豹子 2007-6-23 10:30
vbs(asp)的栈类
用js可以用array对象很容易的实现栈的功能，但在vbs中没有相应的功能，没办法，只有自己动手了:(
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如果你的栈不了解请查看数据结构的相关内容。这个栈类是参照c 的栈类写的，用法一样。用这个类你也可以很方便的修改出队列的类:) !v3rIYk:Bc
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' vbs栈类f;C6lanI [
' push(string)进栈_3|)o&f-z!g lz
' getTop取栈顶元素
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' pop去掉栈顶元素h:E k
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' isempty是否栈空#_&~ b/y0W f m:gH
' isfull是否栈满(pMax设置了大小，可自行修改)_:| [*^-Ds,X.Y
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class Stack%J r XL3]
private pArr, pString, pMax
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private tabj1I1K q k:Z&z
private sub class_initialize() ? tvg'|"v{s
tab=chr(9)j-E7bX0`
pMax=1000 '最大容量e%b/jjb%T_CZ z
end sub qg6i xIM7F^%BQ-D
private sub class_terminate()"d0D v u@ \r
if isarray(pArr) then7}3R6S4q
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erase pArrXC;Z?%rBNH%Tix
end if:g9~oSxA
end sub
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public function push(str)
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if str"" and instr(str,tab)1 and not Isfull then%v;@l l g
if isarray(pArr) then
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pString=join(pArr,tab)d b(o0E| R
end if]OB_ z3]4]'B
pString=pString tab strC6~#T @&}2a
pArr=split(pString,tab) |Kp-JPC
push=true
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else
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push=false YVfL1Q/eu
end if$Hx6\ z ?wg
end function
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public function GetTop()
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if not isarray(pArr)0 then~$_#}'|9U5Hx)Gp2M
GetTop=null
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else
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if ubound(pArr)0 thenww-aC!PA n.Ku Q
GetTop=null
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else,?*u4?1e$x)J9S:q F `a
GetTop=pArr(Ubound(pArr))U4@?/w#BGZ
end if+Z
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end if"^{
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end function
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public function Pop()mx6cw4yAD]]
if not isArray(pArr) then)i,m"XH&i/D3Lh
Pop=false6](w)e9T
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else
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if Ubound(pArr)0 then$n D;OG0`Us+m6]
Pop=false Q _+i#B.QT3w;T*Hh
else
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pString=join(pArr,tab)kfE%r*`mR G
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pString=left(pString,inStrRev(pString,tab)-1)`%bQ
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pArr=split(pString,tab)
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Pop=true
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end if
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end if;bs aR%z"sA,JNt+H
end function:M@*i7C1BB6F7N
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public function Isempty()"K7@2k e
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if not isArray(pArr) thenE7xqT U^
Isempty=truez,Aa9Q1^%?pMP
else
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if Ubound(pArr)0 then
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isempty=true
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else N J&_` I4sz)j0@6gN
isempty=false
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end if
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end if
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end function^e U|cP0`[!e;i ^#z
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public function Isfull() M1I5p-o/HQ~
if not isArray(pArr) then
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Isfull=false
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else
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if ubound(pArr)pMax then
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Isfull=false&[%F6f1^-L
else
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Isfull=true
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end if2_n tZN5iic
end ifgNq3}e&@'YQ&E Dh;G
end function
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end classEl%kG'I |5C
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