手把手教你开发Python桌面应用-PyQt6图书管理系统-登录功能UI设计实现

锋哥原创的PyQt6图书管理系统视频教程：

PyQt6图书管理系统视频教程 Python桌面开发 Python入门级项目实战 (无废话版) 火爆连载更新中~_哔哩哔哩_bilibiliPyQt6图书管理系统视频教程 Python桌面开发 Python入门级项目实战 (无废话版) 火爆连载更新中~共计18条视频，包括：PyQt6图书管理系统视频教程 Python桌面开发 Python入门级项目实战 (无废话版) 火爆连载更新中~、第2讲 登录功能UI设计实现、第3讲 数据库操作工具包dbUtil.py封装等，UP主更多精彩视频，请关注UP账号。https://www.bilibili.com/video/BV18t4y1R7Qp/我们使用Qt Designer 设计登录页面

我们用PyUIC工具，把“登录.ui”转成Python代码：

# Form implementation generated from reading ui file '登录.ui'
#
# Created by: PyQt6 UI code generator 6.4.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic6 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt6 import QtCore, QtGui, QtWidgets


class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName("Form")
        Form.resize(517, 423)
        self.formLayoutWidget = QtWidgets.QWidget(parent=Form)
        self.formLayoutWidget.setGeometry(QtCore.QRect(100, 130, 311, 131))
        self.formLayoutWidget.setObjectName("formLayoutWidget")
        self.formLayout = QtWidgets.QFormLayout(self.formLayoutWidget)
        self.formLayout.setContentsMargins(30, 10, 10, 0)
        self.formLayout.setHorizontalSpacing(30)
        self.formLayout.setVerticalSpacing(50)
        self.formLayout.setObjectName("formLayout")
        self.label = QtWidgets.QLabel(parent=self.formLayoutWidget)
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label.setFont(font)
        self.label.setObjectName("label")
        self.formLayout.setWidget(0, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label)
        self.lineEdit = QtWidgets.QLineEdit(parent=self.formLayoutWidget)
        self.lineEdit.setObjectName("lineEdit")
        self.formLayout.setWidget(0, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit)
        self.label_2 = QtWidgets.QLabel(parent=self.formLayoutWidget)
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label_2.setFont(font)
        self.label_2.setObjectName("label_2")
        self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_2)
        self.lineEdit_2 = QtWidgets.QLineEdit(parent=self.formLayoutWidget)
        self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.EchoMode.Password)
        self.lineEdit_2.setObjectName("lineEdit_2")
        self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit_2)
        self.pushButton = QtWidgets.QPushButton(parent=Form)
        self.pushButton.setGeometry(QtCore.QRect(130, 280, 101, 31))
        icon = QtGui.QIcon()
        icon.addPixmap(QtGui.QPixmap("../images/login.png"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
        self.pushButton.setIcon(icon)
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(parent=Form)
        self.pushButton_2.setGeometry(QtCore.QRect(300, 280, 91, 31))
        icon1 = QtGui.QIcon()
        icon1.addPixmap(QtGui.QPixmap("../images/reset.png"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
        self.pushButton_2.setIcon(icon1)
        self.pushButton_2.setObjectName("pushButton_2")
        self.label_3 = QtWidgets.QLabel(parent=Form)
        self.label_3.setGeometry(QtCore.QRect(190, 60, 221, 51))
        font = QtGui.QFont()
        font.setPointSize(26)
        self.label_3.setFont(font)
        self.label_3.setObjectName("label_3")
        self.label_4 = QtWidgets.QLabel(parent=Form)
        self.label_4.setGeometry(QtCore.QRect(120, 50, 61, 61))
        self.label_4.setText("")
        self.label_4.setPixmap(QtGui.QPixmap("../images/logo.png"))
        self.label_4.setObjectName("label_4")

        self.retranslateUi(Form)
        QtCore.QMetaObject.connectSlotsByName(Form)

    def retranslateUi(self, Form):
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "管理员登录"))
        self.label.setText(_translate("Form", "用户名："))
        self.label_2.setText(_translate("Form", "密  码："))
        self.pushButton.setText(_translate("Form", "登录"))
        self.pushButton_2.setText(_translate("Form", "重置"))
        self.label_3.setText(_translate("Form", "图书管理系统"))

我们后续再这个代码基础上，进行管理员登录业务逻辑的开发实现。