pip install qdarkstyle

# PyQt5 使用例子
import sys
import qdarkstyle
from PyQt5 import QtWidgets

# create the application and the main window
app = QtWidgets.QApplication(sys.argv)
window = QtWidgets.QMainWindow()

# setup stylesheet
app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
# or in new API
app.setStyleSheet(qdarkstyle.load_stylesheet(qt_api='pyqt5'))

# run
window.show()
app.exec_()

pip install qt-material

# 使用例子
import sys
# from PySide6 import QtWidgets
# from PySide2 import QtWidgets
from PyQt5 import QtWidgets
from qt_material import apply_stylesheet

# create the application and the main window
app = QtWidgets.QApplication(sys.argv)
window = QtWidgets.QMainWindow()

# setup stylesheet
apply_stylesheet(app, theme='dark_teal.xml')

# run
window.show()
app.exec_()

pip install qtawesome

from PyQt5 import QtCore, QtGui, QtWidgets


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(500, 500)
        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(MainWindow.sizePolicy().hasHeightForWidth())
        MainWindow.setSizePolicy(sizePolicy)
        MainWindow.setMaximumSize(QtCore.QSize(800, 600))
        MainWindow.setStyleSheet("")
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(30, 30, 121, 51))
        font = QtGui.QFont()
        font.setPointSize(11)
        self.pushButton.setFont(font)
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(30, 110, 121, 51))
        font = QtGui.QFont()
        font.setPointSize(11)
        self.pushButton_2.setFont(font)
        self.pushButton_2.setObjectName("pushButton_2")
        MainWindow.setCentralWidget(self.centralwidget)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))

        self.pushButton.setIcon(qta.icon('fa.video-camera'))  # 设置图标
        self.pushButton.setText(_translate("MainWindow", "Icon1"))
        self.pushButton_2.setIcon(qta.icon('fa.eye', color='red'))  # 设置图标
        self.pushButton_2.setText(_translate("MainWindow", "Icon2"))


import qtawesome as qta
import sys

if __name__ == '__main__':
    QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
    app = QtWidgets.QApplication(sys.argv)
    widgets = QtWidgets.QMainWindow()
    window = Ui_MainWindow()
    window.setupUi(widgets)
    widgets.show()
    sys.exit(app.exec_())

# marsmarcin
# 2020.3.11
# a test version for a beautiful system

from PyQt5 import QtCore, QtGui, QtWidgets
import sys
import qtawesome


class MainUi(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()
        self.init_ui()

    def init_ui(self):
        self.setFixedSize(1024, 600)
        self.main_widget = QtWidgets.QWidget()  # 创建窗口主部件
        self.main_layout = QtWidgets.QGridLayout()  # 创建主部件的网格布局
        self.main_widget.setLayout(self.main_layout)  # 设置窗口主部件布局为网格布局

        self.left_widget = QtWidgets.QWidget()  # 创建左侧部件
        self.left_widget.setObjectName('left_widget')
        self.left_layout = QtWidgets.QGridLayout()  # 创建左侧部件的网格布局层
        self.left_widget.setLayout(self.left_layout)  # 设置左侧部件布局为网格

        self.right_widget = QtWidgets.QWidget()  # 创建右侧部件
        self.right_widget.setObjectName('right_widget')
        self.right_layout = QtWidgets.QGridLayout()
        self.right_widget.setLayout(self.right_layout)  # 设置右侧部件布局为网格

        self.main_layout.addWidget(self.left_widget, 0, 0, 12, 2)  # 左侧部件在第0行第0列，占12行2列
        self.main_layout.addWidget(self.right_widget, 0, 2, 12, 10)  # 右侧部件在第0行第3列，占12行10列
        self.setCentralWidget(self.main_widget)  # 设置窗口主部件

