江湖救急pyqt5的一个小程序
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow
import sys
import requests
import time
class Ui_huiLv_Form(object):
def setupUi(self, huiLv_Form):
huiLv_Form.setObjectName("huiLv_Form")
huiLv_Form.resize(630, 300)
self.yuanS_comboBox = QtWidgets.QComboBox(huiLv_Form)
self.yuanS_comboBox.setGeometry(QtCore.QRect(226, 150, 69, 31))
self.yuanS_comboBox.setStyleSheet("font: 75 12pt \"微软雅黑\";")
self.yuanS_comboBox.setObjectName("yuanS_comboBox")
self.label = QtWidgets.QLabel(huiLv_Form)
self.label.setGeometry(QtCore.QRect(300, 150, 21, 30))
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.label.sizePolicy().hasHeightForWidth())
self.label.setSizePolicy(sizePolicy)
self.label.setSizeIncrement(QtCore.QSize(0, 0))
self.label.setBaseSize(QtCore.QSize(0, 0))
font = QtGui.QFont()
font.setPointSize(29)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.duiH_comboBox = QtWidgets.QComboBox(huiLv_Form)
self.duiH_comboBox.setGeometry(QtCore.QRect(326, 150, 69, 31))
self.duiH_comboBox.setStyleSheet("font: 75 12pt \"微软雅黑\";")
self.duiH_comboBox.setObjectName("duiH_comboBox")
self.zhuanH_pushButton = QtWidgets.QPushButton(huiLv_Form)
self.zhuanH_pushButton.setGeometry(QtCore.QRect(418, 150, 75, 31))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(10)
font.setBold(True)
font.setItalic(False)
font.setWeight(75)
self.zhuanH_pushButton.setFont(font)
self.zhuanH_pushButton.setCursor(QtGui.QCursor(QtCore.Qt.ArrowCursor))
self.zhuanH_pushButton.setMouseTracking(False)
self.zhuanH_pushButton.setTabletTracking(False)
self.zhuanH_pushButton.setFocusPolicy(QtCore.Qt.StrongFocus)
self.zhuanH_pushButton.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
self.zhuanH_pushButton.setStyleSheet("color: rgb(255, 170, 0)")
self.zhuanH_pushButton.setAutoExclusive(False)
self.zhuanH_pushButton.setObjectName("zhuanH_pushButton")
self.textBrowser = QtWidgets.QTextBrowser(huiLv_Form)
self.textBrowser.setGeometry(QtCore.QRect(120, 90, 371, 41))
self.textBrowser.setStyleSheet("font: 75 14pt \"微软雅黑\";")
self.textBrowser.setObjectName("textBrowser")
self.jinE_doubleSpinBox = QtWidgets.QDoubleSpinBox(huiLv_Form)
self.jinE_doubleSpinBox.setGeometry(QtCore.QRect(118, 150, 101, 31))
self.jinE_doubleSpinBox.setMinimumSize(QtCore.QSize(101, 31))
self.jinE_doubleSpinBox.setStyleSheet("font: 12pt \"微软雅黑\";")
self.jinE_doubleSpinBox.setMaximum(9999999999.99)
self.jinE_doubleSpinBox.setProperty("value", 1.0)
self.jinE_doubleSpinBox.setObjectName("jinE_doubleSpinBox")
self.time_label = QtWidgets.QLabel(huiLv_Form)
self.time_label.setGeometry(QtCore.QRect(400, 240, 200, 30))
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.time_label.sizePolicy().hasHeightForWidth())
self.time_label.setSizePolicy(sizePolicy)
self.time_label.setSizeIncrement(QtCore.QSize(0, 0))
self.time_label.setBaseSize(QtCore.QSize(0, 0))
font = QtGui.QFont()
font.setPointSize(9)
font.setBold(False)
font.setWeight(300)
self.time_label.setFont(font)
self.time_label.setText("")
self.time_label.setObjectName("time_label")
self.retranslateUi(huiLv_Form)
QtCore.QMetaObject.connectSlotsByName(huiLv_Form)
huiLv_Form.setTabOrder(self.jinE_doubleSpinBox, self.yuanS_comboBox)
huiLv_Form.setTabOrder(self.yuanS_comboBox, self.duiH_comboBox)
huiLv_Form.setTabOrder(self.duiH_comboBox, self.zhuanH_pushButton)
huiLv_Form.setTabOrder(self.zhuanH_pushButton, self.textBrowser)
def retranslateUi(self, huiLv_Form):
_translate = QtCore.QCoreApplication.translate
huiLv_Form.setWindowTitle(_translate("huiLv_Form", "汇率计算器"))
huiLv_Form.setWhatsThis(_translate("huiLv_Form", "<html><head/><body><p><br/></p></body></html>"))
self.label.setText(_translate("huiLv_Form", "="))
self.zhuanH_pushButton.setText(_translate("huiLv_Form", "转换"))
class MyMainForm(QMainWindow, Ui_huiLv_Form):
def __init__(self, parent=None):
super().__init__(parent) # 调用父类构造函数，创建QMainWindow窗体
self.setupUi(self)
self.yuanS_comboBox.addItems(list(rate.keys()))
self.duiH_comboBox.addItems(list(rate.keys()))
self.time_label.setText('汇率更新时间:' + update_time) # 设置time_Label 内容为当前时间
self.textBrowser.setText('点击转换获货币兑换关系') # 设置textBrowser 内容为“xxx关系”
self.zhuanH_pushButton.clicked.connect(self.rateChange) # 按钮点击信号关联槽函数rateChange
def rateChange(self):
n = self.jinE_doubleSpinBox.value()
x = self.yuanS_comboBox.currentText()
y = self.duiH_comboBox.currentText()
result = round(rate[y] / rate[x] * n, 4)
str_print = str(n) + ' ' + x + ' = ' + str(result) + ' ' + y
self.textBrowser.setText(str_print)
def Get_huilv():
# 获取汇率数据
url = "https://api.exchangerate-api.com/v4/latest/CNY"
redata = requests.get(url)
# 获取汇率关系字段
dic_ = eval(redata.text)
rate = dic_['rates']
# 获取汇率更新时间
update_time = time.localtime(dic_['time_last_updated'])
update_time = time.strftime("%Y-%m-%d %H:%M:%S", update_time)
return rate, update_time
if __name__ == "__main__":
rate, update_time = Get_huilv()
# 固定的，PyQt5程序都需要QApplication对象
# sys.argv是命令行参数列表，确保程序可以双击运行
app = QApplication(sys.argv)
# 初始化
myWin = MyMainForm()
# 将窗口控件显示在屏幕上
myWin.show()
# 程序运行，sys.exit方法确保程序完整退出
sys.exit(app.exec_())
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