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test.py
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test.py
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"""
Created on 2013-7-2
@author: badboy
Email:lucky.haiyu@gmail.com
QQ:43831266
"""
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
class clockForm(QWidget):
def __init__(self, parent=None):
super(clockForm, self).__init__(parent)
self.setWindowTitle("Clock")
self.timer = QTimer()
# 设置窗口计时器
self.timer.timeout.connect(self.update)
self.timer.start(1000)
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# 设置表盘中的文字字体
font = QFont("Times", 6)
fm = QFontMetrics(font)
fontRect = fm.boundingRect("99") # 获取绘制字体的矩形范围
# 分针坐标点
minPoints = [QPointF(50, 25),
QPointF(48, 50),
QPointF(52, 50)]
# 时钟坐标点
hourPoints = [QPointF(50, 35),
QPointF(48, 50),
QPointF(52, 50)]
side = min(self.width(), self.height())
painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2,
side, side) # 始终处于窗口中心位置显示
# 设置QPainter的坐标系统,无论窗体大小如何变化,
# 窗体左上坐标为(0,0),右下坐标为(100,100),
# 因此窗体中心坐标为(50,50)
painter.setWindow(0, 0, 100, 100)
# 绘制表盘,使用环形渐变色
niceBlue = QColor(150, 150, 200)
haloGrident = QRadialGradient(50, 50, 50, 50, 50)
haloGrident.setColorAt(0.0, Qt.lightGray)
haloGrident.setColorAt(0.5, Qt.darkGray)
haloGrident.setColorAt(0.9, Qt.white)
haloGrident.setColorAt(1.0, niceBlue)
painter.setBrush(haloGrident)
painter.setPen(QPen(Qt.darkGray, 1))
painter.drawEllipse(0, 0, 100, 100)
transform = QTransform()
# 绘制时钟为0的字,以及刻度
painter.setPen(QPen(Qt.black, 1.5))
fontRect.moveCenter(QPoint(50, 10 + fontRect.height() / 2))
painter.setFont(font)
painter.drawLine(50, 2, 50, 8) #
painter.drawText(QRectF(fontRect), Qt.AlignHCenter | Qt.AlignTop, "0")
for i in range(1, 12):
transform.translate(50, 50)
transform.rotate(30)
transform.translate(-50, -50)
painter.setWorldTransform(transform)
painter.drawLine(50, 2, 50, 8)
painter.drawText(QRectF(fontRect), Qt.AlignHCenter | Qt.AlignTop, "%d" % i)
transform.reset()
# 绘制分钟刻度线
painter.setPen(QPen(Qt.blue, 1))
for i in range(1, 60):
transform.translate(50, 50)
transform.rotate(6)
transform.translate(-50, -50)
if i % 5 != 0:
painter.setWorldTransform(transform)
painter.drawLine(50, 2, 50, 5)
transform.reset()
# 获取当前时间
currentTime = QTime().currentTime()
hour = currentTime.hour() if currentTime.hour() < 12 else currentTime.hour() - 12
minite = currentTime.minute()
second = currentTime.second()
# 获取所需旋转角度
hour_angle = hour * 30.0 + (minite / 60.0) * 30.0
minite_angle = (minite / 60.0) * 360.0
second_angle = second * 6.0
# 时针
transform.translate(50, 50)
transform.rotate(hour_angle)
transform.translate(-50, -50)
painter.setWorldTransform(transform)
painter.setPen(Qt.NoPen)
painter.setBrush(QBrush(Qt.darkRed))
painter.drawPolygon(QPolygonF(hourPoints))
transform.reset()
# 分针
transform.translate(50, 50)
transform.rotate(minite_angle)
transform.translate(-50, -50)
painter.setWorldTransform(transform)
painter.setBrush(QBrush(Qt.darkGreen))
painter.drawPolygon(QPolygonF(minPoints))
transform.reset()
# 秒针
transform.translate(50, 50)
transform.rotate(second_angle)
transform.translate(-50, -50)
painter.setWorldTransform(transform)
painter.setPen(QPen(Qt.darkCyan, 1))
painter.drawLine(50, 50, 50, 20)
import sys
import pandas as pd
from PyQt5.QtWidgets import QApplication, QTableView
from PyQt5.QtCore import QAbstractTableModel, Qt
df = pd.DataFrame({'a': ['Mary', 'Jim', 'John'],
'b': [100, 200, 300],
'c': ['a', 'b', 'c']})
class pandasModel(QAbstractTableModel):
def __init__(self, data):
QAbstractTableModel.__init__(self)
self._data = data
def rowCount(self, parent=None):
return self._data.shape[0]
def columnCount(self, parnet=None):
return self._data.shape[1]
def data(self, index, role=Qt.DisplayRole):
if index.isValid():
if role == Qt.DisplayRole:
return str(self._data.iloc[index.row(), index.column()])
return None
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return self._data.columns[col]
return None
if __name__ == '__main__':
app = QApplication(sys.argv)
model = pandasModel(df)
view = QTableView()
view.setModel(model)
view.resize(800, 600)
df = df.append(pd.Series([2.3,596,99],name="d"))
model = pandasModel(df)
view = QTableView()
view.setModel(model)
view.show()
sys.exit(app.exec_())