1. 2. 步骤3:准备 SQL 插入语句 // 准备 SQL 插入语句QString name="John Doe";intage=30;QString sql="INSERT INTO your_table_name (name, age) VALUES (:name, :age)";query.prepare(sql); 1. 2. 3. 4. 5. 步骤4:绑定参数 // 绑定参数query.bindValue(":name",name);query.bindValue(":...
";QSqlQuery query;query.prepare("INSERT INTO my_table (qstring_value) VALUES (:qstringValue)");query.bindValue(":qstringValue",qstringValue);if(query.exec()){qDebug()<<"Data inserted successfully!";}else{qDebug()<<"Failed to insert data: "<<query.lastError().text();} 1. 2. 3....
QSqlQuery qry; qry.prepare("insert into pushbutton (name,led) values ('"+str+"','"+text+"')"); if(qry.exec()) { db.close(); } else { QMessageBox::critical(this,tr("error"),qry.lastError().text()); } button = new QPushButton(str); button->setSizePolicy(QSizePolicy::Prefer...