问题描述
import sys
import platform
from PySide2 import QtCore,QtGui,QtWidgets
from PySide2.QtCore import (QCoreApplication,QPropertyAnimation,QDate,QDateTime,QMetaObject,QPoint,QRect,QSize,QTime,QUrl,QEvent)
from PySide2.QtGui import (QBrush,QColor,QConicalGradient,QCursor,QFont,QFontDatabase,QIcon,QKeySequence,QLinearGradient,QPainter,QPixmap,QRadialGradient)
from PySide2.QtWidgets import *
from PySide2.QtCore import QFileInfo
from PySide2.QtPrintSupport import QPrinter
from ui_interface import Ui_MainWindow
class MainWindow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.ui.start_btn.clicked.connect(lambda: self.ui.textEdit.setText("Hello World"))
self.ui.printbutton.clicked.connect(lambda: self.SavetoPDF())
self.show()
def SavetoPDF(self):
filename = QFileDialog.getSaveFileName(self,'Save to PDF',None,'PDF files(.pdf);; All Files')
if filename != "":
if QFileInfo(filename).suffix() == "": filename += '.pdf'
printer = QPrinter(QPrinter.HighResolution)
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName(filename)
print(self.ui.textEdit.document())
if __name__ == '__main__':
app = QApplication(sys.argv)`
window = MainWindow()
sys.exit(app.exec_())
解决方法
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