如何利用PyQt5美化你的GUI界面

1 圆点选择选项设置

效果展示

代码参考

#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
from pyqt5 import qtwidgets, qtcore
from pyqt5.qtwidgets import *
 
class qt_view(qwidget):
    def __init__(self):
        super(qt_view, self).__init__()
 
        self.resize(600, 250)
        self.setwindowtitle("圆点选择")
 
        self.radiobutton_1 = qtwidgets.qradiobutton(self)
        self.radiobutton_1.setgeometry(qtcore.qrect(230, 100, 89, 16))
        self.radiobutton_1.setstylesheet("font-family:微软雅黑; color:black;")
        self.radiobutton_1.setobjectname("radiobutton_1")
        self.radiobutton_2 = qtwidgets.qradiobutton(self)
        self.radiobutton_2.setgeometry(qtcore.qrect(310, 100, 89, 16))
        self.radiobutton_2.setstylesheet("font-family:微软雅黑; color:black;")
        self.radiobutton_2.setobjectname("radiobutton_2")
 
        translate = qtcore.qcoreapplication.translate
        self.radiobutton_1.settext(translate("form", "选项1"))
        self.radiobutton_2.settext(translate("form", "选项2"))
 
if __name__ == '__main__':
    app = qtwidgets.qapplication(sys.argv)
    my = qt_view()
    my.show()
    app.exec_()

2 选项按钮设置

效果展示

代码参考

import sys
from pyqt5 import qtwidgets, qtcore
from pyqt5.qtwidgets import *
 
class qt_view(qwidget):
    def __init__(self):
        super(qt_view, self).__init__()
        self.resize(600, 250)
        self.setwindowtitle("圆灰按钮")
 
        button_open_img = qpushbutton(self)
        button_open_img.settext("打开图片")
        button_open_img.move(250, 100)
        button_open_img.setfixedsize(150, 50)
        button_open_img.setstylesheet("qpushbutton{\n"
                                    "    background:orange;\n"
                                    "    color:white;\n"
                                    "    box-shadow: 1px 1px 3px;font-size:18px;border-radius: 24px;font-family: 微软雅黑;\n"
                                    "}\n"
                                    "qpushbutton:pressed{\n"
                                    "    background:black;\n"
                                    "}")
 
if __name__ == '__main__':
    app = qtwidgets.qapplication(sys.argv)
    my = qt_view()
    my.show()
    app.exec_()

3 关闭弹窗设置

效果展示

代码参考

import sys
from pyqt5 import qtwidgets, qtcore
from pyqt5.qtwidgets import *
 
class qt_view(qwidget):
    def __init__(self):
        super(qt_view, self).__init__()
        print("关闭弹窗")
        result = qmessagebox.question(self, "注意!", "您真的要关闭吗？", qmessagebox.yes | qmessagebox.no, qmessagebox.no)
        if result == qmessagebox.yes:
            qmessagebox.information(self, "消息", "谢谢使用！")
            quit()
        else:
            qmessagebox.information(self, "消息", "正在返回...")
            quit()
 
if __name__ == '__main__':
    app = qtwidgets.qapplication(sys.argv)
    my = qt_view()
    my.show()
    app.exec_()

4 关闭程序弹窗

效果展示

代码参考

from pyqt5 import qtwidgets
import sys
 
class ui_dialog(object):
    def setupui(self, dialog):
        dialog.setobjectname("dialog")
        dialog.resize(600, 320)
 
class dialog(qtwidgets.qmainwindow):
    def closeevent(self, event):
        reply = qtwidgets.qmessagebox.question(self,
                                               '本程序',
                                               "是否要退出程序？",
                                               qtwidgets.qmessagebox.yes | qtwidgets.qmessagebox.no,
                                               qtwidgets.qmessagebox.no)
        if reply == qtwidgets.qmessagebox.yes:
            event.accept()
        else:
            event.ignore()
 
if __name__ == '__main__':
    app = qtwidgets.qapplication(sys.argv)
    dialog = dialog()
    ui = ui_dialog()
    ui.setupui(dialog)
    dialog.show()
    sys.exit(app.exec_())

