1、绝对布局方式
'''
绝对布局方式,通过move的XY坐标方式来控制控件的位置
'''
from PyQt5.QtWidgets import *
import sys,math class absolutelayout(QWidget):
def __init__(self):
super(absolutelayout,self).__init__()
self.setWindowTitle("绝对布局方式")
self.label1=QLabel("欢迎",self)
self.label1.move(15,20) self.label2 = QLabel("欢迎",self)
self.label2.move(35, 40) self.label3 = QLabel("欢迎",self)
self.label3.move(55, 80) if __name__=="__main__":
app=QApplication(sys.argv)
p=absolutelayout()
p.show()
sys.exit(app.exec_())
2、水平盒方式QHBoxLayout（）
'''
水平盒布局方式
'''
from PyQt5.QtWidgets import *
import sys,math class hboxlayout(QWidget):
def __init__(self):
super(hboxlayout,self).__init__()
self.setWindowTitle("水平盒布局方式")
self.layout=QHBoxLayout() self.label1=QLabel("欢迎")
self.label2 = QLabel("欢迎")
self.label3 = QLabel("欢迎")
self.label4 = QLabel("欢迎")
self.label5 = QLabel("欢迎") self.layout.addWidget(self.label1)
self.layout.addWidget(self.label2)
self.layout.addWidget(self.label3)
self.layout.addWidget(self.label4)
self.layout.addWidget(self.label5) # 设置水平盒布局的控件间距大小
self.layout.setSpacing(100)
self.setLayout(self.layout) if __name__=="__main__":
app=QApplication(sys.argv)
p=hboxlayout()
p.show()
sys.exit(app.exec_())
3、水平布局设置伸缩量
'''
设置控件的伸缩量
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class absolutelayout(QWidget):
def __init__(self):
super(absolutelayout, self).__init__()
self.setWindowTitle("设置伸缩量")
self.resize(800,100)
self.layout = QHBoxLayout() self.btn1=QPushButton("按钮1")
self.btn2= QPushButton("按钮2")
self.btn3= QPushButton("按钮3")
self.btn4 = QPushButton("按钮4")
self.btn5 = QPushButton("按钮5") #将前五个按钮放在左边显示
self.layout.addStretch(0) #设置布局的伸缩量-默认右对齐方式
self.layout.addWidget(self.btn1)
self.layout.addWidget(self.btn2)
self.layout.addWidget(self.btn3)
self.layout.addWidget(self.btn4)
self.layout.addWidget(self.btn5) #将第6个和第7个按钮放在右边显示
self.btn6=QPushButton("按钮6")
self.btn7=QPushButton("按钮7")
self.layout.addStretch(1)
self.layout.addWidget(self.btn6)
self.layout.addWidget(self.btn7) self.setLayout(self.layout) if __name__ == "__main__":
app = QApplication(sys.argv)
p = absolutelayout()
p.show()
sys.exit(app.exec_())
4、水平盒方式QHBoxLayout的对齐方式
'''
水平盒布局方式控件对齐方式
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class absolutelayout(QWidget):
def __init__(self):
super(absolutelayout, self).__init__()
self.setWindowTitle("控件对齐方式")
self.layout = QHBoxLayout() self.label1 = QLabel("欢迎")
self.label2 = QLabel("欢迎")
self.label3 = QLabel("欢迎")
self.label4 = QLabel("欢迎")
self.label5 = QLabel("欢迎") #设置水平盒布局的对齐方式layout.addwidget(控件，控件位置长度比例，对齐方式)
self.layout.addWidget(self.label1,2,Qt.AlignLeft | Qt.AlignTop)
self.layout.addWidget(self.label2,1,Qt.AlignLeft | Qt.AlignTop)
self.layout.addWidget(self.label3,1,Qt.AlignLeft | Qt.AlignBottom)
self.layout.addWidget(self.label4,1,Qt.AlignLeft | Qt.AlignBottom)
self.layout.addWidget(self.label5,1,Qt.AlignLeft) # 设置水平盒布局的控件间距大小
self.layout.setSpacing(20)
self.setLayout(self.layout) if __name__ == "__main__":
app = QApplication(sys.argv)
p = absolutelayout()
p.show()
sys.exit(app.exec_())
5、垂直盒方式QVBoxLayout（）
'''
垂直盒布局方式
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class vboxlayout(QWidget):
def __init__(self):
super(vboxlayout, self).__init__()
self.setWindowTitle("垂直盒布局方式")
self.resize(100,2000)
self.layout = QVBoxLayout() self.label1 = QPushButton("欢迎")
self.label2 = QPushButton("欢迎")
self.label3 = QPushButton("欢迎")
self.label4 = QPushButton("欢迎")
self.label5 = QPushButton("欢迎") #设置垂直盒布局的对齐方式layout.addwidget(控件，控件位置长度比例，对齐方式)
self.layout.addWidget(self.label1)
self.layout.addWidget(self.label2)
self.layout.addWidget(self.label3)
self.layout.addWidget(self.label4)
self.layout.addWidget(self.label5) # 设置垂直盒布局的控件间距大小
