pyqt5 登入介面的實現模板(加強版2)
說明
本例,在登入介面第二版的基礎上,增加了登入介面的記住密碼功能和自動登入功能。
在實現這兩個功能的時候,需要用到QSettings這個知識點。QSettings用起來還是很方便,很簡單的,不細說了,直接看程式碼吧。
儲存登入資訊
# 儲存登入資訊 def save_login_info(self): settings = QSettings("config.ini", QSettings.IniFormat) settings.setValue("account",self.lineEdit_account.text()) settings.setValue("password", self.lineEdit_password.text()) settings.setValue("remeberpassword", self.checkBox_remeberpassword.isChecked()) settings.setValue("autologin", self.checkBox_autologin.isChecked())
初始化登入資訊
# 初始化登入資訊 def init_login_info(self): settings = QSettings("config.ini", QSettings.IniFormat) the_account =settings.value("account") the_password = settings.value("password") the_remeberpassword = settings.value("remeberpassword") the_autologin = settings.value("autologin") ######## self.lineEdit_account.setText(the_account) if the_remeberpassword=="true" orthe_remeberpassword==True: self.checkBox_remeberpassword.setChecked(True) self.lineEdit_password.setText(the_password) if the_autologin=="true" orthe_autologin==True: self.checkBox_autologin.setChecked(True) if the_autologin == "true":#防止登出時,自動登入 threading.Timer(1, self.on_pushButton_enter_clicked).start() #self.on_pushButton_enter_clicked()
完整程式碼
【如下程式碼,完全複製,直接執行,即可使用】
import sys from PyQt5.QtWidgets import * from PyQt5.QtCore import * from PyQt5.QtGui import * import threading ################################################ #######建立主視窗 ################################################ class MainWindow(QMainWindow): windowList = [] def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self.setWindowTitle('主介面') self.showMaximized() # 建立選單欄 self.createMenus() def createMenus(self): # 建立動作 登出 self.printAction1 = QAction(self.tr("登出"), self) self.printAction1.triggered.connect(self.on_printAction1_triggered) # 建立動作 退出 self.printAction2 = QAction(self.tr("退出"), self) self.printAction2.triggered.connect(self.on_printAction2_triggered) # 建立選單,新增動作 self.printMenu = self.menuBar().addMenu(self.tr("登出和退出")) self.printMenu.addAction(self.printAction1) self.printMenu.addAction(self.printAction2) # 動作一:登出 def on_printAction1_triggered(self): self.close() dialog = logindialog() ifdialog.exec_()==QDialog.Accepted: the_window = MainWindow() self.windowList.append(the_window)#這句一定要寫,不然無法重新登入 the_window.show() # 動作二:退出 def on_printAction2_triggered(self): self.close() # 關閉介面觸發事件 def closeEvent(self, event): print(999999999) pass ################################################ #######對話方塊 ################################################ class logindialog(QDialog): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self.setWindowTitle('登入介面') self.resize(200, 200) self.setFixedSize(self.width(), self.height()) self.setWindowFlags(Qt.WindowCloseButtonHint) ###### 設定介面控制元件 self.frame = QFrame(self) self.verticalLayout = QVBoxLayout(self.frame) self.lineEdit_account = QLineEdit() self.lineEdit_account.setPlaceholderText("請輸入賬號") self.verticalLayout.addWidget(self.lineEdit_account) self.lineEdit_password = QLineEdit() self.lineEdit_password.setPlaceholderText("請輸入密碼") self.verticalLayout.addWidget(self.lineEdit_password) self.checkBox_remeberpassword = QCheckBox() self.checkBox_remeberpassword.setText("記住密碼") self.verticalLayout.addWidget(self.checkBox_remeberpassword) self.checkBox_autologin = QCheckBox() self.checkBox_autologin.setText("自動登入") self.verticalLayout.addWidget(self.checkBox_autologin) self.pushButton_enter = QPushButton() self.pushButton_enter.setText("確定") self.verticalLayout.addWidget(self.pushButton_enter) self.pushButton_quit = QPushButton() self.pushButton_quit.setText("取消") self.verticalLayout.addWidget(self.pushButton_quit) ###### 繫結按鈕事件 self.pushButton_enter.clicked.connect(self.on_pushButton_enter_clicked) self.pushButton_quit.clicked.connect(QCoreApplication.instance().quit) ####初始化登入資訊 self.init_login_info() def on_pushButton_enter_clicked(self): # 賬號判斷 if self.lineEdit_account.text() == "": return # 密碼判斷 if self.lineEdit_password.text() == "": return ####### 儲存登入資訊 self.save_login_info() # 通過驗證,關閉對話方塊並返回1 self.accept() # 儲存登入資訊 def save_login_info(self): settings = QSettings("config.ini", QSettings.IniFormat) settings.setValue("account",self.lineEdit_account.text()) settings.setValue("password", self.lineEdit_password.text()) settings.setValue("remeberpassword", self.checkBox_remeberpassword.isChecked()) settings.setValue("autologin", self.checkBox_autologin.isChecked()) # 初始化登入資訊 def init_login_info(self): settings = QSettings("config.ini", QSettings.IniFormat) the_account =settings.value("account") the_password = settings.value("password") the_remeberpassword = settings.value("remeberpassword") the_autologin = settings.value("autologin") ######## self.lineEdit_account.setText(the_account) if the_remeberpassword=="true" orthe_remeberpassword==True: self.checkBox_remeberpassword.setChecked(True) self.lineEdit_password.setText(the_password) if the_autologin=="true" orthe_autologin==True: self.checkBox_autologin.setChecked(True) if the_autologin == "true":#防止登出時,自動登入 threading.Timer(1, self.on_pushButton_enter_clicked).start() #self.on_pushButton_enter_clicked() ################################################ #######程式入門 ################################################ if __name__ == "__main__": app = QApplication(sys.argv) dialog = logindialog() ifdialog.exec_()==QDialog.Accepted: the_window = MainWindow() the_window.show() sys.exit(app.exec_())
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