expect自动ssh

hanyh@hanyh-laptop:~$ more /usr/bin/g
#!/usr/bin/expect
set username "youhong"
#ssh的用户名
set passwd "DKi7AmDs4XFxx+3iardQsdp0b6sXJHYylHyr..."
set server "x.x.x.x"

spawn zssh $username@$server;
expect "*password: ";
sleep .1;
send "$passwd\r";

expect "*PASSCODE:";
sleep .1;
send "xxxx"; //2次验证
#当出现提示输入密码时,自动输入密码
interact;