# -*- coding: utf-8 -*-
import self as self
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtGui import QFont
import sys
from PyQt5.Qt import *
from PyQt5.QtWidgets import QApplication, QMainWindow, QTextEdit, QAction, QFileDialog, QComboBox, QFontComboBox, \
QLineEdit, QMessageBox, QVBoxLayout
from PyQt5.QtGui import QFont, QFontDatabase
import os
import shutil
from PyQt5.QtWidgets import QMessageBox
from PyQt5.QtWidgets import QApplication, QWidget
class Ui_MainWindow(QWidget):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.setGeometry(100, 200, 600, 311)
self.groupBox = QtWidgets.QGroupBox(MainWindow)
self.groupBox.setGeometry(QtCore.QRect(0, 0, 600, 311))
self.groupBox.setTitle("")
self.groupBox.setObjectName("groupBox")
self.label = QtWidgets.QLabel(self.groupBox)
self.label.setGeometry(QtCore.QRect(100, 10, 400, 100))
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setObjectName("label")
self.label.setText("欢迎使用植物专家系统")
self.label.setFont(QFont("微软雅黑 Light", 20, QFont.Bold))
self.label.setStyleSheet(
'''QLabel{color:#4d649f}''')
self.label_1 = QtWidgets.QLabel(self.groupBox)
self.label_1.setGeometry(QtCore.QRect(100, 100, 400, 100))
self.label_1.setAlignment(QtCore.Qt.AlignCenter)
self.label_1.setText("请选择输入模式")
self.label_1.setFont(QFont("微软雅黑 Light", 15, QFont.Bold))
self.label_1.setObjectName("label")
self.label_1.setStyleSheet(
'''QLabel{color:#4d649f}''')
self.pushButton = QtWidgets.QPushButton(self.groupBox)
self.pushButton.setGeometry(QtCore.QRect(90, 230, 180, 50))
self.pushButton.setObjectName("pushButton")
self.pushButton.clicked.connect(self.lay1)
self.pushButton.setFont(QFont("微软雅黑 Light", 15, QFont.Bold))
self.pushButton.setText("键盘输入")
self.pushButton.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #ffffff}QPushButton:hover{background:#99C0EF;}''')
self.pushButton_1 = QtWidgets.QPushButton(self.groupBox)
self.pushButton_1.setGeometry(QtCore.QRect(310, 230, 180, 50))
self.pushButton_1.setObjectName("pushButton_1")
#self.pushButton_1.clicked.connect(self.lay2)
self.pushButton_1.setText("选择输入")
self.pushButton_1.setFont(QFont("微软雅黑 Light", 15, QFont.Bold))
self.pushButton_1.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #ffffff}QPushButton:hover{background:#99C0EF;}''')
def lay1(self):
Ui_Form1.show() # 创建第二个窗口实例
self.close()
#def lay2(self):
#Ui_Form2.show() # 创建第二个窗口实例
#self.close()
class Ui_Form1(QMainWindow):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.setGeometry(100, 200, 600, 311)
self.groupBox = QtWidgets.QGroupBox(Form)
self.groupBox.setGeometry(QtCore.QRect(0, 0, 600, 311))
self.groupBox.setTitle("")
self.groupBox.setObjectName("groupBox")
self.label = QtWidgets.QLabel(self.groupBox)
self.label.setGeometry(QtCore.QRect(20, 10, 72, 15))
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setObjectName("label")
self.label_2 = QtWidgets.QLabel(self.groupBox)
self.label_2.setGeometry(QtCore.QRect(20, 190, 72, 15))
self.label_2.setAlignment(QtCore.Qt.AlignCenter)
self.label_2.setObjectName("label_2")
self.label_2.setStyleSheet(
'''QLabel{color:#304486}''')
self.label_3 = QtWidgets.QLabel(self.groupBox)
self.label_3.setGeometry(QtCore.QRect(20, 90, 72, 20))
self.label_3.setAlignment(QtCore.Qt.AlignCenter)
self.label_3.setObjectName("label_3")
self.label_3.setStyleSheet(
'''QLabel{color:#304486}''')
self.label_4 = QtWidgets.QLabel(self.groupBox)
self.label_4.setGeometry(QtCore.QRect(440, 0, 200, 600))
self.label_4.setAlignment(QtCore.Qt.AlignCenter)
self.label_4.setObjectName("label_4")
self.label_4.setStyleSheet(
'''QLabel{background:#4196e1}''')
self.label_4.setStyleSheet("QLabel{border-image:url(r.jpg)}") # 这里使用相对路径,也可以使用绝对路径
self.pushButton = QtWidgets.QPushButton(self.groupBox)
self.pushButton.setGeometry(QtCore.QRect(465, 40, 110, 40))
self.pushButton.setObjectName("pushButton")
# self.pushButton.setFont(QFont('Calibri', 13))
self.pushButton.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #fff}QPushButton:hover{background:#99C0EF;}''')