self.layout.setSpacing(20)
self.setLayout(self.layout) if __name__ == "__main__":
app = QApplication(sys.argv)
p =vboxlayout()
p.show()
sys.exit(app.exec_())
6、将按钮永远放在窗口右下角
'''
将按钮永远放在窗口的右下角
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class rightbutton(QWidget):
def __init__(self):
super(rightbutton, self).__init__()
self.setWindowTitle("按钮放在窗口的右下角")
self.resize(400,300) ok=QPushButton("确定")
cancel=QPushButton("取消") h=QHBoxLayout()
h.addStretch(1)
h.addWidget(ok)
h.addWidget(cancel) v=QVBoxLayout()
bt1=QPushButton("按钮1")
bt2 = QPushButton("按钮2")
bt3 = QPushButton("按钮3") v.addStretch(0) #放在上面
v.addWidget(bt1)
v.addWidget(bt2)
v.addWidget(bt3) v.addStretch(1) #始终保持在放在右下角
v.addLayout(h)
self.setLayout(v) if __name__ == "__main__":
app = QApplication(sys.argv)
p = rightbutton()
p.show()
sys.exit(app.exec_())
7、栅格布局方式QGridLayout() #栅格布局：实现计算器
'''
实现计算器功能
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class calcu(QWidget):
def __init__(self):
super(calcu, self).__init__()
self.setWindowTitle("栅格布局实现计算器UI")
self.resize(400,300)
grid=QGridLayout() names=["CLS","Back","","Close",
"7","8","9","/",
"4","5","6","*",
"1","2","3","-",
"0",".","=","+"]
positions=[(i,j) for i in range(5) for j in range(4)] for position,name in zip(positions,names): #采用zip组合循环的方式来进行对象的匹配
if name=="":
continue
print(position)
print(name)
b=QPushButton(name)
#grid.addWidget(b,position[0],position[1]) #放置控件名称，位置坐标x,位置坐标y
grid.addWidget(b, *position) # *p表示将元组（x,y）转换为x y
self.setLayout(grid) if __name__ == "__main__":
app = QApplication(sys.argv)
p =calcu()
p.show()
sys.exit(app.exec_())
8、栅格布局2
#栅格布局：实现表单UI设计
'''
实现表单设计
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class table(QWidget):
def __init__(self):
super(table, self).__init__()
self.setWindowTitle("栅格布局实现表单UI设计")
#self.resize(400,300)
grid=QGridLayout() label1=QLabel("标题")
label2=QLabel("作者")
label3=QLabel("内容") l1=QLineEdit()
l2=QLineEdit()
l3=QTextEdit()
grid.setSpacing(10) grid.addWidget(label1,1,0)
grid.addWidget(l1,1,1) grid.addWidget(label2,2,0)
grid.addWidget(l2,2,1) grid.addWidget(label3,3,0,5,1,Qt.AlignCenter) #占据伸缩比为5行1列
grid.addWidget(l3,3,1,5,1) #占据比例为5行1列 self.setLayout(grid) if __name__ == "__main__":
app = QApplication(sys.argv)
p =table()
p.show()
sys.exit(app.exec_())
9、表单布局QFormLayout()
'''
实现表单设计
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class tab(QWidget):
def __init__(self):
super(tab, self).__init__()
self.setWindowTitle("表单布局")
form=QFormLayout() label1=QLabel("标题")
label2=QLabel("作者")
label3=QLabel("内容") l1=QLineEdit()
l2=QLineEdit()
l3=QTextEdit() # 表单布局直接使用addrow(函数)进行表单布局的放置
form.addRow(label1,l1)
form.addRow(label2,l2)
form.addRow(label3,l3)
self.setLayout(form) if __name__ == "__main__":
app = QApplication(sys.argv)
p =tab()
p.show()
sys.exit(app.exec_())
10、拖动控件边界QSplitter控件
# 拖动控件之间的边界QSplitter控件
'''
改变不同控件之间的边界
'''
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
import sys, math class splitter(QWidget):
def __init__(self):
super(splitter, self).__init__()
self.setWindowTitle("拖动控件之间的边界")
self.setGeometry(300,300,300,200) topleft=QFrame()
topleft.setFrameShape(QFrame.StyledPanel) bottom = QTextEdit("编辑器") #设置所包含的控件之间可以水平拖动，基本设置为水平布局
splitter1=QSplitter(Qt.Horizontal) text=QTextEdit("代码区")
splitter1.addWidget(topleft)
splitter1.addWidget(text) #设置默认的控件之间的大小距离
splitter1.setSizes([100,200]) #设置所包含的控件之间可以垂直拖动，设置我垂直布局
splitter2= QSplitter(Qt.Vertical) text = QTextEdit()
splitter2.addWidget(splitter1)
splitter2.addWidget(bottom) h=QVBoxLayout()
h.addWidget(splitter2)
self.setLayout(h) if __name__ == "__main__":
app = QApplication(sys.argv)
p = splitter()
p.show()
sys.exit(app.exec_())