//ui->textEdit->setText(""); //提示用户保存 ui->textEdit->clear(); fileName.clear();//重置为空 } //退出 void MainWindow::on_actionTuichu_triggered() { //提示用户保存 exit(0); } //撤销 void MainWindow::on_actionChexiao_triggered() { //撤销 ui->textEdit->undo(); } //拷...
用到的控件有Button, GroupBox, Label,ComboBox,TextEdit,同时定义了两个按钮queryBtn及clearBtn,分别用来查询及清空天气数据。我们需要绑定槽函数,方法如下: 在Qt Designer右下角选择 信号/槽编辑器,点击+号新增 分别选择queryBtn及clearBtn,选择信号 clicked(), 接收者 Dialog 及槽 accept(),(槽函数这里不知道...
public void afterTextChanged(Editable s) { String string=s.toString(); //将输入的字符s转换为String if(string.indexOf("4")!= -1) { //判断输入的字符是否含有4 Toast.makeText(getApplicationContext(), "不能输入数字4 !",0).show(); s.clear(); //清空输入 } } }); 限制EditText内容的...
if(ui->blue->isChecked()) { color.setColor(QPalette::Text,Qt::blue); } elseif(ui->red->isChecked()) { color.setColor(QPalette::Text,Qt::red); } elseif(ui->yellow->isChecked()) { color.setColor(QPalette::Text,Qt::yellow); } ui->plainTextEdit->setPalette(color); } 上述部分...
ui->textEditSend->moveCursor(QTextCursor::End); } void MainWindow::on_btnClearRevBuff_clicked() { ui->textEditRev->clear(); } void MainWindow::on_btnSaveFile_clicked() { QString curPath = QDir::currentPath(); QString dlgTilte = "保存文件"; ...
ui->textEdit_Msg->clear(); } voidDialog::on_exitBtn_clicked() { this->close(); } voidDialog::on_boldTBtn_clicked(boolchecked) { if(checked) ui->textEdit_Msg->setFontWeight(QFont::Bold); else ui->textEdit_Msg->setFontWeight(QFont::Normal); ui->textEdit_Msg->setFocus(); ...
(N)self.ui.lineEdit_2.setText(str(result))# print('ChenglinLi')# textEdit控件的使用s=self.ui.label.text()self.ui.textEdit.setText(s)#设置内容#清空textEdit文本框的内容defclickbutton_Clear(self):self.ui.textEdit.setText('')self.ui.lineEdit.setText('')self.ui.lineEdit_2.setText(''...
146 QtCore.QObject.connect(self.pushButton_4, QtCore.SIGNAL(_fromUtf8("clicked()")), self.textEdit_2.clear) 147 QtCore.QMetaObject.connectSlotsByName(MainWindow) 148 149 def soap(self): 150 linenum = 1 151 header = 'soap_request(\n\t"StepName=google", \n\t"ExpectedResponse=AnySoap...
ClearOptions ClearSelection DisableTextShadow EnableTextShadow GetAnchorFrom GetAnchorTo GetChildByName GetChildByPath GetClipDirection GetClipOffset GetClipsChildren GetCurrentSliceIndex GetEditText GetFullPosition GetFullSize GetGlobalPosition GetGlobalRotateAngle GetGlobalRotatePoint GetGridItem GetIsModal GetI...
defdownload(self,bianhao,start1,end1):self.ui.textedit2_2.clear()bianhao=int(bianhao)name1=work_all.xpath(f'../tr[{bianhao+1}]/td[1]/a//text()').get()down_url=work_all.xpath(f'../tr[{bianhao+1}]/td[1]/a/@href').get()response=requests.get(down_url,headers=self.head...