        # self.left_close = QtWidgets.QPushButton("") # 关闭按钮
        self.left_close = QtWidgets.QPushButton(qtawesome.icon('fa.times', color='white'), "")
        # self.left_visit = QtWidgets.QPushButton("") # 空白按钮
        self.left_visit = QtWidgets.QPushButton(qtawesome.icon('fa.gamepad', color='white'), "")
        # self.left_mini = QtWidgets.QPushButton("")  # 最小化按钮
        self.left_mini = QtWidgets.QPushButton(qtawesome.icon('fa.film', color='white'), "")
        self.left_close.clicked.connect(self.close_window)  # 关联

        self.left_label_1 = QtWidgets.QPushButton("每日推荐")
        self.left_label_1.setObjectName('left_label')
        self.left_label_2 = QtWidgets.QPushButton("我的音乐")
        self.left_label_2.setObjectName('left_label')
        self.left_label_3 = QtWidgets.QPushButton("联系与帮助")
        self.left_label_3.setObjectName('left_label')

        self.left_button_1 = QtWidgets.QPushButton(qtawesome.icon('fa.music', color='white'), "华语流行")
        self.left_button_1.setObjectName('left_button')
        self.left_button_2 = QtWidgets.QPushButton(qtawesome.icon('fa.sellsy', color='white'), "在线FM")
        self.left_button_2.setObjectName('left_button')
        self.left_button_3 = QtWidgets.QPushButton(qtawesome.icon('fa.film', color='white'), "热门MV")
        self.left_button_3.setObjectName('left_button')
        self.left_button_4 = QtWidgets.QPushButton(qtawesome.icon('fa.home', color='white'), "本地音乐")
        self.left_button_4.setObjectName('left_button')
        self.left_button_5 = QtWidgets.QPushButton(qtawesome.icon('fa.download', color='white'), "下载管理")
        self.left_button_5.setObjectName('left_button')
        self.left_button_6 = QtWidgets.QPushButton(qtawesome.icon('fa.heart', color='white'), "我的收藏")
        self.left_button_6.setObjectName('left_button')
        self.left_button_7 = QtWidgets.QPushButton(qtawesome.icon('fa.comment', color='white'), "反馈建议")
        self.left_button_7.setObjectName('left_button')
        self.left_button_8 = QtWidgets.QPushButton(qtawesome.icon('fa.star', color='white'), "关注我们")
        self.left_button_8.setObjectName('left_button')
        self.left_button_9 = QtWidgets.QPushButton(qtawesome.icon('fa.question', color='white'), "遇到问题")
        self.left_button_9.setObjectName('left_button')
        self.left_xxx = QtWidgets.QPushButton(" ")

        self.left_layout.addWidget(self.left_mini, 0, 0, 1, 1)
        self.left_layout.addWidget(self.left_close, 0, 2, 1, 1)
        self.left_layout.addWidget(self.left_visit, 0, 1, 1, 1)

        self.left_layout.addWidget(self.left_label_1, 1, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_1, 2, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_2, 3, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_3, 4, 0, 1, 3)
        self.left_layout.addWidget(self.left_label_2, 5, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_4, 6, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_5, 7, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_6, 8, 0, 1, 3)
        self.left_layout.addWidget(self.left_label_3, 9, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_7, 10, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_8, 11, 0, 1, 3)
        self.left_layout.addWidget(self.left_button_9, 12, 0, 1, 3)

        self.right_bar_widget = QtWidgets.QWidget()  # 右侧顶部搜索框部件
        self.right_bar_layout = QtWidgets.QGridLayout()  # 右侧顶部搜索框网格布局
        self.right_bar_widget.setLayout(self.right_bar_layout)
        self.search_icon = QtWidgets.QLabel(chr(0xf002) + ' ' + '搜索  ')
        self.search_icon.setFont(qtawesome.font('fa', 16))
        self.right_bar_widget_search_input = QtWidgets.QLineEdit()
        self.right_bar_widget_search_input.setPlaceholderText("输入歌手、歌曲或用户，回车进行搜索")

        self.right_bar_layout.addWidget(self.search_icon, 0, 0, 1, 1)
        self.right_bar_layout.addWidget(self.right_bar_widget_search_input, 0, 1, 1, 8)

        self.right_layout.addWidget(self.right_bar_widget, 0, 0, 1, 9)

        self.right_recommend_label = QtWidgets.QLabel("今日推荐")
        self.right_recommend_label.setObjectName('right_lable')

