PyQt5實現登錄頁面

本文實例為大家分享了PyQt5實現登錄頁面的具體代碼，供大家參考，具體內容如下

效果圖:

python代碼:

  import sys     from PyQt5.QtCore import Qt  from PyQt5.QtGui import QPixmap, QPainter, QColor, QFont, QIcon  from PyQt5.QtWidgets import QWidget, QVBoxLayout, QApplication, QLabel, QDesktopWidget, QHBoxLayout, QFormLayout,     QPushButton, QLineEdit        class LoginForm(QWidget):    def __init__(self):      super().__init__()      self.initUI()       def initUI(self):      """      初始化UI      :return:      """      self.setObjectName("loginWindow")      self.setStyleSheet('#loginWindow{background-color:white}')      self.setFixedSize(650, 400)      self.setWindowTitle("登錄")      self.setWindowIcon(QIcon('static/logo_title.png'))         self.text = "xxxx消息盒子用戶登錄"         # 添加頂部logo圖片      pixmap = QPixmap("static/logo_header.png")      scaredPixmap = pixmap.scaled(650, 140)      label = QLabel(self)      label.setPixmap(scaredPixmap)         # 繪製頂部文字      lbl_logo = QLabel(self)      lbl_logo.setText(self.text)      lbl_logo.setStyleSheet("QWidget{color:white;font-weight:600;background: transparent;font-size:30px;}")      lbl_logo.setFont(QFont("Microsoft YaHei"))      lbl_logo.move(150, 50)      lbl_logo.setAlignment(Qt.AlignCenter)      lbl_logo.raise_()         # 登錄表單內容部分      login_widget = QWidget(self)      login_widget.move(0, 140)      login_widget.setGeometry(0, 140, 650, 260)         hbox = QHBoxLayout()      # 添加左側logo      logolb = QLabel(self)      logopix = QPixmap("static/logo.png")      logopix_scared = logopix.scaled(100, 100)      logolb.setPixmap(logopix_scared)      logolb.setAlignment(Qt.AlignCenter)      hbox.addWidget(logolb, 1)      # 添加右側表單      fmlayout = QFormLayout()      lbl_workerid = QLabel("用戶名")      lbl_workerid.setFont(QFont("Microsoft YaHei"))      led_workerid = QLineEdit()      led_workerid.setFixedWidth(270)      led_workerid.setFixedHeight(38)         lbl_pwd = QLabel("密碼")      lbl_pwd.setFont(QFont("Microsoft YaHei"))      led_pwd = QLineEdit()      led_pwd.setEchoMode(QLineEdit.Password)      led_pwd.setFixedWidth(270)      led_pwd.setFixedHeight(38)         btn_login = QPushButton("登錄")      btn_login.setFixedWidth(270)      btn_login.setFixedHeight(40)      btn_login.setFont(QFont("Microsoft YaHei"))      btn_login.setObjectName("login_btn")      btn_login.setStyleSheet("#login_btn{background-color:#2c7adf;color:#fff;border:none;border-radius:4px;}")         fmlayout.addRow(lbl_workerid, led_workerid)      fmlayout.addRow(lbl_pwd, led_pwd)      fmlayout.addWidget(btn_login)      hbox.setAlignment(Qt.AlignCenter)      # 調整間距      fmlayout.setHorizontalSpacing(20)      fmlayout.setVerticalSpacing(12)         hbox.addLayout(fmlayout, 2)         login_widget.setLayout(hbox)         self.center()      self.show()       def center(self):      qr = self.frameGeometry()      cp = QDesktopWidget().availableGeometry().center()      qr.moveCenter(cp)      self.move(qr.topLeft())        if __name__ == "__main__":    app = QApplication(sys.argv)    ex = LoginForm()    sys.exit(app.exec_())