import sys
from PyQt5.QtWidgets import QApplication ,QWidget , QGridLayout, QPushButton
class Winform(QWidget):
  def __init__(self,parent=None):
    super(Winform,self).__init__(parent)
    self.initUI()
  def initUI(self):      
    #1创建QGridLayout的实例，并设置窗口的布局
    grid = QGridLayout() 
    self.setLayout(grid) 
    #2创建按钮的标签列表
    names = ['Cls', 'Back', '', 'Close', 
         '7', '8', '9', '/', 
        '4', '5', '6', '*', 
         '1', '2', '3', '-', 
        '0', '.', '=', '+'] 
    #3 在网格中创建一个位置列表    
    positions = [(i,j) for i in range(5) for j in range(4)] 
    #4 创建按钮并通过addWIdget（）方法添加到布局中
    for position, name in zip(positions, names):        
      if name == '': 
        continue 
      button = QPushButton(name) 
      grid.addWidget(button, *position) 
    self.move(300, 150) 
    self.setWindowTitle('网格布局管理例子') 
if __name__ == "__main__": 
    app = QApplication(sys.argv) 
    form = Winform()
    form.show()
    sys.exit(app.exec_())

import sys
from PyQt5.QtWidgets import (QWidget, QLabel, QLineEdit,  QTextEdit, QGridLayout, QApplication) 
class Winform(QWidget):
  def __init__(self,parent=None):
    super(Winform,self).__init__(parent)
    self.initUI()
  def initUI(self):      
    titleLabel = QLabel('标题') 
    authorLabel = QLabel('提交人') 
    contentLabel = QLabel('申告内容') 
    titleEdit = QLineEdit() 
    authorEdit = QLineEdit() 
    contentEdit = QTextEdit() 
    grid = QGridLayout() 
    grid.setSpacing(10) 
    grid.addWidget(titleLabel, 1, 0) 
    grid.addWidget(titleEdit, 1, 1) 
    grid.addWidget(authorLabel, 2, 0) 
    grid.addWidget(authorEdit, 2, 1) 
    grid.addWidget(contentLabel, 3, 0) 
    grid.addWidget(contentEdit, 3, 1, 5, 1) 
    self.setLayout(grid)  
    self.setGeometry(300, 300, 350, 300) 
    self.setWindowTitle('故障申告')
if __name__ == "__main__": 
    app = QApplication(sys.argv) 
    form = Winform()
    form.show()
    sys.exit(app.exec_())