self.pushButton_2 = QtWidgets.QPushButton(self.groupBox)
self.pushButton_2.setGeometry(QtCore.QRect(465, 160, 110, 40))
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_2.clicked.connect(self.btn2_click)
self.pushButton_2.setStyleSheet("background: purple;border-radius: 15px;color: #fff")
self.pushButton_2.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #fff}QPushButton:hover{background:#99C0EF;}''')
self.pushButton_3 = QtWidgets.QPushButton(self.groupBox)
self.pushButton_3.setGeometry(QtCore.QRect(465, 220, 110, 40))
self.pushButton_3.setObjectName("pushButton_3")
self.pushButton_3.clicked.connect(QtCore.QCoreApplication.instance().quit)
self.pushButton_3.setStyleSheet("background: purple;border-radius: 15px;color: #fff")
self.pushButton_3.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #fff}QPushButton:hover{background:#99C0EF;}''')
self.pushButton_4 = QtWidgets.QPushButton(self.groupBox)
self.pushButton_4.setGeometry(465, 100, 110, 40)
self.pushButton_4.setObjectName("pushButton_4")
self.pushButton_4.clicked.connect(self.btnc_click)
self.pushButton.setFont(QFont('Calibri', 13))
self.pushButton_4.setStyleSheet(
'''QPushButton{background:#4d649f;border-radius:5px;color: #fff}QPushButton:hover{background:#99C0EF;}''')
self.textEdit = QtWidgets.QTextEdit(self.groupBox)
self.textEdit.setGeometry(QtCore.QRect(20, 30, 381, 51))
self.textEdit.setObjectName("textEdit")
self.textEdit.setFont(QFont('Helvetica', 11))
self.textEdit.setStyleSheet(
'''QTextEdit{background:#e5ecfd;border-radius:15px;}QTextEdit:hover{background:#ffffff;border: #800080;}''')
self.textEdit.setPlaceholderText("输入事实")
self.textEdit.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.textEdit_2 = QtWidgets.QTextEdit(self.groupBox)
self.textEdit_2.setGeometry(QtCore.QRect(20, 110, 400, 71))
self.textEdit_2.setObjectName("textEdit_2")
self.textEdit_2.setReadOnly(True)
self.textEdit_2.setFont(QFont('Helvetica', 11))
self.textEdit_2.setStyleSheet("background: transparent;border:none;")
self.textEdit_3 = QtWidgets.QTextEdit(self.groupBox)
self.textEdit_3.setGeometry(QtCore.QRect(20, 210, 220, 50))
self.textEdit_3.setObjectName("textEdit_3")
self.textEdit_3.setReadOnly(True)
self.textEdit_3.setFont(QFont('Helvetica', 11))
self.textEdit_3.setStyleSheet("background: transparent;border:none;")
# self.lineEdit = QtWidgets.QLineEdit(self.groupBox)
# self.lineEdit.move(20, 210)
# self.lineEdit.setReadOnly(True)
self.pushButton.clicked.connect(self.go)
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
#self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint) # 隐藏边框并在其他边框之上
def btn2_click(self):
self.pushButton_2.setText("展示知识库")
def btnc_click(self):
self.pushButton_4.setText("修改知识库")
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "植物专家识别系统"))
#self.label.setText(_translate("Form", "输入事实"))
self.label.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.label_2.setText(_translate("Form", "推理结果"))
self.label_2.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.label_3.setText(_translate("Form", "推理过程"))
self.label_3.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.pushButton.setText(_translate("Form", "进行推理"))
self.pushButton.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.pushButton_2.setText(_translate("Form", "展示知识库"))
self.pushButton_2.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.pushButton_3.setText(_translate("Form", "退出程序"))
self.pushButton_3.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
self.pushButton_4.setText(_translate("Form", "修改知识库"))
self.pushButton_4.setFont(QFont("微软雅黑 Light", 10, QFont.Bold))
# 将知识库做拓扑排序
def topological(self):
Q = []
P = []
ans = "" # 排序后的结果
for line in open('RD.txt'):
line = line.strip('\n')
if line == '':
continue
line = line.split(' ')
Q.append(line[line.__len__() - 1])
del (line[line.__len__() - 1])
P.append(line)
# 计算入度
inn = []
for i in P:
sum = 0
for x in i:
if Q.count(x) > 0: # 能找到,那么
sum += Q.count(x)
