PyQt5 图形界面设计：添加读者窗口

from PyQt5.QtWidgets import QMainWindow, QLabel, QLineEdit, QComboBox, QPushButton

class Add_Reader_Window(QMainWindow):

def __init__(self, privilege, parent=None):
    super(Add_Reader_Window, self).__init__(parent)
    self.privilege = privilege
    self.setWindowTitle('增加读者界面')
    self.resize(400, 300)

    # 创建界面控件
    self.label_add_readerId = QLabel('借书证号：')
    self.edit_add_readerId = QLineEdit()
    self.label_add_readerName = QLabel('姓名：')
    self.edit_add_readerName = QLineEdit()
    self.label_add_gender = QLabel('性别：')
    self.combo_add_gender = QComboBox()
    self.combo_add_gender.addItem('男')
    self.combo_add_gender.addItem('女')
    self.label_add_birth = QLabel('出生年月：')
    self.edit_add_birth = QLineEdit()
    self.label_add_shuliang = QLabel('借书量：')
    self.edit_add_shuliang = QLineEdit()
    self.label_add_phone = QLabel('联系方式：')
    self.edit_add_phone = QLineEdit()
    self.label_add_beizhu = QLabel('备注：')
    self.edit_add_beizhu = QLineEdit()
    self.btn_add_reader_yes = QPushButton('添加')
    self.btn_add_reader_fanhui = QPushButton('返回')