QPrintDialog打印对话框
一、学习指导
通过对话框展示一些打印设置是我们最常见的打印方式,QPrintDialog打印对话框在这里就起到这个作用,我们通过QPrintDialog可以对打印控件做出复杂的功能和状态设置。这里主要分为两个部分,一是setdialog设置对话框,二是showdialog展示对话框。
二、代码演示
from PyQt5.Qt import * import sys class Window(QWidget): def __init__(self): super().__init__() self.setWindowTitle("QPrintDialog打印对话框 - PyQt5中文网") self.resize(600, 500) self.func_list() def func_list(self): self.func() def func(self): self.printer = QPrinter() self.editor = QTextEdit(self) self.editor.move(150, 30) self.editor.resize(400, 450) self.btn1 = QPushButton('打开文件', self) self.btn2 = QPushButton('打印设置', self) self.btn3 = QPushButton('开始打印', self) self.btn1.move(30, 30) self.btn2.move(30, 60) self.btn3.move(30, 90) self.btn1.clicked.connect(self.openfile) self.btn2.clicked.connect(self.setdialog) self.btn3.clicked.connect(self.showdialog) def openfile(self): filename = QFileDialog.getOpenFileName(self, '打开文件', './') if filename[0]: with open(filename[0], 'r', encoding='utf-8', errors='ignore') as f: self.editor.setText(f.read()) def setdialog(self): pdialog = QPageSetupDialog(self.printer, self) # 把打印机放入页面设置对话框 pdialog.exec() def showdialog(self): printd = QPrintDialog(self.printer, self) # 把打印机放入打印对话框 if QDialog.Accepted == printd.exec(): # 如果对话框选择打印继续执行 self.editor.print(self.printer) if __name__ == '__main__': app = QApplication(sys.argv) window = Window() window.show() sys.exit(app.exec_())