1、
msg %username% /time:10 "内容"
2、
mshta vbscript:msgbox("内容",64,"title")(window.close)
3、
mshta vbscript:CreateObject("Wscript.Shell").popup("内容",7,"title",64)(window.close)
4、
mshta "javascript:new ActiveXObject('WScript.Shell').popup('内容',7,'title',64);window.close();"