ASP Exists ·½·¨
¶¨ÒåºÍÓ÷¨
Exists ·½·¨·µ»ØÔÚ Dictionary ¶ÔÏóÖÐÊÇ·ñ´æÔÚÖ¸¶¨µÄ key µÄ²¼¶ûÖµ¡£Èç¹û´æÔÚ£¬·µ»Ø true£¬·ñÔò·µ»Ø false¡£
Óï·¨£º
DictionaryObject.Exists(key)
²ÎÊý | ÃèÊö |
---|---|
key | ±ØÐèµÄ¡£ÐèËÑË÷µÄ key Öµ¡£ |
ʵÀý
<%
dim d
set d=Server.CreateObject("Scripting.Dictionary")
d.Add "c","China"
d.Add "i","Italy"
d.Add "s","Sweden"
if d.Exists("c")
=true then
Response.Write("Key exists!")
else
Response.Write("Key does not exist!")
end if
set d=nothing
%>
Êä³ö£º
Key exists!