        self.right_recommend_widget = QtWidgets.QWidget()  # 推荐封面部件
        self.right_recommend_layout = QtWidgets.QGridLayout()  # 推荐封面网格布局
        self.right_recommend_widget.setLayout(self.right_recommend_layout)

        self.recommend_button_1 = QtWidgets.QToolButton()
        self.recommend_button_1.setText("个性电台")  # 设置按钮文本
        self.recommend_button_1.setIcon(QtGui.QIcon('./r1.jpg'))  # 设置按钮图标
        self.recommend_button_1.setIconSize(QtCore.QSize(100, 100))  # 设置图标大小
        self.recommend_button_1.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)  # 设置按钮形式为上图下文

        self.recommend_button_2 = QtWidgets.QToolButton()
        self.recommend_button_2.setText("跑步者")
        self.recommend_button_2.setIcon(QtGui.QIcon('./r2.jpg'))
        self.recommend_button_2.setIconSize(QtCore.QSize(100, 100))
        self.recommend_button_2.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.recommend_button_3 = QtWidgets.QToolButton()
        self.recommend_button_3.setText("睡前")
        self.recommend_button_3.setIcon(QtGui.QIcon('./r3.jpg'))
        self.recommend_button_3.setIconSize(QtCore.QSize(100, 100))
        self.recommend_button_3.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.recommend_button_4 = QtWidgets.QToolButton()
        self.recommend_button_4.setText("随心听")
        self.recommend_button_4.setIcon(QtGui.QIcon('./r4.jpg'))
        self.recommend_button_4.setIconSize(QtCore.QSize(100, 100))
        self.recommend_button_4.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.recommend_button_5 = QtWidgets.QToolButton()
        self.recommend_button_5.setText("经典日漫")
        self.recommend_button_5.setIcon(QtGui.QIcon('./01.jpg'))
        self.recommend_button_5.setIconSize(QtCore.QSize(100, 100))
        self.recommend_button_5.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.right_recommend_layout.addWidget(self.recommend_button_1, 0, 0)
        self.right_recommend_layout.addWidget(self.recommend_button_2, 0, 1)
        self.right_recommend_layout.addWidget(self.recommend_button_3, 0, 2)
        self.right_recommend_layout.addWidget(self.recommend_button_4, 0, 3)
        self.right_recommend_layout.addWidget(self.recommend_button_5, 0, 4)

        self.right_layout.addWidget(self.right_recommend_label, 1, 0, 1, 9)
        self.right_layout.addWidget(self.right_recommend_widget, 2, 0, 2, 9)

        self.right_newsong_lable = QtWidgets.QLabel("最新歌曲")
        self.right_newsong_lable.setObjectName('right_lable')

        self.right_playlist_lable = QtWidgets.QLabel("热门歌单")
        self.right_playlist_lable.setObjectName('right_lable')

        self.right_newsong_widget = QtWidgets.QWidget()  # 最新歌曲部件
        self.right_newsong_layout = QtWidgets.QGridLayout()  # 最新歌曲部件网格布局
        self.right_newsong_widget.setLayout(self.right_newsong_layout)

        self.newsong_button_1 = QtWidgets.QPushButton(
            "Bohemian Rhapsody    Queen           Bohemian Rhapsody         05::54")
        self.newsong_button_2 = QtWidgets.QPushButton(
            "Dance Monkey         Tones and I     The Kids Are Coming       03::29")
        self.newsong_button_3 = QtWidgets.QPushButton(
            "Girls Like You       Maroon 5        Red Pill Blues            03::55")
        self.newsong_button_4 = QtWidgets.QPushButton(
            "Cheap Thrills        Sia             Cheap Thrills             03::31")
        self.newsong_button_5 = QtWidgets.QPushButton(
            "Государственный гимн СССР                                  03::29")
        self.newsong_button_6 = QtWidgets.QPushButton("リブート                ミワ              reboot               04::02")

