[英]Copy strings from multiple lineEdit slots as variable to one textEdit slot in PyQt4
为了更加清晰明了,这里是如何工作的。
在python中,要创建变量,只需使用
var1 = raw_input('your name?')
这样在使用时
print 'your name is ' +var1
它将打印存储在var1中的字符串。
问题是如何使用Pyqt4做到这一点? 我有3个lineEdit象征着姓名,年龄和性别,还有一个textEdit可以将lineEdit中的字符串打印到此textEdit中。 就像制作电话簿一样。 可能吗? 代码看起来如何? 我很想知道答案..
在这里,我提供一些资料来使事情变得更清楚。
这是ui:
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'phonebook.ui'
#
# Created: Sat Oct 2 15:18:52 2010
# by: PyQt4 UI code generator 4.7.2
#
# WARNING! All changes made in this file will be lost!
from PyQt4 import QtCore, QtGui
class Ui_phonebook(object):
def setupUi(self, phonebook):
phonebook.setObjectName("phonebook")
phonebook.resize(240, 300)
phonebook.setMinimumSize(QtCore.QSize(240, 300))
phonebook.setMaximumSize(QtCore.QSize(240, 300))
self.label = QtGui.QLabel(phonebook)
self.label.setGeometry(QtCore.QRect(20, 30, 57, 14))
self.label.setObjectName("label")
self.label_2 = QtGui.QLabel(phonebook)
self.label_2.setGeometry(QtCore.QRect(20, 60, 57, 14))
self.label_2.setObjectName("label_2")
self.lineEdit = QtGui.QLineEdit(phonebook)
self.lineEdit.setGeometry(QtCore.QRect(110, 30, 113, 20))
self.lineEdit.setObjectName("lineEdit")
self.lineEdit_2 = QtGui.QLineEdit(phonebook)
self.lineEdit_2.setGeometry(QtCore.QRect(110, 60, 113, 20))
self.lineEdit_2.setObjectName("lineEdit_2")
self.textEdit = QtGui.QTextEdit(phonebook)
self.textEdit.setGeometry(QtCore.QRect(20, 142, 201, 141))
self.textEdit.setObjectName("textEdit")
self.pushButton = QtGui.QPushButton(phonebook)
self.pushButton.setGeometry(QtCore.QRect(70, 100, 89, 23))
self.pushButton.setObjectName("pushButton")
self.retranslateUi(phonebook)
QtCore.QMetaObject.connectSlotsByName(phonebook)
def retranslateUi(self, phonebook):
phonebook.setWindowTitle(QtGui.QApplication.translate("phonebook", "Simple Phonebook", None, QtGui.QApplication.UnicodeUTF8))
self.label.setText(QtGui.QApplication.translate("phonebook", "Name:", None, QtGui.QApplication.UnicodeUTF8))
self.label_2.setText(QtGui.QApplication.translate("phonebook", "E-mail:", None, QtGui.QApplication.UnicodeUTF8))
self.lineEdit.setText(QtGui.QApplication.translate("phonebook", "lineEdit", None, QtGui.QApplication.UnicodeUTF8))
self.lineEdit_2.setText(QtGui.QApplication.translate("phonebook", "lineEdit_2", None, QtGui.QApplication.UnicodeUTF8))
self.pushButton.setText(QtGui.QApplication.translate("phonebook", "Preview", None, QtGui.QApplication.UnicodeUTF8))
这是主要来源:
#! /usr/bin/env python
import sys
from PyQt4 import QtCore, QtGui
from phonebook import Ui_phonebook
class Main(QtGui.QDialog):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_phonebook()
self.ui.setupUi(self)
self.center()
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL('clicked()'), self.preview)
def preview(self):
lineEdit = '"content inside lineEdit"'
lineEdit_2 = '"content inside lineEdit_2"'
self.ui.textEdit.setText('Name: ' +lineEdit +'\n\nEmail: ' +lineEdit_2)
def center(self):
screen = QtGui.QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
main = Main()
main.show()
sys.exit(app.exec_())
在Qt(和PyQt)中单击按钮时,它会发出一个信号 。 您可以将此信号连接到任何插槽(在PyQt中可以使用任何Python方法),然后在该插槽中做任何您想做的事情-例如查看3个框中的文本并打印一些内容。
例如,假设您使用以下按钮创建了一个按钮:
self.start_button = QPushButton("&Start")
连接其clicked
信号:
self.connect(self.start_button, SIGNAL('clicked()'), self.on_start)
转到类的on_start
方法。 在此方法中,调用其他窗口小部件的相关方法以执行所需的任何操作。
我解决了这个奥秘..好吧,我只需要插入text()!
def preview(self):
lineEdit = self.ui.lineEdit.text()
lineEdit_2 = self.ui.lineEdit_2.text()
self.ui.textEdit.setText('Name: ' +lineEdit +'\n\nEmail: ' +lineEdit_2)
是的..那应该使我的梦想成真..感谢所有投入埃弗福德帮助我的人.. = ^ _ ^ =
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