PyQT5打印机
1.PyQT5图像2.PyQT5水平垂直布局3.PyQT5之图片左右翻页4.PyQT5之QPushButton和布局5.PyQT5之label6.PyQT5之选择图片7.PyQT5之自定义信号8.PyQT5之窗口9.PyQT5之菜单栏和工具栏10.PyQT5之QComboBox11.PyQT5之Checkbox12.PyQT5之QRadioButton13.PyQT5之单行文本输入到多行显示窗14.PyQT5之网格布局多图片显示15.PyQtGraph绘制折线图16.PyQT5之PyQtGraph实时数据显示17.PyQT5之窗口最大化最小化18.PyQT5之QSS基础/子控件选择器19.PyQT5样式设置20.PyQT5绘图21.PyQT5窗口样式设置22.PyQT5之设置窗口控件风格23.PyQT5之多窗口交互24.PyQT5之override覆盖槽函数25.PyQT5之为槽函数传递参数26.PyQT5信号与槽的连接27.PyQT5信号刷新时间28.PyQT5之信号关闭窗口29.信号与槽N对N30.PyQT5之多个信号31.PyQT5之QTreeView32.PyQT5内嵌html33.PyQT5加载本地web页面34.PyQT5之QWebEngineView35.PyQT5之QThread36.PyQT5之QTimer37.PyQT5之QStackedWidget38.PyQT5之QTreeWidget-QTabWidget39.PyQT5之QTableWidget40.PyQT5之QListWidget41.PyQT5之QListView42.PyQT5之二维表QTableView
43.PyQT5打印机
44.PyQT5之QPainter45.PyQT5之QFontDialog46.PyQT5之QInputDialog47.PyQT5之QMessageBox48.PyQT5之QDialog49.PyQT5之多页面切换50.PyQT5之计数器控件QSpinBox51.PyQT5之滑块控件QSlider52.PyQtGraph绘图参考53.PyQtGraph之多图绘制54.PyQtGraph之柱状图55.PyQt5选择文件控件QFileDialog
import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5 import QtPrintSupport, QtGui
from PyQt5.QtPrintSupport import QPrinter, QPageSetupDialog, QPrintDialog
class PrintDialog(QWidget):
def __init__(self):
super(PrintDialog, self).__init__()
self.printer = QPrinter()
self.initUI()
def initUI(self):
self.setGeometry(300, 300, 500, 400)
self.setWindowTitle("打印对话框")
self.editor = QTextEdit(self)
self.editor.setGeometry(20, 20, 300, 270)
self.openButton = QPushButton("打开文件", self)
self.openButton.move(350, 20)
self.settingsButton = QPushButton("打印设置", self)
self.settingsButton.move(350, 50)
self.printButton = QPushButton("打印文档", self)
self.printButton.move(350, 80)
self.openButton.clicked.connect(self.openFile)
self.settingsButton.clicked.connect(self.showSettingsDialog)
self.printButton.clicked.connect(self.showPrintDialog)
# 打开文件
def openFile(self):
fname = QFileDialog.getOpenFileName(self, "打开文本文件", './')
if fname[0]:
with open(fname[0], 'r', encoding='utf-8', errors='ignore') as f:
self.editor.setText(f.read())
# 显示打印设置对话框
def showSettingsDialog(self):
printDialog = QPageSetupDialog(self.printer, self)
printDialog.exec()
# 显示打印对话框
def showPrintDialog(self):
printdialog = QPrintDialog(self.printer, self)
if QDialog.Accepted == printdialog.exec():
self.editor.print(self.printer)
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = PrintDialog()
demo.show()
sys.exit(app.exec_())
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