Python实现一个小小的图片播放器，就是这么简单！

python实现图片播放器

零、小序
一、图片播放器介绍
- 1、功能介绍
- 2、用到的技术
- 3、图片播放效果
二、主要代码
- 1、Python代码
- 2、代码下载地址

零、小序

Python是一个语法简单的语言，Python的框架却没有那么简单，真想学好Python来做项目并不是一件简单的事情，这里在windows下用PyCharm开发，使用PyQt5来实现了一个小小的图片播放器。

一、图片播放器介绍

1、功能介绍

使用PyQt5这个强大的库来实现界面和图片浏览功能，界面使用QtDesigner来设计并通过PyUIC把Qt设计师绘制的界面转化为Python代码，界面布局主要有QMainWindow和QLabel这另两个空间来实现。该工具支持单张图片的打开和打开文件夹两种功能，图片显示使用QLabel+QPixmap来显示，界面的周边使用QLabel增加了一些动态文字的显示功能。

2、用到的技术

主要使用到PyQt5的信号和槽处理机制、QTimer定时器的使用、Qt设计师的使用、QLabel的使用、QPixmap的使用、QFileDialog打开文件和文件夹的使用等技术，详细使用情况请看代码。Qt设计师的使用可以参考我之前写的一篇文章：https://blog.csdn.net/toby54king/article/details/101383374

