布局

绝对布局

'''
绝对布局

'''


import sys,math
from PyQt5.QtWidgets import *


class AbsoluteLayout(QWidget) :
    def __init__(self):
        super(AbsoluteLayout,self).__init__()
        self.setWindowTitle("绝对布局")

        self.label1 = QLabel('欢迎',self)
        self.label1.move(15,20)

        self.label2 = QLabel('学习',self)
        self.label2.move(35,40)

        self.label3 = QLabel('PyQt5',self)
        self.label3.move(55,80)





if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = AbsoluteLayout()
    main.show()
    sys.exit(app.exec_())

image

水平布局

'''

水平盒布局（QHBoxLayout）



'''

import sys,math
from PyQt5.QtWidgets import *


class HBoxLayout(QWidget) :
    def __init__(self):
        super(HBoxLayout,self).__init__()
        self.setWindowTitle("水平盒布局")

        hlayout = QHBoxLayout()
        hlayout.addWidget(QPushButton('按钮1'))
        hlayout.addWidget(QPushButton('按钮2'))
        hlayout.addWidget(QPushButton('按钮3'))
        hlayout.addWidget(QPushButton('按钮4'))
        hlayout.addWidget(QPushButton('按钮5'))
        hlayout.setSpacing(40)
        self.setLayout(hlayout)






if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = HBoxLayout()
    main.show()
    sys.exit(app.exec_())

image

对齐方式

'''

设置控件的对齐方式



'''

import sys,math
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt


class HBoxLayoutAlign(QWidget) :
    def __init__(self):
        super(HBoxLayoutAlign,self).__init__()
        self.setWindowTitle("水平盒布局")

        hlayout = QHBoxLayout()
        hlayout.addWidget(QPushButton('按钮1'),2,Qt.AlignLeft | Qt.AlignTop)
        hlayout.addWidget(QPushButton('按钮2'),4,Qt.AlignLeft | Qt.AlignTop)
        hlayout.addWidget(QPushButton('按钮3'),1,Qt.AlignLeft | Qt.AlignTop)
        hlayout.addWidget(QPushButton('按钮4'),1,Qt.AlignLeft | Qt.AlignBottom)
        hlayout.addWidget(QPushButton('按钮5'),1,Qt.AlignLeft | Qt.AlignBottom)
        hlayout.setSpacing(40)
        self.setLayout(hlayout)






if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = HBoxLayoutAlign()
    main.show()
    sys.exit(app.exec_())

image

垂直布局

'''

垂直盒布局（QBoxLayout）



'''

import sys,math
from PyQt5.QtWidgets import *


class VBoxLayout(QWidget) :
    def __init__(self):
        super(VBoxLayout,self).__init__()
        self.setWindowTitle("垂直盒布局")

        layout = QVBoxLayout()
        layout.addWidget(QPushButton('按钮1'))
        layout.addWidget(QPushButton('按钮2'))
        layout.addWidget(QPushButton('按钮3'))
        layout.addWidget(QPushButton('按钮4'))
        layout.addWidget(QPushButton('按钮5'))

        self.setLayout(layout)






if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = VBoxLayout()
    main.show()
    sys.exit(app.exec_())

image

布局伸缩量

'''

设置伸缩量（addStretch）



'''

import sys,math
from PyQt5.QtWidgets import *


class Stretch(QWidget) :
    def __init__(self):
        super(Stretch,self).__init__()
        self.setWindowTitle("设置伸缩量")
        btn1 = QPushButton(self)
        btn2 = QPushButton(self)
        btn3 = QPushButton(self)
        btn1.setText("按钮1")
        btn2.setText("按钮2")
        btn3.setText("按钮3")

        layout = QHBoxLayout()

        layout.addStretch(1)
        layout.addWidget(btn1)

        layout.addStretch(2)
        layout.addWidget(btn2)
        layout.addStretch(3)
        layout.addWidget(btn3)

        self.setLayout(layout)







if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = Stretch()
    main.show()
    sys.exit(app.exec_())

image

'''

设置伸缩量（addStretch）



'''

import sys,math
from PyQt5.QtWidgets import *


class Stretch(QWidget) :
    def __init__(self):
        super(Stretch,self).__init__()
        self.setWindowTitle("设置伸缩量")
        self.resize(800,100)
        btn1 = QPushButton(self)
        btn2 = QPushButton(self)
        btn3 = QPushButton(self)
        btn4 = QPushButton(self)
        btn5 = QPushButton(self)
        btn1.setText("按钮1")
        btn2.setText("按钮2")
        btn3.setText("按钮3")
        btn4.setText("按钮4")
        btn5.setText("按钮5")

        layout = QHBoxLayout()

        layout.addStretch(0)
        layout.addWidget(btn1)
        layout.addWidget(btn2)
        layout.addWidget(btn3)
        layout.addWidget(btn4)
        layout.addWidget(btn5)

        btnOK = QPushButton(self)
        btnOK.setText("确定")
        btnCancel = QPushButton(self)
        btnCancel.setText("取消")
        layout.addStretch(1)

        layout.addWidget(btnOK)
        layout.addWidget(btnCancel)
        self.setLayout(layout)







if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = Stretch()
    main.show()
    sys.exit(app.exec_())

image

让按钮永远在窗口右下角
'''

