[英]Write and Save As with python in plugin QGIS
I try to make plugin in QGIS and i want to make save as button but i got error message like this 我尝试在QGIS中制作插件,但我想另存为按钮,但是出现了这样的错误消息
Traceback (most recent call last):
File "C:\Users\Mr.Pakde/.qgis2/python/plugins\latih\latihdialog.py", line 69, in
saveAs
if not filename.isEmpty():
AttributeError: 'unicode' object has no attribute 'isEmpty'
I write my code like this : 我这样写我的代码:
cariButton = self.ui.btnCari
QtCore.QObject.connect(cariButton,QtCore.SIGNAL('clicked()'),self.cari)
saveButton = self.ui.btnSave
QtCore.QObject.connect(saveButton, QtCore.SIGNAL('clicked()'),self.saveAs)
def cari(self, event=None):
#open dialog
filename = QtGui.QFileDialog.getOpenFileName(self, 'Open File', '*.xml')
self.ui.lineFile.setText(filename)
#panggil isi data
self.isiDataFile(filename)
def isiDataFile(self, nmfile):
#buka dengan open mode baca
teksFile = open(nmfile, 'r').read()
self.ui.textFile.setText(teksFile)
def _save(self, filename):
f = open( filename, "w" )
f.write( "%s" % self.lineFile.text() )
f.close()
def savefile(self):
if self.filename:
self._save( "%s" % self.filename )
else:
self.saveAs()
def saveAs(self):
filename = QtGui.QFileDialog(self).getSaveFileName()
if not filename.isEmpty():
_filename = "%s" % filename
self._save( _filename )
self.setFilename( _filename )
I try to save file in different format 我尝试以其他格式保存文件
The error message tells you exactly what the problem is: 该错误消息告诉您确切的问题是:
filename = QtGui.QFileDialog(self).getSaveFileName()
if not filename.isEmpty():
filename
is a unicode
object, which doesn't have an isEmpty()
method. filename
是一个unicode
对象,没有isEmpty()
方法。 Try: 尝试:
if filename != "":
or, as empty strings are False
-y : 或者,因为空字符串为False
-y :
if filename:
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