我有PyQt5
應用程序中從ini
文件加載布爾值的問題。無法從ini文件讀取布爾
#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys
from PyQt5 import QtCore
from PyQt5.QtCore import QSettings, QVariant
from PyQt5.QtWidgets import (
QApplication, QCheckBox, QDialog, QGridLayout,
QLabel, QLayout, QPushButton
)
class Settings(QDialog):
"settings GUI"
_settings = None
def __init__(self):
super(Settings, self).__init__()
self._ui()
def _ui(self):
self._chk_test = QCheckBox()
self._chk_test.setText("test checkbox")
self._settings = QSettings("settings.ini", QSettings.IniFormat)
self._settings.setFallbacksEnabled(False)
# load configuration
self._chk_test.setChecked(
self._bool(self._settings.value("test_value", True)))
# save settings
btn_save = QPushButton("save")
btn_save.clicked.connect(self._save_settings)
# setting layouts
grid_layout = QGridLayout()
grid_layout.addWidget(self._chk_test, 0, 0, 1, 1)
grid_layout.addWidget(btn_save, 0, 1, 1, 1)
grid_layout.setSizeConstraint(QLayout.SetFixedSize)
grid_layout.setHorizontalSpacing(100)
grid_layout.setVerticalSpacing(5)
self.setWindowTitle("Boolean")
self.setLayout(grid_layout)
self.show()
def _save_settings(self):
self._settings.setValue("test_value", self._chk_test.isChecked())
self.close()
def _bool(self, str):
if str == "true":
return True
else:
return False
if __name__ == "__main__":
app = QApplication(sys.argv)
ui = Settings()
sys.exit(app.exec_())
當我嘗試使用
self._settings.value("test_value", True).toBool()
或
QVariant(self._settings.value("test_value", True)).toBool()
我越來越AttributeError的加載布爾:
'str'/'QVariant' object has no attribute 'toBool()'.
我自定義編寫_bool
方法,但我很好奇如果有更好的方法來解決它。
短:'返回STR ==「真正的「' – furas
好戲,謝謝! 我沒有看到在Qt文檔中,雖然它不存在,但是您可以在[PyQt文檔](http://pyqt.sourceforge.net/Docs/PyQt4/qsettings.html#value)中找到它。 – SyedElec