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C++ 如何将INT变量获取到QProcess write命令?_C++_Qt_Qstring_Qprocess - Fatal编程技术网

C++ 如何将INT变量获取到QProcess write命令?

C++ 如何将INT变量获取到QProcess write命令?,c++,qt,qstring,qprocess,C++,Qt,Qstring,Qprocess,下面的代码有效 QProcess *p = new QProcess(); p->write("10 cats\n"); 现在我需要将int变量发送到write命令 比如: QProcess *p = new QProcess(); int i = 10; p->write(i << " cats\n"); QProcess*p=新的QProcess(); int i=10; p->write(i看起来您希望附加变量,然后将它们

下面的代码有效

QProcess *p = new QProcess();
p->write("10 cats\n");
现在我需要将
int
变量发送到
write
命令

比如:

QProcess *p = new QProcess();
int i = 10;
p->write(i << " cats\n");
QProcess*p=新的QProcess();
int i=10;

p->write(i看起来您希望附加变量,然后将它们作为参数传递

试试这样的

int i{10};
QString formattedString{QString("%1 cats\n").arg(i)};
QProcess* p = new QProcess();
p->write(formattedString.toStdString().c_str());