python pyside6图片切换工具

工具效果如下：

导入图片文件夹，点击上一张，下一张切换

ui界面的代码如下
ui_ImageChange.py代码

# -*- coding: utf-8 -*-

################################################################################
## Form generated from reading UI file 'ImageChange.ui'
##
## Created by: Qt User Interface Compiler version 6.6.1
##
## WARNING! All changes made in this file will be lost when recompiling UI file!
################################################################################

from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
    QMetaObject, QObject, QPoint, QRect,
    QSize, QTime, QUrl, Qt)
from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
    QFont, QFontDatabase, QGradient, QIcon,
    QImage, QKeySequence, QLinearGradient, QPainter,
    QPalette, QPixmap, QRadialGradient, QTransform)
from PySide6.QtWidgets import (QApplication, QLabel, QPushButton, QSizePolicy,
    QWidget)

class Ui_Form(object):
    def setupUi(self, Form):
        if not Form.objectName():
            Form.setObjectName(u"Form")
        Form.resize(564, 603)
        self.shiyanlabel = QLabel(Form)
        self.shiyanlabel.setObjectName(u"shiyanlabel")
        self.shiyanlabel.setGeometry(QRect(20, 60, 531, 461))
        self.shiyanlabel.setAlignment(Qt.AlignCenter)
        self.shiyanButton = QPushButton(Form)
        self.shiyanButton.setObjectName(u"shiyanButton")
        self.shiyanButton.setGeometry(QRect(430, 10, 111, 31))
        self.nextButton = QPushButton(Form)
        self.nextButton.setObjectName(u"nextButton")
        self.nextButton.setGeometry(QRect(440, 550, 121, 41))
        self.preButton = QPushButton(Form)
        self.preButton.setObjectName(u"preButton")
        self.preButton.setGeometry(QRect(10, 550, 121, 41))

        self.retranslateUi(Form)

        QMetaObject.connectSlotsByName(Form)
    # setupUi

    def retranslateUi(self, Form):
        Form.setWindowTitle(QCoreApplication.translate("Form", u"Form", None))
        self.shiyanlabel.setText("")
        self.shiyanButton.setText(QCoreApplication.translate("Form", u"\u5bfc\u5165\u56fe\u7247\u6587\u4ef6\u5939", None))
        self.nextButton.setText(QCoreApplication.translate("Form", u"\u4e0b\u4e00\u5f20", None))
        self.preButton.setText(QCoreApplication.translate("Form", u"\u4e0a\u4e00\u5f20", None))
    # retranslateUi

主要逻辑代码

import os
from PySide6.QtWidgets import QApplication, QWidget, QFileDialog, QMessageBox
from PIL import Image,ImageFilter,ImageQt
from PySide6.QtCore import Qt
from ui_ImageChange import Ui_Form

class myWindow(QWidget, Ui_Form):
    def __init__(self):
        super().__init__()

        # 禁用放大
        self.setWindowFlags(Qt.WindowMinimizeButtonHint | Qt.WindowCloseButtonHint)

        self.curr_img = 0
        self.img_list = []
        self.setupUi(self)

        self.bind()


    def bind(self):
        self.shiyanButton.clicked.connect(self.getImg_shiyan)
        self.preButton.clicked.connect(self.pre_img)
        self.nextButton.clicked.connect(self.next_img)


    def getImg_shiyan(self):
        img_path = QFileDialog.getExistingDirectory(None,"选取文件夹","")
        self.img_list = [img_path+'/'+i for i in os.listdir(img_path)]
        img = Image.open(self.img_list[0])
        self.shiyanlabel.setPixmap(ImageQt.toqpixmap(img).scaled(self.shiyanlabel.width(), self.shiyanlabel.height(), aspectMode=Qt.KeepAspectRatio))

    def pre_img(self):
        if self.img_list:
            if self.curr_img !=0:
               self.curr_img -= 1
            img = Image.open(self.img_list[self.curr_img])
            self.shiyanlabel.setPixmap(ImageQt.toqpixmap(img).scaled(self.shiyanlabel.width(), self.shiyanlabel.height(), aspectMode=Qt.KeepAspectRatio))

    def next_img(self):
        if self.img_list:
            if self.curr_img < len(self.img_list)-1:
               self.curr_img += 1
            else:
                QMessageBox.information(self, "提示", "没有下一张了")
            img = Image.open(self.img_list[self.curr_img])
            self.shiyanlabel.setPixmap(ImageQt.toqpixmap(img).scaled(self.shiyanlabel.width(), self.shiyanlabel.height(), aspectMode=Qt.KeepAspectRatio))



if __name__ == '__main__':
    app = QApplication([])
    window = myWindow()
    window.show()
    app.exec()