pyqt 取值

设定值:

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大段文本

self.textEdit.setPlainText(text)

静态label

self.lbl.setText("PyQt4")

设定静态label初始值

self.lbl.setText("hello"+self.singlelineEdit.text())

字体

self.label.setFont(font)

修改颜色

self.label.setStyleSheet("QWidget { background-color: %s }" % color.name())

获取值:

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单行输入框

self.singlelineEdit.text()

单选radiobox,单选按钮本来就没有value的

self.radiobutton.isCheck()

滑动取值spinbox

self.spinbox.value()

获得日期值

thedate=self.calendarWidget.selectedDate()

日期值转化为string

thedatestring=str(thedate.toPyDate())

下拉列表combobox值的初始化

def __init__(self, parent = None):

self.typelist=['first', 'second', 'third']

self.addcommobox()

def addcommobox(self):

for i in self.typelist:

self.typecomboBox.addItem(i)

下拉列表combobox值

self.typecomboBox.currentText()

下拉列表combobox的index

self.typecomboBox.currentIndex()

其他功能:

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打开文件:

def on_openfile_clicked(self):

dlg = PyQt4.QtGui.QFileDialog(self)

self.filename = dlg.getOpenFileName()

from os.path import isfile

if isfile(self.filename):

import codecs

text = codecs.open(self.filename,'r','cp936').read()

self.textEdit.setPlainText(text)