5 设置关闭按钮

效果展示

代码参考

import sys
from pyqt5 import qtwidgets, qtcore
from pyqt5.qtwidgets import *
from pyqt5.qtcore import *
 
class gui_view(qwidget):
    def __init__(self):
        super(gui_view, self).__init__()
 
        self.resize(500, 350)
        self.setwindowflags(qt.framelesswindowhint)  # 去边框
        # # self.setattribute(qt.wa_translucentbackground)  # 设置窗口背景透明
 
        button_red = qpushbutton(self)
        button_red.move(20, 20)
        button_red.setfixedsize(20, 20)
        button_red.setstylesheet("qpushbutton{\n"
                                         "    background:#ce0000;\n"
                                         "    color:white;\n"
                                         "    box-shadow: 1px 1px 3px;border-radius: 10px;\n"
                                         "}\n"
                                         "qpushbutton:hover{                    \n"
                                         "    background:red;\n"
                                         "}\n"
                                         "qpushbutton:pressed{\n"
                                         "    border: 1px solid #3c3c3c!important;\n"
                                         "    background:black;\n"
                                         "}")
        button_red.clicked.connect(self.quit_button)
 
        button_orange = qpushbutton(self)
        button_orange.move(50, 20)
        button_orange.setfixedsize(20, 20)
        button_orange.setstylesheet("qpushbutton{\n"
                                 "    background:orange;\n"
                                 "    color:white;\n"
                                 "    box-shadow: 1px 1px 3px;border-radius: 10px;\n"
                                 "}\n"
                                 "qpushbutton:hover{                    \n"
                                 "    background:yellow;\n"
                                 "}\n"
                                 "qpushbutton:pressed{\n"
                                 "    border: 1px solid #3c3c3c!important;\n"
                                 "    background:black;\n"
                                 "}")
 
        button_green = qpushbutton(self)
        button_green.move(80, 20)
        button_green.setfixedsize(20, 20)
        button_green.setstylesheet("qpushbutton{\n"
                                    "    background:green;\n"
                                    "    color:white;\n"
                                    "    box-shadow: 1px 1px 3px;border-radius: 10px;\n"
                                    "}\n"
                                    "qpushbutton:hover{                    \n"
                                    "    background:#08bf14;\n"
                                    "}\n"
                                    "qpushbutton:pressed{\n"
                                    "    border: 1px solid #3c3c3c!important;\n"
                                    "    background:black;\n"
                                    "}")
 
    def quit_button(self):
        quit()
 
if __name__ == '__main__':
    app2 = qtwidgets.qapplication(sys.argv)
    my = gui_view()
    my.show()
    app2.exec_()

6 设置背景

效果展示

代码参考

import sys
from pyqt5 import qtwidgets, qtcore
from pyqt5.qtwidgets import *
from pyqt5 import qtgui
 
class gui_view(qwidget):
    def __init__(self):
        super(gui_view, self).__init__()
        self.resize(1200, 750)
        # self.setstylesheet("background-image: url(:f:/background.jpg);")
        self.setwindowtitle("设置背景图片")
        window_pale = qtgui.qpalette()
        window_pale.setbrush(self.backgroundrole(), qtgui.qbrush(qtgui.qpixmap("f:/background.jpg")))
        self.setpalette(window_pale)
 
if __name__ == '__main__':
    app2 = qtwidgets.qapplication(sys.argv)
    my = gui_view()
    my.show()
    app2.exec_()

7 下拉列表框设置

效果展示

代码参考

import sys
from pyqt5.qtwidgets import qwidget, qcombobox, qapplication
 
class comboxdemo(qwidget):
    def __init__(self):
        super().__init__()
 
        self.setwindowtitle('下拉列表框')
        self.resize(700, 400)
 
        # 实例化qcombox对象
        self.cb = qcombobox(self)
        self.cb.move(100, 20)
 
        # 单个添加条目
        self.cb.additem('选项1')
        self.cb.additem('选项2')
        # 多个添加条目
        self.cb.additems(['选项3', '选项4', '选项5'])
 
        self.cb.currentindexchanged[str].connect(self.print_value)  
 
    def print_value(self, value):
        print(value)
 
if __name__ == '__main__':
    app = qapplication(sys.argv)
    comboxdemo = comboxdemo()
    comboxdemo.show()
    sys.exit(app.exec_())

8 等待时显示进度条

效果展示

代码参考

from pyqt5.qtwidgets import qmainwindow, qprogressbar, qapplication, qlabel, qstatusbar, qpushbutton
import sys
 
class samplebar(qmainwindow):
    def __init__(self, parent=none):
        super(samplebar, self).__init__(parent)
        self.setminimumsize(400, 100)
        self.statusbar = qstatusbar()
        self.statusbar.setstylesheet('qstatusbar::item {border: none;}')
        self.setstatusbar(self.statusbar)
        self.progressbar = qprogressbar()
        self.label = qlabel()
        self.label.settext("加载中，请稍后... ")
        self.statusbar.addpermanentwidget(self.label, stretch=2)
        self.statusbar.addpermanentwidget(self.progressbar, stretch=4)
        self.progressbar.setrange(0, 100)
        self.progressbar.setminimum(0)
        self.progressbar.setmaximum(0)
 
if __name__ == '__main__':
    app = qapplication(sys.argv)
    main = samplebar()
    main.show()
    sys.exit(app.exec_())

总结

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