3、图片播放效果

下图是操作和效果，为了减小动态图占用空间，录制的动态图做了一些减帧处理，效果看着可能有些不是很好。

二、主要代码

1、Python代码

# -*- coding: utf-8 -*-# Form implementation generated from reading ui file 'ScanPicture.ui'
#
# Created by: PyQt5 UI code generator 5.13.1
#
# WARNING! All changes made in this file will be lost!from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import QTimerimport sys,osclass Ui_MainWindow(object):def __init__(self):# 存储图片vectorself.vector = []self.posTop = 0self.posBottom = 0self.posLeft = 0self.posRight = 0self.index = 0def setupUi(self, MainWindow):MainWindow.setObjectName("MainWindow")MainWindow.resize(891, 685)font = QtGui.QFont()font.setPointSize(9)MainWindow.setFont(font)self.centralwidget = QtWidgets.QWidget(MainWindow)font = QtGui.QFont()font.setPointSize(15)font.setBold(False)font.setWeight(50)self.centralwidget.setFont(font)self.centralwidget.setObjectName("centralwidget")self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)self.gridLayout.setContentsMargins(0, 0, 0, 0)self.gridLayout.setSpacing(0)self.gridLayout.setObjectName("gridLayout")self.horizontalLayout = QtWidgets.QHBoxLayout()self.horizontalLayout.setSpacing(0)self.horizontalLayout.setObjectName("horizontalLayout")self.labelLeft = QtWidgets.QLabel(self.centralwidget)self.labelLeft.setMinimumSize(QtCore.QSize(25, 0))self.labelLeft.setMaximumSize(QtCore.QSize(25, 16777215))self.labelLeft.setStyleSheet("background-color: rgb(255, 170, 127);")self.labelLeft.setObjectName("labelLeft")self.horizontalLayout.addWidget(self.labelLeft)self.verticalLayout = QtWidgets.QVBoxLayout()self.verticalLayout.setSpacing(0)self.verticalLayout.setObjectName("verticalLayout")self.labelTop = QtWidgets.QLabel(self.centralwidget)self.labelTop.setMinimumSize(QtCore.QSize(0, 25))self.labelTop.setMaximumSize(QtCore.QSize(16777215, 25))self.labelTop.setStyleSheet("background-color: rgb(255, 255, 127);")self.labelTop.setObjectName("labelTop")self.verticalLayout.addWidget(self.labelTop)self.label = QtWidgets.QLabel(self.centralwidget)self.label.setStyleSheet("background-color: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0 rgba(255, 255, 255, 255), stop:0.1 rgba(255, 255, 255, 255), stop:0.2 rgba(255, 176, 176, 167), stop:0.3 rgba(255, 151, 151, 92), stop:0.4 rgba(255, 125, 125, 51), stop:0.5 rgba(255, 76, 76, 205), stop:0.52 rgba(255, 76, 76, 205), stop:0.6 rgba(255, 180, 180, 84), stop:1 rgba(255, 255, 255, 0));")self.label.setAlignment(QtCore.Qt.AlignCenter)self.label.setObjectName("label")self.verticalLayout.addWidget(self.label)self.labelBottom = QtWidgets.QLabel(self.centralwidget)self.labelBottom.setMinimumSize(QtCore.QSize(0, 25))self.labelBottom.setMaximumSize(QtCore.QSize(16777215, 25))self.labelBottom.setStyleSheet("background-color: rgb(255, 255, 127);")self.labelBottom.setObjectName("labelBottom")self.verticalLayout.addWidget(self.labelBottom)self.horizontalLayout.addLayout(self.verticalLayout)self.labelRight = QtWidgets.QLabel(self.centralwidget)self.labelRight.setEnabled(True)self.labelRight.setMinimumSize(QtCore.QSize(25, 0))self.labelRight.setMaximumSize(QtCore.QSize(25, 16777215))self.labelRight.setStyleSheet("background-color: rgb(255, 170, 127);")self.labelRight.setScaledContents(False)self.labelRight.setObjectName("labelRight")self.horizontalLayout.addWidget(self.labelRight)self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 1)MainWindow.setCentralWidget(self.centralwidget)self.menubar = QtWidgets.QMenuBar(MainWindow)self.menubar.setGeometry(QtCore.QRect(0, 0, 891, 23))self.menubar.setObjectName("menubar")self.menu = QtWidgets.QMenu(self.menubar)self.menu.setObjectName("menu")MainWindow.setMenuBar(self.menubar)self.actionOpenFile = QtWidgets.QAction(MainWindow)self.actionOpenFile.setObjectName("actionOpenFile")self.actionOpenDir = QtWidgets.QAction(MainWindow)self.actionOpenDir.setObjectName("actionOpenDir")self.menu.addAction(self.actionOpenFile)self.menu.addAction(self.actionOpenDir)self.menubar.addAction(self.menu.menuAction())self.retranslateUi(MainWindow)QtCore.QMetaObject.connectSlotsByName(MainWindow)# 初始化信息self.initInfo()#添加信号和槽连接self.actionOpenDir.triggered.connect(self.openPicDir)self.actionOpenFile.triggered.connect(self.openPicFile)self.timerPicture = QTimer()self.timerText = QTimer()self.timerPicture.timeout.connect(self.timerShowPic)self.timerText.timeout.connect(self.timerShowText)self.timerPicture.start(1000)self.timerText.start(500)def retranslateUi(self, MainWindow):_translate = QtCore.QCoreApplication.translateMainWindow.setWindowTitle(_translate("MainWindow", "ScanPicture"))self.labelLeft.setText(_translate("MainWindow", "LeftLabe"))self.labelTop.setText(_translate("MainWindow", "Top"))self.label.setText(_translate("MainWindow", "Love"))self.labelBottom.setText(_translate("MainWindow", "Botton Label"))self.labelRight.setText(_translate("MainWindow", "RightLabel"))self.menu.setTitle(_translate("MainWindow", "File"))self.actionOpenFile.setText(_translate("MainWindow", "OpenFile"))self.actionOpenDir.setText(_translate("MainWindow", "OpenDir"))#初始化界面信息def initInfo(self):self.labelLeftText = "爱她就把你的工资交给她,爱她就把你的工资交给她"self.labelRightText = "爱她房产证上就写她的名,爱她房产证上就写她的名"self.labelTopText = "爱人生，爱微笑，一个爱分享的程序猿！欢迎关注！"self.labelBottomText = "xx月xx日即腊月xx是xx女士与xx先生的婚礼欢迎您的参加"# 打开图片目录def openPicDir(self):self.timerPicture.start()dirPic = QFileDialog.getExistingDirectory(None,"OpenDir",".")#print("dirPic:%s"%dirPic)for dir,subdir,files in os.walk(dirPic):#print("files:%s"%files)for file in files:#print("file:%s"%file)splitStr = os.path.splitext(file)[1]#print("splitStr:%s"%splitStr)if splitStr == '.jpg':picPath = os.path.join(dirPic,file)#print("picPath:%s"%picPath)self.vector.append(picPath)# 打开图片文件def openPicFile(self):self.timerPicture.stop() # 当需要单独查看图片时，需要关闭正在循环播放的图片self.vector.clear()filePic = QFileDialog.getOpenFileName(None,"openFile",".","*.jpg *.png *.gif")print("openPicFile--------------")print("filePic:%s"%filePic[0])if len(filePic[0])>0:self.label.setPixmap(QPixmap(filePic[0]))# 循环定时播放文件夹中的图片def timerShowPic(self):print("index=%s"%self.index)#当文件夹中的图片浏览完后从头再次开始播放if self.index == len(self.vector):self.index = 0if len(self.vector) > 0:print("vector_len=%s" %len(self.vector))self.image = QImage(self.vector[self.index])#设置图片缩放保持原来的比例self.scalePic = self.image.scaled(self.label.width(),self.label.height(),Qt.KeepAspectRatio,Qt.SmoothTransformation)self.label.setPixmap(QPixmap(self.scalePic))self.index += 1# 显示文字def timerShowText(self):#当文字加载完后，重置从头加载if self.posTop > len(self.labelTopText):self.posTop = 0if self.posBottom > len(self.labelBottomText):self.posBottom = 0if self.posLeft > len(self.labelLeftText):self.posLeft = 0if self.posRight > len(self.labelRightText):self.posRight = 0self.labelTop.setText(self.labelTopText[0:self.posTop])self.labelBottom.setText(self.labelBottomText[0:self.posBottom])self.labelLeft.setText(self.labelLeftText[0:self.posLeft])self.labelLeft.setWordWrap(True)self.labelRight.setText(self.labelRightText[0:self.posRight])self.labelRight.setWordWrap(True)self.posTop += 1self.posBottom += 1self.posLeft += 1self.posRight += 1if __name__ == "__main__":app = QApplication(sys.argv)MainWindow = QMainWindow()ui = Ui_MainWindow()ui.setupUi(MainWindow)MainWindow.show()sys.exit(app.exec_())

2、代码下载地址

为了方便界面设计，使用了Qt设计师，生成的有UI文件，这里没法粘贴，这个工程的代码下载地址在这里：https://download.csdn.net/download/toby54king/12281508

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