windows下QT使用ifstream读取含中文路径的txt文件

#include 

#include

#include

#include

#include

#include

using namespace std;

int main(int argc, char *argv[])

{

 QCoreApplication a(argc, argv);

 QTextCodec::setCodecForLocale(QTextCodec::codecForName("GBK"));

 QString qq="C:\\Users\\威\\Desktop\\a.txt";

 char*  ch;

 QByteArray ba = qq.toLocal8Bit();  // must

 ch=ba.data();

 cout< 
  
ifstream in(ch);
 
  
if (!in)
 
  
{
 
  
cout << "erro" < 
  
}
 
  
 
  
for(string str;getline(in,str);){
 
  
   cout< 
  
 
 
  
}
 
  
    return a.exec();
 
  
}