Python调用打印机参考例子-白红宇

参考资料：

http://blog.csdn.net/jdh99/article/details/42585987

http://www.oschina.net/question/1438043_235020

http://blog.163.com/ctcg326%40126/blog/static/758129102012451034427/

http://codego.net/447659/

部分样例：

from PyQt5.QtWidgets import (QApplication, QWidget, QTableWidget,QPushButton,                              QVBoxLayout,                             QTableWidgetItem)from PyQt5.QtGui import  QPixmap, QPainter, QImage, QTextDocumentfrom PyQt5.QtPrintSupport import  QPrinter, QPrintDialog, QPrintPreviewDialogfrom PyQt5.QtCore import QRect, QPoint, QSize ,  Qt# 有预览框 # 908204694@qq.com #def on_htmlButton_clicked():    printer =QPrinter(QPrinter.HighResolution)    #/* 打印预览 */    preview =QPrintPreviewDialog(printer,widget )       preview.paintRequested.connect(printHtml)        #    #   显示 预览框    #    #preview.exec()    preview.exec_()def printHtml(printer):    html = """                55555
bold55555
bold        55555
bold        55555
bold55555
bold        55555
bold        55555
bold        55555
bold        55555
bold        55555
bold        55555
bold        55555
bold55555
bold        55555
bold        55555
bold        55555
bold        55555
bold55555
bold        55555
bold        55555
bold        55555
bold        55555
bold        """    textDocument = QTextDocument()    textDocument.setHtml(html)    #textDocument.print(printer)    textDocument.print_(printer)   def on_picButton_clicked():    printer =QPrinter(QPrinter.HighResolution)#/* 打印预览 */    preview =QPrintPreviewDialog(printer,widget )       """     * QPrintPreviewDialog类提供了一个打印预览对话框，里面功能比较全，     * paintRequested(QPrinter *printer)是系统提供的，     * 当preview.exec()执行时该信号被触发，     * plotPic(QPrinter *printer)是用户自定义的槽函数，图像的绘制就在这个函数里。    """    preview.paintRequested.connect(plotPic)    preview.exec()#/* 等待预览界面退出 */def  plotPic(printer):          painter =QPainter(printer);    image = QPixmap()    image=widget.grab(QRect( QPoint( 0, 0 ),                                             QSize( widget.size().width(),                                                         widget.size().height()                                                    )                                         )                                )# /* 绘制窗口至画布 */   #QRect     rect = painter.viewport();   #QSize     size = image.size();    size.scale(rect.size(), Qt.KeepAspectRatio)#     //此处保证图片显示完整    painter.setViewport(rect.x(), rect.y(),size.width(), size.height());    painter.setWindow(image.rect());    painter.drawPixmap(0,0,image); #/* 数据显示至预览界面 */import sysapp = QApplication(sys.argv)tablewidget = QTableWidget()## 设置列数tablewidget.setColumnCount(4)tablewidget.horizontalHeader().setDefaultSectionSize(150)## QStringList在PyQt5header= ["name", "last modify time","type",  "size"]tablewidget.setHorizontalHeaderLabels(header)tablewidget.insertRow(0)tablewidget.insertRow(0)pItem1 =  QTableWidgetItem("aa" )pItem2 =  QTableWidgetItem("bb" )pItem3 =  QTableWidgetItem("cc" )pItem4 =  QTableWidgetItem("dd" )tablewidget.setItem( 0, 0, pItem1 )tablewidget.setItem( 0, 1, pItem2 )tablewidget.setItem( 0, 2, pItem3 )tablewidget.setItem( 0, 3, pItem4 )tablewidget.setMinimumSize(800, 600)button = QPushButton('打印界面')button.clicked.connect(on_picButton_clicked)button_txt = QPushButton('打印文字')button_txt.clicked.connect(on_htmlButton_clicked)widget = QWidget()layout = QVBoxLayout(widget)layout.addWidget(button)layout.addWidget(button_txt)layout.addWidget(tablewidget)widget.show()sys.exit(app.exec_())

#------------------------- printer.py ----------------------# 908204694@qq.com# 直接打印,不预览# -*- coding: utf-8 -*-from PyQt5.QtCore import *from PyQt5.QtGui import *from PyQt5.QtPrintSupport import QPrinterInfo, QPrinterclass Printer:#打印机列表@staticmethoddef printerList():printer = []printerInfo = QPrinterInfo()print('availablePrinterNames', printerInfo.availablePrinterNames() )print('defaultPrinterName', printerInfo.defaultPrinterName())for item in printerInfo.availablePrinters():printer.append(item.printerName())return printer#打印任务@staticmethoddef printing(printer, context):p = QPrinter()doc = QTextDocument()htmlStr = context print('aaaa', htmlStr)doc.setHtml(htmlStr)doc.setPageSize(QSizeF(p.logicalDpiX()*(80/25.4),p.logicalDpiY()*(297/25.4)))p.setOutputFormat(QPrinter.NativeFormat)doc.print_(p)@staticmethoddef printing_22(printer, context):printerInfo = QPrinterInfo()p = QPrinter()for item in printerInfo.availablePrinters():if printer == item.printerName():p = QPrinter(item)doc = QTextDocument()doc.setHtml(u'%s' % context)doc.setPageSize(QSizeF(p.logicalDpiX()*(80/25.4),p.logicalDpiY()*(297/25.4)))p.setOutputFormat(QPrinter.NativeFormat)doc.print_(p)if __name__ == '__main__':import sysfrom PyQt5.QtWidgets import QApplicationapp = QApplication(sys.argv) ########################################## html = '55555
bold'p = "defaultPrinter" #打印机名称#Printer.printing(p, html)#Printer.printerList()Printer.printing_22(p, html)##################################################### sys.exit(app.exec_())

from PyQt5.QtGui import *from PyQt5.QtCore import *from PyQt5.QtWidgets import QApplicationfrom PyQt5.QtPrintSupport import QPrinter## 将要打印的东西生成pdf## 908204694@qq.coma=QApplication([])document = QTextDocument()html = """Report
     
                             REPORT汉字试试哈        
      
     
     
Sample
""".format('./aa.png', './bb.png')document.setHtml(html)printer = QPrinter()printer.setResolution(96)printer.setPageSize(QPrinter.Letter)printer.setOutputFormat(QPrinter.PdfFormat)printer.setOutputFileName("test.pdf")# 设置纸张的边距printer.setPageMargins(12, 16, 12, 20, QPrinter.Millimeter)document.setPageSize(QSizeF(printer.pageRect().size()))print(document.pageSize(), printer.resolution(), printer.pageRect())document.print_(printer)