From d05f48c65f466569cbd31e673f0aa9a0702f4446 Mon Sep 17 00:00:00 2001 From: pzkn3atj5 Date: Fri, 26 May 2023 16:09:25 +0800 Subject: [PATCH] ADD file via upload --- login.py | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 login.py diff --git a/login.py b/login.py new file mode 100644 index 0000000..b8fafab --- /dev/null +++ b/login.py @@ -0,0 +1,155 @@ +""" + +代码功能：一、登录界面与功能实现 +""" +import sys + +from PyQt5 import QtCore, QtGui, QtWidgets +from PyQt5.QtWidgets import QApplication, QMainWindow + +from main import MainUi +from sqls import * + +from db import * +import Config as C + + +# 界面与登录功能的设计与实现 +class Ui_MainWindow(object): + def setupUi(self, MainWindow): + MainWindow.setObjectName("MainWindow") + MainWindow.resize(400, 400) + self.centralwidget = QtWidgets.QWidget(MainWindow) + self.centralwidget.setObjectName("centralwidget") + self.label = QtWidgets.QLabel(self.centralwidget) + self.label.setGeometry(QtCore.QRect(30, 30, 350, 60)) + 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.setMinimumSize(QtCore.QSize(50, 50)) + self.label.setBaseSize(QtCore.QSize(50, 50)) + font = QtGui.QFont() + font.setFamily("楷体") + font.setPointSize(27) + font.setBold(True) + font.setItalic(False) + font.setWeight(75) + self.label.setFont(font) + self.label.setLayoutDirection(QtCore.Qt.LeftToRight) + self.label.setAutoFillBackground(False) + self.label.setMidLineWidth(0) + self.label.setAlignment(QtCore.Qt.AlignCenter) + self.label.setWordWrap(False) + self.label.setIndent(0) + self.label.setObjectName("label") + self.lineEdit = QtWidgets.QLineEdit(self.centralwidget) + self.lineEdit.setGeometry(QtCore.QRect(140, 140, 181, 31)) + font = QtGui.QFont("Microsoft YaHei") + font.setPointSize(11) + self.lineEdit.setFont(font) + self.lineEdit.setInputMask("") + self.lineEdit.setText("") + self.lineEdit.setObjectName("lineEdit") + self.label_2 = QtWidgets.QLabel(self.centralwidget) + self.label_2.setGeometry(QtCore.QRect(40, 140, 91, 31)) + font = QtGui.QFont("Microsoft YaHei") + font.setPointSize(11) + self.label_2.setFont(font) + self.label_2.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter) + self.label_2.setObjectName("label_2") + self.label_3 = QtWidgets.QLabel(self.centralwidget) + self.label_3.setGeometry(QtCore.QRect(40, 190, 91, 31)) + font = QtGui.QFont("Microsoft YaHei") + font.setPointSize(11) + self.label_3.setFont(font) + self.label_3.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter) + self.label_3.setObjectName("label_3") + self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget) + self.lineEdit_2.setGeometry(QtCore.QRect(140, 190, 181, 31)) + font = QtGui.QFont("Microsoft YaHei") + font.setPointSize(11) + self.lineEdit_2.setFont(font) + self.lineEdit_2.setInputMask("") + self.lineEdit_2.setText("") + self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password) + self.lineEdit_2.setObjectName("lineEdit_2") + self.pushButton = QtWidgets.QPushButton(self.centralwidget) + self.pushButton.setGeometry(QtCore.QRect(120, 280, 160, 40)) + font = QtGui.QFont("Microsoft YaHei") + font.setPointSize(16) + self.pushButton.setFont(font) + self.pushButton.setObjectName("pushButton") + + font = QtGui.QFont("Microsoft YaHei") + font.setItalic(False) + font.setPointSize(14) + self.label_6 = QtWidgets.QLabel(self.centralwidget) + self.label_6.setGeometry(QtCore.QRect(80, 240, 250, 20)) + self.label_6.setObjectName("label_6") + self.label_6.setFont(font) + + MainWindow.setCentralWidget(self.centralwidget) + self.menubar = QtWidgets.QMenuBar(MainWindow) + self.menubar.setGeometry(QtCore.QRect(0, 0, 640, 23)) + self.menubar.setObjectName("menubar") + MainWindow.setMenuBar(self.menubar) + self.statusbar = QtWidgets.QStatusBar(MainWindow) + self.statusbar.setObjectName("statusbar") + MainWindow.setStatusBar(self.statusbar) + + self.retranslateUi(MainWindow) + QtCore.QMetaObject.connectSlotsByName(MainWindow) + + self.centralwidget.setStyleSheet(''' + QLabel#label_6{ + color:red; + } + #pushButton{background-color:#2c7adf;color:#fff;border:none;border-radius:4px;} + #pushButton:hover{background-color:#2c8adf;} + ''') + self.pushButton.clicked.connect(lambda: self.btn_clicked(MainWindow)) + + def retranslateUi(self, MainWindow): + _translate = QtCore.QCoreApplication.translate + MainWindow.setWindowTitle(_translate("MainWindow", "Python学生管理系统-管理员登录")) + self.label.setText(_translate("MainWindow", "Python学生管理系统")) + self.lineEdit.setPlaceholderText(_translate("MainWindow", "请输入用户名")) + self.label_2.setText(_translate("MainWindow", "用户名：")) + self.label_3.setText(_translate("MainWindow", "密码：")) + self.lineEdit_2.setPlaceholderText(_translate("MainWindow", "请输入密码")) + self.pushButton.setText(_translate("MainWindow", "登录")) + + # 管理员登录 + def btn_clicked(self, MainWindow): + self.label_6.setText("正在登录...") + self.pushButton.setDisabled(True) + QApplication.processEvents() + username = self.lineEdit.text() + password = self.lineEdit_2.text() + result = sql_execute(login(username, password)) + if len(result) == 0: + self.label_6.setText("登录失败：用户名或密码错误") + self.pushButton.setDisabled(False) + print(username + "登录失败！") + else: + print(username + "登录成功！") + self.label_6.setText("登录成功！") + print(result[0]) + C.USER = result[0] + self.main = MainUi() + self.main.show() + C.LOGIN_WINDOW = aw + MainWindow.hide() + self.main.setWindowTitle('Python学生管理系统') + + +if __name__ == "__main__": + App = QApplication(sys.argv) # 创建QApplication对象，作为GUI主程序入口 + aw = Ui_MainWindow() # 创建主窗体对象，实例化Ui_MainWindow + w = QMainWindow() # 实例化QMainWindow类 + aw.setupUi(w) # 主窗体对象调用setupUi方法，对QMainWindow对象进行设置 + w.show() # 显示主窗体 + w.setWindowTitle('Python学生管理系统-管理员登录') + sys.exit(App.exec_()) # 循环中等待退出程序