java中的hashMap存取數(shù)據(jù)非常方便，可惜ASP中沒(méi)有類似的類。作者在開(kāi)發(fā)程序中需要類似的數(shù)據(jù)類型，于是構(gòu)造了一個(gè)能基本類似hashMap功能的類，可以實(shí)現(xiàn)鍵值存取操作等，存取的數(shù)據(jù)可以為ASP 中的任何基本類型。
下面是程序的代碼，貼到一個(gè)空的ASP中可以直接運(yùn)行。
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set jb51 = new Jb
'給mp對(duì)象賦值
jb51.putv "a","jb51.net"
jb51.putv "b","www.jb51.net"
jb51.putv "c","https://www.jb51.net"
response.write "[鍵值數(shù)量]:"jb51.count
response.write "br>"
response.write "[a]:"jb51.getv("a")
response.write "br>"
response.write ":"jb51.getv("b")
response.write "br>"
response.write "[c]:"jb51.getv("c")
response.write "hr>"
'刪除key為"b"的鍵值
jb51.delv "b"
response.write "[鍵值數(shù)量]:"jb51.count
response.write "br>"
response.write "[a]:"jb51.getv("a")
response.write "br>"
response.write ":"jb51.getv("b")
response.write "br>"
response.write "[c]:"jb51.getv("c")
response.write "hr>"
'清空jb51的所有值
jb51.clear
'給key為"c"的鍵值重新賦值
jb51.putv "c","https://www.jb51.net"
response.write "[鍵值數(shù)量]:"jb51.count
response.write "br>"
response.write "[a]:"jb51.getv("a")
response.write "br>"
response.write ":"jb51.getv("b")
response.write "br>"
response.write "[c]:"jb51.getv("c")
response.write "hr>"
Class MtMap
private arr()
private arr_len
'構(gòu)造函數(shù)
private Sub Class_Initialize
'其中 arr(0,n)為key,arr(1,n)為value
arr_len = 0
redim arr(1,arr_len)
end sub
'賦值,如果存在則覆蓋
public sub putv(k,v)
dim is_update
is_update = false
arr_len = ubound(arr,2)
for i=0 to arr_len-1
if k=arr(0,i) then
arr(1,i) = v
is_update = true
exit for
end if
next
if not is_update then
arr_len = arr_len +1
redim preserve arr(1,arr_len)
arr(0,arr_len) = k
arr(1,arr_len) = v
end if
end sub
'取得key為"k"的鍵值
public function getv(k)
dim v
v = ""
for i=0 to arr_len
if k=arr(0,i) then
v = arr(1,i)
exit for
end if
next
getv = v
end function
'刪除key為"k"的鍵值
public sub delv(k)
arr_len = ubound(arr,2)
for i=0 to arr_len
if k=arr(0,i) then
v = arr(1,i)
for k = i to arr_len-1
arr(0,k) = arr(0,k+1)
arr(1,k) = arr(1,k+1)
next
arr_len = arr_len - 1
redim preserve arr(1,arr_len)
exit for
end if
next
end sub
'獲得jb51中鍵值的數(shù)量
public property get count()
count = arr_len
end property
'清空jb51中所有的鍵值
public sub clear()
arr_len = 0
redim arr(1,1)
end sub
end class
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