inn.append(sum)
while (1):
x = 0
if inn.count(-1) == inn.__len__():
break
for i in inn:
if i == 0:
str = ' '.join(P[x])
ans = ans + str + " " + Q[x] + "\n" # 写入结果
inn[x] = -1
# 更新入度
y = 0
for j in P:
if j.count(Q[x]) == 1:
inn[y] -= 1
y += 1
x += 1
print(ans)
# 将结果写入文件
fw = open('RD.txt', 'w', buffering=1)
fw.write(ans)
fw.flush()
fw.close()
# 进行推理
def go(self, flag=True):
# 将产生式规则放入规则库中
# if P then Q
# 读取产生式文件
self.Q = []
self.P = []
fo = open('RD.txt', 'r', encoding='utf-8')
for line in fo:
line = line.strip('\n')
if line == '':
continue
line = line.split(' ')
self.Q.append(line[line.__len__() - 1])
del (line[line.__len__() - 1])
self.P.append(line)
fo.close()
print("go按钮按下")
self.lines = self.textEdit.toPlainText()
self.lines = self.lines.split('\n') # 分割成组
self.DB = set(self.lines)
print(self.DB)
self.str = ""
print(self.str)
flag = True
temp = ""
for x in self.P: # 对于每条产生式规则
if ListInSet(x, self.DB): # 如果所有前提条件都在规则库中
self.DB.add(self.Q[self.P.index(x)])
temp = self.Q[self.P.index(x)]
flag = False # 至少能推出一个结论
self.str += "%s --> %s\n" % (x, self.Q[self.P.index(x)])
if flag: # 一个结论都推不出
print("一个结论都推不出")
for x in self.P: # 对于每条产生式
if ListOneInSet(x, self.DB): # 事实是否满足部分前提
flag1 = False # 默认提问时否认前提
for i in x: # 对于前提中所有元素
if i not in self.DB: # 对于不满足的那部分
btn = s.quest("是否" + i)
if btn == QtWidgets.QMessageBox.Ok:
self.textEdit.setText(self.textEdit.toPlainText() + "\n" + i) # 确定则增加到textEdit
self.DB.add(i) # 确定则增加到规则库中
flag1 = True # 肯定前提
if flag1: # 如果肯定前提,则重新推导
self.go()
return
self.textEdit_2.setPlainText(self.str)
print("----------------------")
print(self.str)
if flag:
btn = s.alert("啥也推不出来!!!")
else:
self.textEdit_3.setText(temp)
# 判断list中至少有一个在集合set中
def ListOneInSet(li, se):
for i in li:
if i in se:
return True
return False
# 判断list中所有元素是否都在集合set中
def ListInSet(li, se):
for i in li:
if i not in se:
return False
return True
class SecondWindow(QtWidgets.QWidget):
def __init__(self, parent=None):
super(SecondWindow, self).__init__(parent)
self.setWindowTitle("展示知识库")
self.setGeometry(725, 200, 300, 300)
self.textEdit = QtWidgets.QTextEdit(self)
self.textEdit.setGeometry(8, 2, 284, 286)
# 警告没有推导结果
def alert(self, info):
QtWidgets.QMessageBox.move(self, 200, 200)
QtWidgets.QMessageBox.information(self, "Information", self.tr(info))
# 询问补充事实
def quest(self, info):
# 如果推理为空,需要询问用户是否要添加已知条件
QtWidgets.QMessageBox.move(self, 200, 200)
button = QtWidgets.QMessageBox.question(self, "Question",
self.tr(info), QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel,
QtWidgets.QMessageBox.Cancel)
return button
def handle_click(self):
str = ""
fo = open('RD.txt', 'r', encoding='utf-8')
for line in fo:
line = line.strip('\n')
if line == '':
continue
str = str + line + "\n"
fo.close()
self.textEdit.setText(str)
self.show()
# def close_click(self):
# self.close()
def handle_close(self):
self.close()
class thirdWindow(QtWidgets.QWidget):
def __init__(self, parent=None):
super(thirdWindow, self).__init__(parent)
self.setWindowTitle("修改知识库")
self.setGeometry(725, 200, 300, 300)
self.textEdit = QtWidgets.QTextEdit(self)
self.textEdit.setGeometry(8, 2, 284, 286)
'''打开文件'''
def msg(self):
_translate = QtCore.QCoreApplication.translate
directory1 = QFileDialog.getOpenFileName(None, "选择文件", "E:\pythonProject\pythonProject20\RD.txt")
if __name__ == "__main__":
app = QApplication(sys.argv)
widget = QWidget()
ui = Ui_MainWindow()
ui.setupUi(widget)
widget.setStyleSheet("#MainWindow{background:#c4d2f6}")
widget.show()
ui.pushButton.clicked.connect(Ui_Form1.show)
sys.exit(app.exec_())

【以下回答由 GPT 生成】
这个错误是因为在定义Ui_MainWindow
类时,没有继承QWidget
,导致在创建对象实例时无法满足unbound方法
的要求。
要解决这个问题,可以将Ui_MainWindow
类的定义改为继承自QWidget
,并重新运行代码。
以下是修改后的代码:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import QApplication, QWidget
class Ui_MainWindow(QWidget):
def setupUi(self, MainWindow):
# 你的其他代码...
if __name__ == "__main__":
app = QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
请使用上述修改后的代码运行程序,该错误将会解决。