输入dpkg -i命令,先解压安装libqrencode.....,然后再qrencode......tar.gz,最后是......dev;
代码:
#include<iostream> #include<cstdio> #include<cstdlib> using namespace std; int main() { int id=1000; int name=123; char buf[100]; sprintf(buf,"qrencode \"%d %d \" -o %d.png",name,id,id); system(buf); // cout<<buf<<endl; } ~