qt 添加本程序的注册表项

QStringcmd;

cmd.clear();

QStringapplication_path=QCoreApplication::applicationFilePath();//带文件扩展名的全路径

application_path.replace("/","\\");

QStringregPath="HKEY_CLASSES_ROOT\\software_name\\shell\\open\\command\\";

QSettings *programReg=new QSettings(regPath,QSettings::NativeFormat);

QVariantva=programReg->value(".");//"."=="Default"

if(!va.toString().contains(application_path,Qt::CaseInsensitive))

{

cmd="\""+application_path+"\""+"\"%1\"";

programReg->setValue(".",cmd);

delete programReg;

}