我们对窗口进行了圆角设计#xff0c;图片的翻页按钮半透明处理#xff0c;当鼠标移动至按钮上的动画效果#xff0c;当选择某一张图片#xff0c;进行左右翻页则轮播同目录所有支持的图片格式。

import

我们对窗口进行了圆角设计图片的翻页按钮半透明处理当鼠标移动至按钮上的动画效果当选择某一张图片进行左右翻页则轮播同目录所有支持的图片格式。

import

__init__(self):super().__init__()self.current_file

Noneself.files

窗口设置self.setWindowTitle(一个黑客创业者)self.setGeometry(100,

100,

深色主题样式self.setStyleSheet(QMainWindow

{background-color:

QWidget()self.setCentralWidget(central_widget)main_layout

QVBoxLayout(central_widget)main_layout.setContentsMargins(0,

QLabel()self.image_label.setObjectName(imageLabel)self.image_label.setAlignment(Qt.AlignCenter)main_layout.addWidget(self.image_label)#

悬浮导航按钮self.create_floating_controls()#

初始化按钮状态self.update_nav_buttons()def

底部控制栏bottom_bar

QWidget()bottom_bar.setFixedHeight(80)bottom_bar.setStyleSheet(background-color:

rgba(26,

QHBoxLayout(bottom_bar)layout.setContentsMargins(40,

40,

self)self.btn_open.setObjectName(openButton)self.btn_open.setIcon(QIcon.fromTheme(document-open))self.btn_open.setIconSize(QSize(20,

20))layout.addStretch()layout.addWidget(self.btn_open)layout.addStretch()self.centralWidget().layout().addWidget(bottom_bar)#

信号连接self.btn_open.clicked.connect(self.open_image)def

create_floating_controls(self):#

左侧导航按钮self.btn_prev

self)self.btn_prev.setObjectName(navButton)self.btn_prev.setFixedSize(60,

60)#

self)self.btn_next.setObjectName(navButton)self.btn_next.setFixedSize(60,

60)#

为每个按钮创建独立的动画对象self.prev_animation

QPropertyAnimation(self.btn_prev,

bpos)self.prev_animation.setEasingCurve(QEasingCurve.OutQuad)self.next_animation

QPropertyAnimation(self.btn_next,

bpos)self.next_animation.setEasingCurve(QEasingCurve.OutQuad)#

信号连接self.btn_prev.clicked.connect(self.prev_image)self.btn_next.clicked.connect(self.next_image)def

resizeEvent(self,

nav_y)self.btn_next.move(self.width()

90,

更新图片显示使用缓存的原始图片self.update_pixmap()super().resizeEvent(event)def

open_image(self):try:file_path,

QFileDialog.getOpenFileName(self,

选择图片,

file_path:self.load_image(file_path)self.update_file_list(file_path)except

Exception

ValueError(不支持的图片格式)self.original_pixmap

pixmap

保存原始图片self.update_pixmap()self.current_file

file_pathexcept

str(e))self.image_label.clear()def

update_pixmap(self):根据当前窗口尺寸更新显示图片if

self.original_pixmap.scaled(self.image_label.size()

QSize(2,

2),Qt.KeepAspectRatio,Qt.SmoothTransformation)self.image_label.setPixmap(scaled)def

os.path.dirname(file_path)self.files

sorted([os.path.normpath(os.path.join(directory,

f))for

FileNotFoundError(f{normed_file_path}

self.files.index(normed_file_path)self.update_nav_buttons()except

Exception

1self.load_image(self.files[self.current_index])self.update_nav_buttons()self.animate_nav_button(self.btn_prev)def

next_image(self):if

1self.load_image(self.files[self.current_index])self.update_nav_buttons()self.animate_nav_button(self.btn_next)def

update_nav_buttons(self):self.btn_prev.setEnabled(self.current_index

0)self.btn_next.setEnabled(self.current_index

len(self.files)

self.next_animationoriginal_pos

button.pos()offset

0)animation.stop()animation.setStartValue(original_pos

offset)animation.setEndValue(original_pos)animation.setDuration(200)animation.start()def

show_error(self,

message):QMessageBox.critical(self,

title,fspan

stylecolor:#fff;font-size:14px;{message}/span,QMessageBox.Ok)if

__name__

ImageViewer()viewer.show()sys.exit(app.exec_())