好的，我编写了一个具有2个功能的模块来完成我所要求的。一旦我弄清楚了，它并没有那么复杂，但是当您创建新的pyqt
gui程序要在会话之间保存窗口小部件字段值时，确实可以节省很多时间。我目前只有lineEdit，checkBox和combobox字段编码。如果其他任何人想要添加或改进（例如单选按钮等）…我敢肯定，包括我自己在内的其他人也会喜欢它。
#===================================================================# Module with functions to save & restore qt widget values# Written by: Alan Lilly # Website: http://panofish.net#===================================================================import sysfrom PyQt4.QtCore import *from PyQt4.QtGui import *import inspect#===================================================================# save "ui" controls and values to registry "setting"# currently only handles comboboxes editlines & checkboxes# ui = qmainwindow object# settings = qsettings object#===================================================================def guisave(ui, settings): #for child in ui.children(): # works like getmembers, but because it traverses the hierarachy, you would have to call guisave recursively to traverse down the tree for name, obj in inspect.getmembers(ui): #if type(obj) is QComboBox: # this works similar to isinstance, but missed some field... not sure why? if isinstance(obj, QComboBox): name = obj.objectName() # get combobox name index = obj.currentIndex() # get current index from combobox text = obj.itemText(index) # get the text for current index settings.setValue(name, text) # save combobox selection to registry if isinstance(obj, QLineEdit): name = obj.objectName() value = obj.text() settings.setValue(name, value) # save ui values, so they can be restored next time if isinstance(obj, QCheckBox): name = obj.objectName() state = obj.checkState() settings.setValue(name, state)#===================================================================# restore "ui" controls with values stored in registry "settings"# currently only handles comboboxes, editlines &checkboxes# ui = QMainWindow object# settings = QSettings object#===================================================================def guirestore(ui, settings): for name, obj in inspect.getmembers(ui): if isinstance(obj, QComboBox): index = obj.currentIndex() # get current region from combobox #text = obj.itemText(index) # get the text for new selected index name = obj.objectName() value = unipre(settings.value(name)) if value == "": continue index = obj.findText(value) # get the corresponding index for specified string in combobox if index == -1: # add to list if not found obj.insertItems(0,[value]) index = obj.findText(value) obj.setCurrentIndex(index) else: obj.setCurrentIndex(index) # preselect a combobox value by index if isinstance(obj, QLineEdit): name = obj.objectName() value = unipre(settings.value(name)) # get stored value from registry obj.setText(value) # restore lineEditFile if isinstance(obj, QCheckBox): name = obj.objectName() value = settings.value(name) # get stored value from registry if value != None: obj.setCheckState(value) # restore checkbox #if isinstance(obj, QRadioButton):################################################################if __name__ == "__main__": # execute when run directly, but not when called as a module. # therefore this section allows for testing this module! #print "running directly, not as a module!" sys.exit()
