QGridLayout
QGridLayout类将部件布置在网格中。
user_label: (0, 0),第1行第1列
user_line: (0, 1),第1行第2列
pwd_label: (1, 0),第2行第1列
pwd_line: (1, 1),第2行第2列
# -*- coding: utf-8 -*-
"""
Created on Sat May 9 09:08:54 2020
@author: Giyn
"""
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QLineEdit, QPushButton, QGridLayout
class Simple_Window(QWidget):
def __init__(self):
super(Simple_Window, self).__init__() # 使用super函数可以实现子类使用父类的方法
self.setWindowTitle('登录系统') # 设置窗口标题
self.user_label = QLabel("用户名:", self) # self是指定的父类Simple_Window,表示QLabel属于Simple_Window窗口
self.pwd_label = QLabel("密码:", self)
self.user_line = QLineEdit(self)
self.pwd_line = QLineEdit(self)
self.login_button = QPushButton("登录", self)
self.sign_button = QPushButton("注册", self)
self.g_layout = QGridLayout() # 实例化一个QGridLayout对象
self.g_layout.addWidget(self.user_label, 0, 0)
self.g_layout.addWidget(self.user_line, 0, 1)
self.g_layout.addWidget(self.pwd_label, 1, 0)
self.g_layout.addWidget(self.pwd_line, 1, 1)
self.g_layout.addWidget(self.login_button, 2, 0)
self.g_layout.addWidget(self.sign_button, 2, 1)
self.setLayout(self.g_layout) # 调用窗口的setLayout方法将总布局设置为窗口的整体布局
if __name__ == "__main__":
app = QApplication(sys.argv)
window = Simple_Window()
window.show()
sys.exit(app.exec())