Example #1
0
    def __openByStream(self, fileName):  ##用QTextStream打开文件
        fileDevice = QFile(fileName)
        if not fileDevice.exists():  #判断文件是否存在
            return False

        if not fileDevice.open(QIODevice.ReadOnly | QIODevice.Text):
            return False

        try:
            fileStream = QTextStream(fileDevice)
            fileStream.setAutoDetectUnicode(True)  #自动检测Unicode
            fileStream.setCodec("utf-8")  #必须设置编码,否则不能正常显示汉字

            # 一次性全部读出
            ##   text=fileStream.readAll()  #读取出来就是str
            ##   self.ui.textEdit.setPlainText(text)

            #逐行读取方式
            self.ui.textEdit.clear()
            while not fileStream.atEnd():
                lineStr = fileStream.readLine()  #读取文件的一行,读取出来就是str
                self.ui.textEdit.appendPlainText(lineStr)  #添加到文本框显示
        finally:
            fileDevice.close()  #关闭文件
        return True
    def updateTextEdit(self):
        mib = self.encodingComboBox.itemData(self.encodingComboBox.currentIndex())
        codec = QTextCodec.codecForMib(mib)

        data = QTextStream(self.encodedData)
        data.setAutoDetectUnicode(False)
        data.setCodec(codec)

        self.decodedStr = data.readAll()
        self.textEdit.setPlainText(self.decodedStr)
Example #3
0
 def do_error(self):
     
     os = QTextStream(self)
     os.setAutoDetectUnicode(True)
     os << "HTTP/1.1 400 Bad Request\r\n" \
       + "Content-Type: text/plain; charset=\"utf-8\"\r\n" \
       + "\r\n" \
       + 'The request could not be understood by the\n' \
         'server due to malformed syntax.\n'
     self.close()        
Example #4
0
 def do_head(self):
     
     os = QTextStream(self)
     
     os.setAutoDetectUnicode(True)
     os << 'HTTP/1.1 200 OK\r\n' \
       + 'Content-Type: text/plain; charset="utf-8"\r\n' \
       + 'Server: HTTP skeleton server\r\n' \
       + '\r\n'
     self.close()      
Example #5
0
 def __writeTxt(self, file_name):
     """
     :param file_name: str,txt文件名
     :return: 无
     """
     file_device = QFile(file_name)
     if not file_device.open(QIODevice.WriteOnly | QIODevice.Text):
         return False
     try:
         file_stream = QTextStream(file_device)
         file_stream.setAutoDetectUnicode(True)  # 自动检测Unicode
         file_stream.setCodec('utf-8')
         self.__exportTable(file_stream)
     finally:
         file_device.close()
     return True
Example #6
0
    def __saveByStream(self, fileName):  ##用 QTextStream 保存文件
        fileDevice = QFile(fileName)
        if not fileDevice.open(QIODevice.WriteOnly | QIODevice.Text):
            return False

        try:
            fileStream = QTextStream(fileDevice)  #用文本流读取文件
            fileStream.setAutoDetectUnicode(True)  #自动检测Unicode
            fileStream.setCodec("utf-8")  #必须设置编码,否则不能正常显示汉字

            text = self.ui.textEdit.toPlainText()  #返回是str类型
            fileStream << text  #使用流操作符

    ##         fileStream<<"\n***************在尾部添加的第1行"
        finally:
            fileDevice.close()
        return True
Example #7
0
    def __saveByStream(self, fileName):
        fileDevice = QFile(fileName)
        if not fileDevice.exists():
            return False

        if not fileDevice.open(QIODevice.ReadOnly | QIODevice.Text):
            return False

        try:
            fileStream = QTextStream(fileDevice)
            fileStream.setAutoDetectUnicode(True)
            fileStream.setCodec("utf-8")

            text = self.ui.textEdit.toPlainText()
            fileStream << text

        finally:
            fileDevice.close()
        return True
Example #8
0
 def __readTxt(self, file_name: str) -> bool:
     """
     :param file_name: str,txt文件名
     :return: bool,是否成功
     """
     file_device = QFile(file_name)
     if not file_device.exists():
         return False
     if not file_device.open(QIODevice.ReadOnly | QIODevice.Text):
         return False
     try:
         file_stream = QTextStream(file_device)
         file_stream.setAutoDetectUnicode(True)  # 自动检测unicode
         file_stream.setCodec('utf-8')  # 不然不能读取汉字
         while not file_stream.atEnd():
             line_str = file_stream.readLine()  # 一行行读,读出来就是str
             self.__import2Table(line_str)
     finally:
         file_device.close()
     return True
Example #9
0
    def __openByStream(self, fileName):
        fileDevice = QFile(fileName)
        if not fileDevice.exists():
            return False

        if not fileDevice.open(QIODevice.ReadOnly | QIODevice.Text):
            return False

        try:
            fileStream = QTextStream(fileDevice)
            fileStream.setAutoDetectUnicode(True)
            fileStream.setCodec("utf-8")

            self.ui.textEdit.clear()
            while not fileStream.atEnd():
                lineStr = fileStream.readLine()
                self.ui.textEdit.appendPlainText(lineStr)

        finally:
            fileDevice.close()
        return True