        self.right_newsong_layout.addWidget(self.newsong_button_1, 0, 1, )
        self.right_newsong_layout.addWidget(self.newsong_button_2, 1, 1, )
        self.right_newsong_layout.addWidget(self.newsong_button_3, 2, 1, )
        self.right_newsong_layout.addWidget(self.newsong_button_4, 3, 1, )
        self.right_newsong_layout.addWidget(self.newsong_button_5, 4, 1, )
        self.right_newsong_layout.addWidget(self.newsong_button_6, 5, 1, )
        self.right_playlist_widget = QtWidgets.QWidget()  # 播放歌单部件
        self.right_playlist_layout = QtWidgets.QGridLayout()  # 播放歌单网格布局
        self.right_playlist_widget.setLayout(self.right_playlist_layout)

        self.playlist_button_1 = QtWidgets.QToolButton()
        self.playlist_button_1.setText("助眠白噪音：调整...")
        self.playlist_button_1.setIcon(QtGui.QIcon('./p1.jpg'))
        self.playlist_button_1.setIconSize(QtCore.QSize(100, 100))
        self.playlist_button_1.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.playlist_button_2 = QtWidgets.QToolButton()
        self.playlist_button_2.setText("当代古典乐：走进...")
        self.playlist_button_2.setIcon(QtGui.QIcon('./p2.jpg'))
        self.playlist_button_2.setIconSize(QtCore.QSize(100, 100))
        self.playlist_button_2.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.playlist_button_3 = QtWidgets.QToolButton()
        self.playlist_button_3.setText("沉静如海 : 被复古...")
        self.playlist_button_3.setIcon(QtGui.QIcon('./p3.jpg'))
        self.playlist_button_3.setIconSize(QtCore.QSize(100, 100))
        self.playlist_button_3.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.playlist_button_4 = QtWidgets.QToolButton()
        self.playlist_button_4.setText("歌慌必备 : 打破感...")
        self.playlist_button_4.setIcon(QtGui.QIcon('./p4.jpg'))
        self.playlist_button_4.setIconSize(QtCore.QSize(100, 100))
        self.playlist_button_4.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)

        self.right_playlist_layout.addWidget(self.playlist_button_1, 0, 0)
        self.right_playlist_layout.addWidget(self.playlist_button_2, 0, 1)
        self.right_playlist_layout.addWidget(self.playlist_button_3, 1, 0)
        self.right_playlist_layout.addWidget(self.playlist_button_4, 1, 1)

        self.right_layout.addWidget(self.right_newsong_lable, 4, 0, 1, 5)
        self.right_layout.addWidget(self.right_playlist_lable, 4, 5, 1, 4)
        self.right_layout.addWidget(self.right_newsong_widget, 5, 0, 1, 5)
        self.right_layout.addWidget(self.right_playlist_widget, 5, 5, 1, 4)

        self.right_process_bar = QtWidgets.QProgressBar()  # 播放进度部件
        self.right_process_bar.setValue(49)
        self.right_process_bar.setFixedHeight(3)  # 设置进度条高度
        self.right_process_bar.setTextVisible(False)  # 不显示进度条文字

        self.right_playconsole_widget = QtWidgets.QWidget()  # 播放控制部件
        self.right_playconsole_layout = QtWidgets.QGridLayout()  # 播放控制部件网格布局层
        self.right_playconsole_widget.setLayout(self.right_playconsole_layout)

        self.console_button_1 = QtWidgets.QPushButton(qtawesome.icon('fa.backward', color='#F76677'), "")
        self.console_button_2 = QtWidgets.QPushButton(qtawesome.icon('fa.forward', color='#F76677'), "")
        self.console_button_3 = QtWidgets.QPushButton(qtawesome.icon('fa.pause', color='#F76677', font=18), "")
        self.console_button_3.setIconSize(QtCore.QSize(30, 30))

        self.right_playconsole_layout.addWidget(self.console_button_1, 0, 0)
        self.right_playconsole_layout.addWidget(self.console_button_2, 0, 2)
        self.right_playconsole_layout.addWidget(self.console_button_3, 0, 1)
        self.right_playconsole_layout.setAlignment(QtCore.Qt.AlignCenter)  # 设置布局内部件居中显示

        self.right_layout.addWidget(self.right_process_bar, 9, 0, 1, 9)
        self.right_layout.addWidget(self.right_playconsole_widget, 10, 0, 1, 9)

