• PyQt5-QPrinter控件使用


    例如:(原创引用自 http://www.imooc.com/article/73044  )

      1 from PyQt5.QtGui import QFont,QTextDocument,QTextCursor
      2 from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel, QSizePolicy, QAction,QDialog
      3 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog,QPrintPreviewDialog
      4 import sys
      5 
      6 the_text = """
      7 《描写雪的诗句》赏析
      8 不知庭霰今朝落,疑是林花昨夜开《苑中遇雪》
      9 忽如一夜春风来,千树万树梨花开《白雪歌送武》
     10 白雪却嫌春色晚,故穿庭树作飞花《春雪》
     11 雪似梅花,梅花似雪。似和不似都奇绝《踏莎行》
     12 千峰笋石千株玉,万树松萝万朵银《南秦雪》
     13 六出飞花入户时,坐看青竹变琼枝《对雪》
     14 地白风色寒,雪花大如手《嘲王历阳不肯饮酒》
     15 燕山雪花大如席,片片吹落轩辕台《北风行》
     16 白雪纷纷何所似?撒盐空中差可拟《咏雪联句》
     17 才见岭头云似盖,已惊岩下雪如尘《南秦雪》
     18 """
     19 class MainWindow(QMainWindow):
     20     def __init__(self, parent=None):
     21         super(MainWindow, self).__init__(parent)
     22         self.setWindowTitle("打印功能")
     23 
     24         # 创建文本框
     25         self.label = QLabel()
     26         self.label.setFont(QFont("Roman times",12,QFont.Bold))
     27         self.label.setText(the_text)
     28         self.setCentralWidget(self.label)
     29 
     30 
     31         # 创建菜单栏
     32         self.createMenus()
     33 
     34 
     35 
     36     def createMenus(self):
     37         # 创建动作一
     38         self.printAction1 = QAction(self.tr("打印无预留"), self)
     39         self.printAction1.triggered.connect(self.on_printAction1_triggered)
     40 
     41         # 创建动作二
     42         self.printAction2 = QAction(self.tr("打印有预留"), self)
     43         self.printAction2.triggered.connect(self.on_printAction2_triggered)
     44 
     45         # 创建动作三
     46         self.printAction3 = QAction(self.tr("直接打印"), self)
     47         self.printAction3.triggered.connect(self.on_printAction3_triggered)
     48 
     49         # 创建动作四
     50         self.printAction4 = QAction(self.tr("打印到PDF"), self)
     51         self.printAction4.triggered.connect(self.on_printAction4_triggered)
     52 
     53 
     54         # 创建菜单,添加动作
     55         self.printMenu = self.menuBar().addMenu(self.tr("打印"))
     56         self.printMenu.addAction(self.printAction1)
     57         self.printMenu.addAction(self.printAction2)
     58         self.printMenu.addAction(self.printAction3)
     59         self.printMenu.addAction(self.printAction4)
     60 
     61 
     62 
     63     # 动作一:打印,无预览
     64     def on_printAction1_triggered(self):
     65         printer = QPrinter()
     66         printDialog = QPrintDialog(printer, self)
     67         if printDialog.exec_() == QDialog.Accepted:
     68             self.handlePaintRequest(printer)
     69 
     70 
     71     # 动作二:打印,有预览
     72     def on_printAction2_triggered(self):
     73         dialog = QPrintPreviewDialog()
     74         dialog.paintRequested.connect(self.handlePaintRequest)
     75         dialog.exec_()
     76 
     77 
     78     # 动作三:直接打印
     79     def on_printAction3_triggered(self):
     80         printer = QPrinter()
     81         self.handlePaintRequest(printer)
     82 
     83 
     84     # 动作四:打印到pdf
     85     def on_printAction4_triggered(self):
     86         printer = QPrinter()
     87         printer.setOutputFormat(QPrinter.PdfFormat)
     88         printer.setOutputFileName("D:/pdf打印测试.pdf")
     89         self.handlePaintRequest(printer)
     90 
     91 
     92     ## 打印函数
     93     def handlePaintRequest(self, printer):
     94         document = QTextDocument()
     95         cursor = QTextCursor(document)
     96         cursor.insertText(self.label.text())
     97         document.print(printer)
     98 
     99 
    100 if __name__ == "__main__":
    101     app = QApplication(sys.argv)
    102     main = MainWindow()
    103     main.show()
    104     sys.exit(app.exec_())
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  • 原文地址:https://www.cnblogs.com/ygzhaof/p/10071428.html
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