Python调用打印机参考例子

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, QTextDocument

from PyQt5.QtPrintSupport import  QPrinter, QPrintDialog, QPrintPreviewDialog

from 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 = """<html>

    <head></head>

    <body>

        <h1>55555</h1><b>bold</b><h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b><h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b><h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b><h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

        <h1>55555</h1><b>bold</b>

    </body>

    </html>"""

    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 sys

app = QApplication(sys.argv)

tablewidget = QTableWidget()

## 设置列数

tablewidget.setColumnCount(4)

tablewidget.horizontalHeader().setDefaultSectionSize(150)

## QStringList在PyQt5

header= ["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, QPrinter

class Printer:

#打印机列表

@staticmethod

def 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

@staticmethod

def 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)

@staticmethod

def 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 sys

from PyQt5.QtWidgets import QApplication

app = QApplication(sys.argv)

##########################################

html = '<html><head></head><body><h1>55555</h1><b>bold</b></body></html>'

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 QApplication

from PyQt5.QtPrintSupport import QPrinter

#

# 将要打印的东西生成pdf

#

# 908204694@qq.com

a=QApplication([])

document = QTextDocument()

html = """

<head>

<title>Report</title>

<style>

</style>

</head>

<body>

<table width="100%">

<tr>

<td><img src="{}" width="30"></td>

<td><h1>REPORT汉字试试哈</h1></td>

</tr>

</table>

<hr>

<p align=right><img src="{}" width="300"></p>

<p align=right>Sample</p>

</body>

""".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)

巴特西

Python调用打印机参考例子

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