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QCoreApplication a(argc, argv);
QString qs="d山大";
string s=qs.toStdString();
cout<<s<<endl;
ofstream outfile("out.txt",fstream::binary);
outfile<<s;
outfile.close();
return a.exec();
可以将汉字写入文件
QString qs=m_ui->lineEdit->text();
string s=qs.toStdString();
ofstream outfile("out.txt",fstream::binary);
outfile<<s;
outfile.close();