让按钮永远在窗口右下角


'''

import sys,math
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt


class RightBottomButton(QWidget) :
    def __init__(self):
        super(RightBottomButton,self).__init__()
        self.setWindowTitle("让按钮永远在右下角")
        self.resize(400,300)

        okButton = QPushButton("确定")
        cancelButton = QPushButton("取消")

        hbox = QHBoxLayout()
        hbox.addStretch(1)
        hbox.addWidget(okButton)
        hbox.addWidget(cancelButton)

        vbox = QVBoxLayout()
        btn1 = QPushButton("按钮1")
        btn2 = QPushButton("按钮2")
        btn3 = QPushButton("按钮3")

        vbox.addStretch(0)
        vbox.addWidget(btn1)
        vbox.addWidget(btn2)
        vbox.addWidget(btn3)
        vbox.addStretch(1)
        vbox.addLayout(hbox)

        self.setLayout(vbox)





if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = RightBottomButton()
    main.show()
    sys.exit(app.exec_())
image

栅格布局

'''

栅格布局：实现计算器UI

'''

import sys,math
from PyQt5.QtWidgets import *


class Calc(QWidget) :
    def __init__(self):
        super(Calc,self).__init__()
        self.setWindowTitle("栅格布局")

        grid = QGridLayout()
        self.setLayout(grid)

        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)]
        print(positions)

        for position,name in zip(positions,names):
            if name == '':
                continue
            button = QPushButton(name)
           # print(position)
            grid.addWidget(button,*position)









if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = Calc()
    main.show()
    sys.exit(app.exec_())
image

栅格布局实现表单

'''

栅格布局：表单设计

'''

import sys,math
from PyQt5.QtWidgets import *


class GridForm(QWidget) :
    def __init__(self):
        super(GridForm,self).__init__()
        self.setWindowTitle("栅格布局：表单设计")

        titleLabel = QLabel('标题')
        authorLabel = QLabel('作者')
        contentLabel = QLabel('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.resize(350,300)








if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = GridForm()
    main.show()
    sys.exit(app.exec_())

image

表单布局 

'''

表单布局（QFormLayout）

'''

import sys,math
from PyQt5.QtWidgets import *


class FormForm(QWidget) :
    def __init__(self):
        super(FormForm,self).__init__()
        self.setWindowTitle("表单布局")
        self.resize(350,300)

        formLayout = QFormLayout()

        titleLabel = QLabel('标题')
        authorLabel = QLabel('作者')
        contentLabel = QLabel('内容')

        titleEdit = QLineEdit()
        authorEdit = QLineEdit()
        contentEdit = QTextEdit()

        formLayout.addRow(titleLabel,titleEdit)
        formLayout.addRow(authorLabel,authorEdit)
        formLayout.addRow(contentLabel,contentEdit)

        self.setLayout(formLayout)



if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = FormForm()
    main.show()
    sys.exit(app.exec_())
image
拖动控件之间的边界QSplitter
'''

拖动控件之间的边界（QSplitter）

'''

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


class Splitter(QWidget):
    def __init__(self):
        super(Splitter, self).__init__()
        self.initUI()

    def initUI(self):
        hbox = QHBoxLayout(self)
        self.setWindowTitle('QSplitter 例子')
        self.setGeometry(300, 300, 300, 200)

        topleft = QFrame()
        topleft.setFrameShape(QFrame.StyledPanel)

        bottom = QFrame()
        bottom.setFrameShape(QFrame.StyledPanel)

        splitter1 = QSplitter(Qt.Horizontal)
        textedit = QTextEdit()
        splitter1.addWidget(topleft)
        splitter1.addWidget(textedit)
        splitter1.setSizes([200,100])

        splitter2 = QSplitter(Qt.Vertical)
        splitter2.addWidget(splitter1)
        splitter2.addWidget(bottom)


        hbox.addWidget(splitter2)
        self.setLayout(hbox)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    demo = Splitter()
    demo.show()
    sys.exit(app.exec_())


image

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原文地址：https://www.cnblogs.com/wuyuan2011woaini/p/14830340.html