现在我要显示几组数据，但是我只有一个主窗口和一个对话框。这意味着我想多次打开同一对话框来显示这些数据，而每个对话框每次只显示一组数据。最后，我想看到几个对话框打开，每个对话框都显示一组数据。在我的代码中，您可以看到该对话框打开了几次，每次新对话框都打开，最后一个对话框关闭，最后只有一个对话框打开。如何重新更正我的代码？
main.py
from PyQt5 import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
import sys
import time
from alert import Show_Text
class Ui_Control_system(object):
def setupUi(self, Control_system):
Control_system.setObjectName("Control_system")
Control_system.resize(1004, 722)
Control_system.setFixedSize(1004, 722)
Control_system.setWindowIcon(QIcon('images/icon.png'))
Control_system.setStyleSheet("QMainWindow{border-image:url(images/background.jpg)}")
self.centralwidget = QWidget(Control_system)
self.centralwidget.setObjectName("centralwidget")
#表格显示
self.tableWidget = QTableWidget(self.centralwidget)
self.tableWidget.setGeometry(QRect(130, 170, 752, 245))
self.tableWidget.setRowCount(8)
self.tableWidget.setColumnCount(6)
self.tableWidget.setObjectName("tableWidget")
self.tableWidget.horizontalHeader().setVisible(False)
self.tableWidget.horizontalHeader().setCascadingSectionResizes(False)
self.tableWidget.horizontalHeader().setDefaultSectionSize(125)
self.tableWidget.horizontalHeader().setHighlightSections(True)
self.tableWidget.horizontalHeader().setSortIndicatorShown(False)
self.tableWidget.verticalHeader().setVisible(False)
Control_system.setCentralWidget(self.centralwidget)
self.tableWidget.setAutoFillBackground(True)
self.tableWidget.setItem(0,0,QTableWidgetItem("机器编号"))
self.tableWidget.setItem(0,1,QTableWidgetItem("烟雾值"))
self.tableWidget.setItem(0,2,QTableWidgetItem("火焰值"))
self.tableWidget.setItem(0,3, QTableWidgetItem("温度值"))
self.tableWidget.setItem(0,4, QTableWidgetItem("电流值"))
self.tableWidget.setItem(0,5, QTableWidgetItem("电压值"))
font = QFont()
font.setPointSize(15)
font.setBold(True)
self.tableWidget.item(0,0).setFont(font)
self.tableWidget.item(0,1).setFont(font)
self.tableWidget.item(0,2).setFont(font)
self.tableWidget.item(0,3).setFont(font)
self.tableWidget.item(0,4).setFont(font)
self.tableWidget.item(0,5).setFont(font)
self.label = QLabel(self.centralwidget)
self.label.setGeometry(QRect(360, 70, 300, 50))
self.label.setObjectName("label")
self.label.setAutoFillBackground(True)
self.label.setAlignment(Qt.AlignCenter)
self.label.setStyleSheet("border-image:url(images/title.png)")
self.pushButton = QPushButton(self.centralwidget)
self.pushButton.setGeometry(QRect(560, 480, 121, 41))
self.pushButton.setObjectName("pushButton")
self.pushButton_2 = QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QRect(730, 480, 121, 41))
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_3 = QPushButton(self.centralwidget)
self.pushButton_3.setGeometry(QRect(70, 60, 121, 41))
self.pushButton_3.setObjectName("pushButton_3")
Control_system.setCentralWidget(self.centralwidget)
self.statusbar = QStatusBar(Control_system)
self.statusbar.setObjectName("statusbar")
Control_system.setStatusBar(self.statusbar)
self.retranslateUi(Control_system)
QMetaObject.connectSlotsByName(Control_system)
def retranslateUi(self, Control_system):
_translate = QCoreApplication.translate
Control_system.setWindowTitle(_translate("Control_system", "实时监控系统"))
self.pushButton.setText(_translate("Control_system", "开始运行"))
self.pushButton_2.setText(_translate("Control_system", "停止"))
self.pushButton_3.setText(_translate("Control_system", "跳转"))
class Control_system(QMainWindow, Ui_Control_system):
def __init__(self, parent=None):
super().__init__(parent)
self.setupUi(self)
self.pushButton_3.clicked.connect(self.jump_to_alert)
def goAlert(self):
self.alert = Alert()
self.alert.show()
class Alert(Show_Text):
def __init__(self):
super().__init__()
