--连接入库文件所在的服务器
EXEC MASTER..XP_CMDSHELL 'NET USE M: \\11.11.11.11\d$ "68" /user:211.11.11.11\administrator'
--判断文件是否存在
EXEC master.dbo.xp_fileexist 'M:\liu\tt.txt'
--导入表
EXEC master..xp_cmdshell 'bcp database.dbo.tb_tb in M:\liu\tt.txt -c -t"," -S "serverName" -U "username" -P "password"'