界面如下所示
我的答案：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'untitled.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
class Ui_Dialog(object):
def setupUi(self, Dialog):
Dialog.setObjectName("Dialog")
Dialog.resize(400, 300)
self.num=0
self.pushButton = QtWidgets.QPushButton(Dialog)
self.pushButton.setGeometry(QtCore.QRect(270, 190, 75, 23))
self.pushButton.setObjectName("pushButton")
self.pushButton.clicked.connect(self.leijia)
self.lineEdit = QtWidgets.QLineEdit(Dialog)
self.lineEdit.setGeometry(QtCore.QRect(90, 190, 113, 20))
self.lineEdit.setObjectName("lineEdit")
self.label = QtWidgets.QLabel(Dialog)
self.label.setGeometry(QtCore.QRect(90, 150, 54, 12))
self.label.setObjectName("label")
self.retranslateUi(Dialog)
QtCore.QMetaObject.connectSlotsByName(Dialog)
def leijia(self):
self.num=self.num+1
self.lineEdit.setText(str(self.num))
def retranslateUi(self, Dialog):
_translate = QtCore.QCoreApplication.translate
Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
self.pushButton.setText(_translate("Dialog", "累加"))
self.label.setText(_translate("Dialog", "显示数字："))
if __name__== "__main__":
app=QtWidgets.QApplication(sys.argv)
widget=QtWidgets.QWidget()
ui=Ui_Dialog()
ui.setupUi(widget)
widget.show()
sys.exit(app.exec_())
绘制如下图形，当滚动时，并将当前dial的值显示在lineEdit中
我的答案：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'untitled3.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(400, 300)
self.lineEdit = QtWidgets.QLineEdit(Form)
self.lineEdit.setGeometry(QtCore.QRect(120, 210, 113, 20))
self.lineEdit.setObjectName("lineEdit")
self.dial = QtWidgets.QDial(Form)
self.dial.setGeometry(QtCore.QRect(120, 70, 111, 111))
self.dial.setObjectName("dial")
self.dial.sliderMoved.connect(self.dial_num)
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def dial_num(self):
self.lineEdit.setText(str(self.dial.value()))
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
if __name__== "__main__":
app=QtWidgets.QApplication(sys.argv)
widget=QtWidgets.QWidget()
ui=Ui_Form()
ui.setupUi(widget)
widget.show()
sys.exit(app.exec_())
打开D:\Project\123.txt文件，并在修改后保存到123.txt
我的答案：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'untitled.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(411, 300)
self.textEdit = QtWidgets.QTextEdit(Form)
self.textEdit.setGeometry(QtCore.QRect(0, 30, 411, 271))
self.textEdit.setObjectName("textEdit")
self.Form2 = QtWidgets.QPushButton(Form)
self.Form2.setGeometry(QtCore.QRect(80, 0, 75, 23))
self.Form2.setObjectName("Form2")
self.Form1 = QtWidgets.QPushButton(Form)
self.Form1.setGeometry(QtCore.QRect(0, 0, 75, 23))
self.Form1.setObjectName("Form1")
self.Form1.clicked.connect(self.openFile)
self.Form2.clicked.connect(self.saveFile)
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def openFile(self):
fr=open("D:\\Project\\123.txt","r")
s=fr.read()
self.textEdit.setText(s)
fr.close()
def saveFile(self):
fr=open("D:\\Project\\123.txt","w")
s=fr.write(self.textEdit.toPlainText())
fr.close()
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "我的记事本"))
self.Form2.setText(_translate("Form", "保存文件"))
self.Form1.setText(_translate("Form", "打开文件"))
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
form = QtWidgets.QWidget()
windows = Ui_Form()
windows.setupUi(form)
form.show()
sys.exit(app.exec_())
服务器采用：'127.0.0.1',9911
客户端：ip port随意
客户端发送数据，服务器端接受数据，并显示。
我的答案：
# -*- coding: utf-8 -*-# Form implementation generated from reading ui file 'server_udp.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
import socket
import _thread
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(405, 300)
self.client_addr=('127.0.0.1', 9911)
self.server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.textBrowser = QtWidgets.QTextBrowser(Form)
self.textBrowser.setGeometry(QtCore.QRect(0, 0, 401, 221))
self.textBrowser.setObjectName("textBrowser")
self.horizontalLayoutWidget = QtWidgets.QWidget(Form)
self.horizontalLayoutWidget.setGeometry(QtCore.QRect(0, 220, 401, 80))
self.horizontalLayoutWidget.setObjectName("horizontalLayoutWidget")
self.horizontalLayout = QtWidgets.QHBoxLayout(self.horizontalLayoutWidget)
self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout.setObjectName("horizontalLayout")
self.textEdit = QtWidgets.QTextEdit(self.horizontalLayoutWidget)
self.textEdit.setObjectName("textEdit")
self.horizontalLayout.addWidget(self.textEdit)
self.pushButton = QtWidgets.QPushButton(self.horizontalLayoutWidget)
self.pushButton.setObjectName("pushButton")
_thread.start_new_thread(self.socket_listen,())
self.pushButton.clicked.connect(lambda:self.send_msg())
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
# def get_msg(self):
# while True:
# data,server_addr=self.client.recvfrom(1024)
# self.textBrowser.append(str(self.client_addr) + str(":") + str(data, encoding="stf-8"))
def socket_listen(self):
BUFSIZE=1024
ip_port = ('192.168.27.128', 9911)
self.server.bind(ip_port)
while True:
data, self.client_addr = self.server.recvfrom(BUFSIZE)
self.textBrowser.append(str(self.client_addr)+str(":")+str(data,encoding="utf-8"))
server.close()
def send_msg(self):
data=self.textEdit.toPlainText()
self.server.sendto(bytes(data,encoding='utf8'),self.client_addr)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "服务器端"))
self.pushButton.setText(_translate("Form", "发送"))
if __name__== "__main__":
app=QtWidgets.QApplication(sys.argv)
widget=QtWidgets.QWidget()
ui=Ui_Form()
ui.setupUi(widget)
widget.show()
sys.exit(app.exec_())