在PyQt5中也是可以使用剪切板的, 其实就是只要实例化有一个剪切板对象,往里面存入或者提取想要的内容, 即可.

代码示范

闲话不多说, 上代码. 

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"""
剪切板的使用, 当然你也可以自己去复制, 然后使用这里的粘贴按钮
"""
import sys,math
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *

class CopyPasterDemo(QWidget):
    def __init__(self):
        super().__init__()
        self.setUi()

    def setUi(self):
        self.setWindowTitle("copy paster 的使用")
        self.resize(900, 900)
        layout = QFormLayout()
        line_edit = QLineEdit()
        line_edit.setPlaceholderText("what are you doing?")
        line_display = QLineEdit()
        layout.addRow(line_edit)
        layout.addRow(line_display)
        html_edit = QTextEdit()
        html_edit.setPlaceholderText("html for you want?")
        html_display_edit = QTextEdit()
        layout.addRow(html_edit, html_display_edit)
        lable_img_you_choose = QLabel()
        lable_img_you_choose.setPixmap(QPixmap("../images/boy.png"))
        lable_img_paste = QLabel()
        layout.addRow(lable_img_you_choose, lable_img_paste)
        button_copy_text = QPushButton("复制文本")
        button_copy_text.clicked.connect(lambda :self.copy_text("hello"))
        button_paste_text = QPushButton("黏贴文本")
        button_paste_text.clicked.connect(lambda : self.paste_text(line_display))
        layout.addRow(button_copy_text, button_paste_text)
        button_copy_html = QPushButton("复制html")
        button_copy_html.clicked.connect(lambda : self.copy_html('<b>Bold and <font color=red>Red</font></b>'))
        button_paste_html = QPushButton("粘贴html")
        button_paste_html.clicked.connect(lambda : self.paste_html(html_display_edit))
        layout.addRow(button_copy_html, button_paste_html)
        button_copy_picture = QPushButton("复制picture")
        button_copy_picture.clicked.connect(lambda : self.copy_img("../images/boy.png"))
        button_paste_picture = QPushButton("粘贴picture")
        button_paste_picture.clicked.connect(lambda : self.paste_img(lable_img_paste))
        layout.addRow(button_copy_picture, button_paste_picture)
        self.setLayout(layout)

    def copy_text(self, text):
        # 创建一个剪切板对象
        clipboard = QApplication.clipboard()
        clipboard.setText(text)

    def paste_text(self, obj):
        clipboard = QApplication.clipboard()
        # 把剪切板的内容赋值给指定的对象
        obj.setText(clipboard.text())

    def copy_html(self, html):
        # 创建一个数据结构对象
        mimeData = QMimeData()
        mimeData.setHtml(html)
        clipboard = QApplication.clipboard()
        clipboard.setMimeData(mimeData)

    def paste_html(self, obj):
        clipboard = QApplication.clipboard()
        mimeData = clipboard.mimeData()
        if mimeData.hasHtml():
            obj.setText(mimeData.html())

    def copy_img(self, img_path):
        clipboard = QApplication.clipboard()
        clipboard.setPixmap(QPixmap(img_path))

    def paste_img(self, obj):
        clipboard = QApplication.clipboard()
        # 把剪切板里的图片放到指定的容器中
        obj.setPixmap(QPixmap(clipboard.pixmap()))


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = CopyPasterDemo()
    window.show()
    app.exit(app.exec_())