self.setupUi(self)
def closeEvent(self, event):
reply = QMessageBox.question(self, '警告',
"是否要退出警告？",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.No)
if reply == QMessageBox.Yes:
event.accept()
else:
event.ignore()
class PopupWindow(QThread):
popup = pyqtSignal()
def __init__(self, parent=None):
super(PopupWindow, self).__init__()
self.index = 0
def run(self):
while self.index <= 3:
self.index +=1
self.popup.emit()
time.sleep(1)
def stop(self):
self.quit()
self.wait()
if __name__ == '__main__':
if not QApplication.instance():
app = QApplication(sys.argv)
else:
app = QApplication.instance()
w = Control_system()
w.show()
sys.exit(app.exec())
alert.py
from PyQt5 import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
import threading
import time
class Ui_Dialog(object):
def setupUi(self, Dialog):
Dialog.setObjectName("Dialog")
Dialog.resize(557, 444)
#Dialog.setStyleSheet("QDialog{border-image:url(images/background.jpg)}")
Dialog.setWindowIcon(QIcon('images/icon.png'))
self.textBrowser = QtWidgets.QTextBrowser(Dialog)
self.textBrowser.setGeometry(QtCore.QRect(200, 80, 256, 41))
self.textBrowser.setObjectName("textBrowser")
self.textBrowser_2 = QtWidgets.QTextBrowser(Dialog)
self.textBrowser_2.setGeometry(QtCore.QRect(200, 170, 256, 41))
self.textBrowser_2.setObjectName("textBrowser_2")
self.textBrowser_3 = QtWidgets.QTextBrowser(Dialog)
self.textBrowser_3.setGeometry(QtCore.QRect(200, 260, 256, 41))
self.textBrowser_3.setObjectName("textBrowser_3")
self.label = QtWidgets.QLabel(Dialog)
self.label.setGeometry(QtCore.QRect(60, 80, 111, 31))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(20)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setStyleSheet("color: rgb(255, 0, 0);")
self.label.setTextFormat(QtCore.Qt.AutoText)
self.label.setObjectName("label")
self.label_2 = QtWidgets.QLabel(Dialog)
self.label_2.setGeometry(QtCore.QRect(60, 170, 111, 31))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(20)
font.setBold(True)
font.setWeight(75)
self.label_2.setFont(font)
self.label_2.setStyleSheet("color: rgb(255, 0, 0);")
self.label_2.setTextFormat(QtCore.Qt.AutoText)
self.label_2.setObjectName("label_2")
self.alert = QtWidgets.QLabel(Dialog)
self.alert.setGeometry(QtCore.QRect(60, 260, 111, 31))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(20)
font.setBold(True)
font.setWeight(75)
self.alert.setFont(font)
self.alert.setStyleSheet("color: rgb(255, 0, 0);")
self.alert.setTextFormat(QtCore.Qt.AutoText)
self.alert.setObjectName("alert")
self.retranslateUi(Dialog)
#QtCore.QMetaObject.connectSlotsByName(Dialog)
#self.recieveAlarm(Dialog)
#timer = QtCore.QTimer(self, interval=1000, timeout=self.recieveAlarm)
#timer.start()
def retranslateUi(self, Dialog):
_translate = QtCore.QCoreApplication.translate
Dialog.setWindowTitle(_translate("Dialog", "警告"))
self.label.setText(_translate("Dialog", "报警车间"))
self.label_2.setText(_translate("Dialog", "报警机器"))
self.alert.setText(_translate("Dialog", "报警项目"))
class Show_Text(QDialog, Ui_Dialog):
def __init__(self, parent=None):
super().__init__(parent)
self.setupUi(self)
self.show_text_thread = showtext_Thread()
self.show_text_thread.trigger.connect(self.show_Data)
self.show_text_thread.start()
@pyqtSlot(str, str, str)
def show_Data(self, room, machine, project):#数据更新
self.textBrowser.append(room)
self.textBrowser_2.append(machine)
self.textBrowser_3.append(project)
class showtext_Thread(QtCore.QThread):
trigger = QtCore.pyqtSignal(str,str,str)
def __init__(self, parent=None):
super(showtext_Thread, self).__init__(parent)
def run(self):
self.trigger.emit("2","3","4")
time.sleep(1)
def stop(self):
self.quit()
self.wait()