        self.left_close.setFixedSize(16, 16)  # 设置关闭按钮的大小
        self.left_visit.setFixedSize(16, 16)  # 设置按钮大小
        self.left_mini.setFixedSize(16, 16)  # 设置最小化按钮大小

        self.left_close.setStyleSheet(
            '''QPushButton{background:#F76677;border-radius:5px;}QPushButton:hover{background:red;}''')
        self.left_visit.setStyleSheet(
            '''QPushButton{background:#F7D674;border-radius:5px;}QPushButton:hover{background:yellow;}''')
        self.left_mini.setStyleSheet(
            '''QPushButton{background:#6DDF6D;border-radius:5px;}QPushButton:hover{background:green;}''')

        self.left_widget.setStyleSheet('''
            QPushButton{border:none;color:white;}
            QPushButton#left_label{
                border:none;
                border-bottom:1px solid white;
                font-size:18px;
                font-weight:700;
                font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            }
            QPushButton#left_button:hover{border-left:4px solid red;font-weight:700;}
            QWidget#left_widget{
            background:gray;
            border-top:1px solid white;
            border-bottom:1px solid white;
            border-left:1px solid white;
            border-top-left-radius:10px;
            border-bottom-left-radius:10px;
        }
        ''')

        self.right_bar_widget_search_input.setStyleSheet(
            '''QLineEdit{
                    border:1px solid gray;
                    width:300px;
                    border-radius:10px;
                    padding:2px 4px;
            }''')

        self.right_widget.setStyleSheet('''
            QWidget#right_widget{
                color:#232C51;
                background:white;
                border-top:1px solid darkGray;
                border-bottom:1px solid darkGray;
                border-right:1px solid darkGray;
                border-top-right-radius:10px;
                border-bottom-right-radius:10px;
            }
            QLabel#right_lable{
                border:none;
                font-size:16px;
                font-weight:700;
                font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            }
        ''')
        self.right_recommend_widget.setStyleSheet(
            '''
                QToolButton{border:none;}
                QToolButton:hover{border-bottom:2px solid #F76677;}
            ''')
        self.right_playlist_widget.setStyleSheet(
            '''
                QToolButton{border:none;}
                QToolButton:hover{border-bottom:2px solid #F76677;}
            ''')
        self.right_newsong_widget.setStyleSheet('''
            QPushButton{
                border:none;
                color:gray;
                font-size:12px;
                height:40px;
                padding-left:5px;
                padding-right:10px;
                text-align:left;
            }
            QPushButton:hover{
                color:black;
                border:1px solid #F3F3F5;
                border-radius:10px;
                background:LightGray;
            }
        ''')
        self.right_process_bar.setStyleSheet('''
            QProgressBar::chunk {
                background-color: #F76677;
            }
        ''')

        self.right_playconsole_widget.setStyleSheet('''
            QPushButton{
                border:none;
            }
        ''')

        self.setWindowOpacity(0.9)  # 设置窗口透明度
        self.setAttribute(QtCore.Qt.WA_TranslucentBackground)  # 设置窗口背景透明
        self.setWindowFlags(QtCore.Qt.FramelessWindowHint)  # 隐藏边框

        self.main_layout.setSpacing(0)

    # 无边框的拖动
    def mouseMoveEvent(self, e: QtGui.QMouseEvent):  # 重写移动事件
        self._endPos = e.pos() - self._startPos
        self.move(self.pos() + self._endPos)

    def mousePressEvent(self, e: QtGui.QMouseEvent):
        if e.button() == QtCore.Qt.LeftButton:
            self._isTracking = True
            self._startPos = QtCore.QPoint(e.x(), e.y())

    def mouseReleaseEvent(self, e: QtGui.QMouseEvent):
        if e.button() == QtCore.Qt.LeftButton:
            self._isTracking = False
            self._startPos = None
            self._endPos = None

    # 关闭按钮动作函数
    def close_window(self):
        self.close()


def main():
    app = QtWidgets.QApplication(sys.argv)
    gui = MainUi()
    gui.show()
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()