帮忙解释一段代码
<%if session( "purview ")> =3 and session( "purview ") <=4 and PurviewChecked=False then response.write "disabled "%>
------解决方案--------------------详细解释:当字段 purview的值在3到4间,并且PurviewChecked为假(false)时,条件成立时,执行response.write "disabled " 语句,结果显示:disabled