开发手册

telnet进入屏幕

echo "nameserver 114.114.114.114" > /etc/resolv.conf
echo "nameserver 8.8.8.8" >> /etc/resolv.conf

也可以在工程中设置，调用系统命令

system("echo \"nameserver 114.114.114.114\" > /etc/resolv.conf");