python用户登录界面设计_Python开发：设计一个简单的登录界面（附源码）
#-*- coding: utf-8 -*-from PyQt5 importQtCore, QtGui, QtWidgetsfrom PyQt5.QtGui importQPixmap, QIconfrom PyQt5.QtWidgets importQMessageBoxclassUi_MainWindow(object):defsetupUi(self, MainWindow):MainWi
#-*- coding: utf-8 -*-
from PyQt5 importQtCore, QtGui, QtWidgetsfrom PyQt5.QtGui importQPixmap, QIconfrom PyQt5.QtWidgets importQMessageBoxclassUi_MainWindow(object):defsetupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(300, 180)
self.centralwidget=QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.label=QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(60, 30, 51, 16))
self.label.setObjectName("label")
self.label_2=QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(60, 60, 51, 16))
self.label_2.setObjectName("label_2")
self.lineEdit=QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setGeometry(QtCore.QRect(120, 30, 113, 20))
self.lineEdit.setObjectName("lineEdit")
self.lineEdit_2=QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_2.setGeometry(QtCore.QRect(120, 60, 113, 20))
self.lineEdit_2.setObjectName("lineEdit_2")
self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password)#设置文本框为密码
self.lineEdit_2.setValidator(QtGui.QIntValidator(10000000,99999999)) #设置只能输入8位数字
self.pushButton=QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setGeometry(QtCore.QRect(70, 120, 61, 27))
self.pushButton.setObjectName("pushButton")
self.pushButton.setIcon(QIcon(QPixmap("login.ico"))) #为“登录”按钮设置图标
self.label=QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(60, 30, 51, 16))
self.label.setObjectName("label")
self.label_2=QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(60, 60, 51, 16))
self.label_2.setObjectName("label_2")
self.radioButton=QtWidgets.QRadioButton(self.centralwidget)
self.radioButton.setGeometry(QtCore.QRect(70, 90, 71, 18))
self.radioButton.setObjectName("radioButton")
self.radioButton.setChecked(True)#设置“管理员单选按钮默认选中
self.radioButton_2=QtWidgets.QRadioButton(self.centralwidget)
self.radioButton_2.setGeometry(QtCore.QRect(150, 90, 81, 18))
self.radioButton_2.setObjectName("radioButton_2")
self.pushButton_2=QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(160, 120, 61, 27))
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_2.setIcon(QIcon(QPixmap("exit.ico"))) #为“退出”按钮设置图标
MainWindow.setCentralWidget(self.centralwidget)
self.retranslateUi(MainWindow)
self.pushButton.clicked.connect(self.login)#为“登录”按钮的clicked信号绑定自定义槽函数
self.pushButton_2.clicked.connect(MainWindow.close) #为“退出”按钮的clicked信号绑定MainWindow窗口自带的close()槽函数
self.radioButton.toggled.connect(self.select) #为单选按钮的toggled信号绑定自定义槽函数
self.menubar=QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0,317, 26))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar=QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
QtCore.QMetaObject.connectSlotsByName(MainWindow)deflogin(self):from PyQt5.QtWidgets importQMessageBox#使用information()方法弹出信息提示框
QMessageBox.information(MainWindow, "登录信息", "用户名:" + self.lineEdit.text() +
"密码:" +self.lineEdit_2.text(), QMessageBox.Ok)#自定义槽函数，用来判断用户登录身份
defselect(self):if self.radioButton.isChecked(): #判断是否为管理员登录
QMessageBox.information(MainWindow, "提示", "您选择的是 管理员 登录", QMessageBox.Ok)elif self.radioButton_2.isChecked(): #判断是否为普通用户登录
QMessageBox.information(MainWindow, "提示", "您选择的是 普通用户 登录", QMessageBox.Ok)defretranslateUi(self, MainWindow):
_translate=QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "系统登录"))
self.label.setText(_translate("MainWindow", "用户名："))
self.label_2.setText(_translate("MainWindow", "密 码："))
self.pushButton.setText(_translate("MainWindow", "登录"))
self.pushButton_2.setText(_translate("MainWindow", "退出"))
self.radioButton.setText(_translate("MainWindow", "管理员"))
self.radioButton_2.setText(_translate("MainWindow", "普通用户"))importsysif __name__ == '__main__':
app=QtWidgets.QApplication(sys.argv)
MainWindow=QtWidgets.QMainWindow()
ui=Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
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