动探索精神，都是要学习的别等着别人喂给你，谢谢！
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发表于 2018-12-26 13:38
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发表于 2018-12-30 19:14
