QString s = "www.amin-ahmadi.com"; First convert it tostd::stringand then use itsc_strmethod, like this: s.toStdString().c_str()
This is a sample function how Qt : Convert QString to char datatype :const char *QString2char(QString str) { QByteArray byteArray; const char *cstr; byteArray = str.toUtf8(); cstr = byteArray.constData(); return(cstr); }This is the sample method, how we can use Qt : Convert ...
while std has std::string, to change between them, use following code: // #include <QMessageBox>usingnamespacestd;// #include <fstream>#include<cassert>QStrings2q(std::string&str){autoqs=QString::fromLocal8Bit(QByteArray::fromRawData(str.c_str(),str.size()));returnqs;}QStrings2q...
ui->exitBtn->setStyleSheet(//正常状态样式"QPushButton{""background-color:#ffffff;"//设置按钮背景色"border-radius:35px;"//设置圆角半径"}""QPushButton:hover{""background-color:#999999;"//设置按钮点击时的背景颜色"}");//下一步ui->pushButton->setStyleSheet(//正常状态样式"QPushButton{""ba...
#include"assistant_1.h"#include"ui_assistant_1.h"Assistant_1::Assistant_1(QWidget*parent):QWidget(parent),ui(new Ui::Assistant_1){ui->setupUi(this);BeaWindow();//窗口优化BeaBtn();//按钮优化}Assistant_1::~Assistant_1(){delete ui;}//点击下一步voidAssistant_1::on_pushButton_clicked...
hi, when i try to compile the qgroundcontrol3.0.0 source code with qt5.5.1 ctreator, an error appear. Error: C2440: "Initialization": Can not convert from "initializer-list" to "QMap <int, QString>" The constructor for "QMap <int, QStrin...
Crash Report This crash report was reported through the automatic crash reporting system 🤖 Traceback TypeError: unable to convert a Python 'int' object to a C++ 'QString' instance TypeError: unable to convert a Python 'int' object to a C...
修改config.h,开启XTOSTRUCT_QT这个宏 当前支持 QString/QMap/QList/QVector xml bson libconfig 如果需要这些功能,需要修改config.h来开启 不支持直接转换vector/map之类的,需要放结构体里面 由于xml/libconfig不支持用纯数字作为key,所以如果需要用map<int, xxx>,那么key需要用x+数字的方式,比如x100 ...
I guess you need to replace two obsolete lines: table->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);table->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents); with the following Qt 5 code: table->verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);tabl...
#include<bits/stdc++.h>usingnamespacestd;//前向声明目标类classClass_type_two;// 源类,即// 要转换成另一种类的类classClass_type_one{string a="GeeksforGeeks";public:// 会返回字符串类型数据的成员函数stringget_string(){return(a);}// 显示数据的成员函数voiddisplay(){cout<<a<<endl;}// ...