本文是对《Python Qt GUI快速编程》的第10章的例子剪贴板用Python3+PyQt5进行改写，分别对文本，图片和html文本的复制与粘帖，三种做法大同小异。
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#!/usr/bin/env python3
import os
import sys
from PyQt5.QtCore import (QMimeData, Qt)
from PyQt5.QtWidgets import (QApplication, QDialog, QGridLayout, QLabel,
QPushButton)
from PyQt5.QtGui import QPixmap
class Form(QDialog):
def __init__(self, parent=None):
super(Form, self).__init__(parent)
textCopyButton = QPushButton("&Copy Text")
textPasteButton = QPushButton("Paste &Text")
htmlCopyButton = QPushButton("C&opy HTML")
htmlPasteButton = QPushButton("Paste &HTML")
imageCopyButton = QPushButton("Co&py Image")
imagePasteButton = QPushButton("Paste &Image")
self.textLabel = QLabel("Original text")
self.imageLabel = QLabel()
self.imageLabel.setPixmap(QPixmap(os.path.join(
os.path.dirname(__file__), "images/clock.png")))
layout = QGridLayout()
layout.addWidget(textCopyButton, 0, 0)
layout.addWidget(imageCopyButton, 0, 1)
layout.addWidget(htmlCopyButton, 0, 2)
layout.addWidget(textPasteButton, 1, 0)
layout.addWidget(imagePasteButton, 1, 1)
layout.addWidget(htmlPasteButton, 1, 2)
layout.addWidget(self.textLabel, 2, 0, 1, 2)
layout.addWidget(self.imageLabel, 2, 2)
self.setLayout(layout)
textCopyButton.clicked.connect(self.copyText)
textPasteButton.clicked.connect(self.pasteText)
htmlCopyButton.clicked.connect(self.copyHtml)
htmlPasteButton.clicked.connect(self.pasteHtml)
imageCopyButton.clicked.connect(self.copyImage)
imagePasteButton.clicked.connect(self.pasteImage)
self.setWindowTitle("Clipboard")
def copyText(self):
clipboard = QApplication.clipboard()
clipboard.setText("I've been clipped!")
def pasteText(self):
clipboard = QApplication.clipboard()
self.textLabel.setText(clipboard.text())
def copyImage(self):
clipboard = QApplication.clipboard()
clipboard.setPixmap(QPixmap(os.path.join(
os.path.dirname(__file__), "images/gvim.png")))
def pasteImage(self):
clipboard = QApplication.clipboard()
self.imageLabel.setPixmap(clipboard.pixmap())
def copyHtml(self):
mimeData = QMimeData()
mimeData.setHtml("<b>Bold and <font color=red>Red</font></b>")
clipboard = QApplication.clipboard()
clipboard.setMimeData(mimeData)
def pasteHtml(self):
clipboard = QApplication.clipboard()
mimeData = clipboard.mimeData()
if mimeData.hasHtml():
self.textLabel.setText(mimeData.html())
if __name__ == "__main__":
app = QApplication(sys.argv)
form = Form()
form.show()
app.exec_()
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运行结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://blog.csdn.net/xiaoyangyang20/article/details/54706539