PyQt5(一百零九)绘图API: 绘制表格到打印机打印预览的案例QPainter QPrintPreviewDialog

朴灿烈づ我的快乐病毒、 2024-03-26 16:01 4阅读 0赞

### 绘图API: 绘制表格到打印机打印预览的案例 ###

> 绘图API: 绘制表格到打印机打印预览的案例  
> 1.文本  
> 2.各种图形(直线,点,椭圆,弧形,扇形,多边形)  
> 3.图像  
> QPainter  
> painter = QPainter()  
> painter.begin()  
> painter.drawText()  
> painter.end()  
> 4.打印预览  
> 5.设置打印机参数,纵向横向,纸张大小等  
> 必须在paintEvent事件方法中重载,绘制各种元素

#### 案例图片 ####

![图片案例][a9fc3b8f73014cc791088e99bb4a40ba.png]

### 打印预览窗口案例图片 ###

![打印预览][87343eed1d404eceb8ead37ec0d0215f.png]

#### 代码 ####

import sys
    from PyQt5.QtCore import Qt, QRegExp, QDir, QRect, QPoint, QDateTime
    from PyQt5.QtGui import QIcon, QFont, QPalette, QPixmap, QIntValidator, QDoubleValidator, QRegExpValidator, QPainter, \
        QColor
    from PyQt5.QtPrintSupport import QPrinter, QPrintPreviewDialog
    from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QToolTip, QHBoxLayout, QMainWindow, QLabel, QVBoxLayout, \
        QDialog, QLineEdit, QGridLayout, QFormLayout, QTextEdit, QRadioButton, QCheckBox, QSlider, QSpinBox, QMessageBox, \
        QInputDialog, QFontDialog, QColorDialog, QFileDialog
    
    '''
    绘图API: 绘制表格到打印机打印预览的案例
    1.文本
    2.各种图形(直线,点,椭圆,弧形,扇形,多边形)
    3.图像
    QPainter
    painter = QPainter()
    painter.begin()
    painter.drawText()
    painter.end()
    4.打印预览
    5.设置打印机参数,纵向横向,纸张大小等
    必须在paintEvent事件方法中重载,绘制各种元素
    '''
    
    
    class drawDemo(QWidget):
        def __init__(self):
            super().__init__()
            self.initUI()
    
        def initUI(self):
            try:
                # 设置定位和左上角坐标
                self.setGeometry(300, 100, 900, 800)
                # 设置窗口标题
                self.setWindowTitle('在窗口上绘制表格 打印预览表 的演示')
                # 设置窗口图标
                # self.setWindowIcon(QIcon('../web.ico'))
                btn = QPushButton

[a9fc3b8f73014cc791088e99bb4a40ba.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/b308428d248b431b9a033162587d48d2.png
[87343eed1d404eceb8ead37ec0d0215f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/82d6a1a6f86f44fb9db9d0436dd50ee3.png