概述
这是包含对话框的类：
from PyQt4.QtCore import pyqtSlot
from PyQt4.QtGui import QDialog,QLineEdit
from ui_grz import Ui_Dialog
class grzDialog(QDialog):
def __init__(self):
QDialog.__init__(self)
# Set up the user interface from Designer.
self.ui = Ui_Dialog()
self.ui.setupUi(self)在使用QT Designer和命令pyuic4创建GUI之后,这是一个包含GUI结构的类：
from PyQt4 import QtCore,QtGui
try:
_fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
_fromUtf8 = lambda s: s
class Ui_Dialog(object):
def setupUi(self,Dialog):
Dialog.setObjectName(_fromUtf8("Dialog"))
Dialog.resize(387,153)
self.buttonBox = QtGui.QDialogButtonBox(Dialog)
self.buttonBox.setGeometry(QtCore.QRect(30,110,341,32))
self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Ok)
self.buttonBox.setObjectName(_fromUtf8("buttonBox"))
self.label = QtGui.QLabel(Dialog)
self.label.setGeometry(QtCore.QRect(10,10,361,51))
self.label.setObjectName(_fromUtf8("label"))
self.lineEdit = QtGui.QLineEdit(Dialog)
self.lineEdit.setGeometry(QtCore.QRect(10,60,351,31))
self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
self.retranslateUi(Dialog)
QtCore.QObject.connect(self.buttonBox,QtCore.SIGNAL(_fromUtf8("accepted()")),Dialog.accept)
QtCore.QObject.connect(self.buttonBox,QtCore.SIGNAL(_fromUtf8("rejected()")),Dialog.reject)
QtCore.QMetaObject.connectSlotsByName(Dialog)
def retranslateUi(self,Dialog):
Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog","GRZ Analyse",None,QtGui.QApplication.UnicodeUTF8))
self.label.setText(QtGui.QApplication.translate("Dialog","<html><head/><body><p><span style=\" font-weight:600;\">Bitte geben Sie hier den Schwellenwert für die GRZ-Analyse ein:</span></p><p>Bitte achten Sie auf eine korrekte Schreibweise (bspw. 2.5):</p></body></html>",QtGui.QApplication.UnicodeUTF8))在这个课程中我需要变量：
# Import the PyQt and QGIS libraries
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
# Import the code for the dialog
from ubgrzdialog import grzDialog
class quickAnalysis:
def __init__(self,iface):
# Save reference to the QGIS interface
self.iface = iface
def grzAnalysis(self):
dlg = grzDialog()
dlg.show()
result = dlg.exec_()
if result == 1:
text = dlg.text()
QMessageBox.information(self.iface.mainWindow(),"test","%s" %(text),QMessageBox.Ok)这只是该类的一小部分,但这是我有问题如何从LineEdit小部件中读取文本的部分.
你有什么想法或建议吗？
如果这是一个双重帖子,感谢和抱歉,但我找不到适合我的问题的答案.
text = dlg.ui.lineEdit.text()
请注意,它是一个QString,而不是常规字符串,但是当您使用“％s”％文本格式化它时,这不应该是一个问题.
总结
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