1.安装expect

yum install -y expect

2.示例

• a.admin切换root用户脚本

#!/usr/bin/expect
set passwd "123456"
set timeout 30
spawn sudo su -
expect "*password*"
send "$passwd\r"
interact

• b.执行root权限脚本，比如createhellomv.sh为root权限脚本

#!/usr/bin/expect
set passwd "12345"
set timeout 30
spawn sudo sh /opt/service/hellojenkins/createhellomv.sh
expect "*password*"
send "$passwd\r"
interact