我写ASP时常用到的一些函数

对于ASP语言来说，把某一功能模块写成类，那对于效率来讲，未必是件很提倡的事，但是把这种模块化向小了去说，把一些功能写成函数，那就对于在ASP开发的时候，省不少事了，以下是一些我经常用到的函数，有一些是我写的，有的是从网上找的，比如说CFS编码的；网上的CFS编码的函数里面的变量都没声明，所以在我的页面声明了option explicit后就不能正常使用了，很简单，我在FUNCTION里把变量声明了就可以了。

这儿只是一部分，因为我现在在公司，而我的大部分资料都在家里电脑上，以后再补充了……大家如果有什么好的有和的函数，也欢迎和我交流……

'@转换日期为星期几函数'@idate为标准日期格式'@itype为0时表示英文星期几,否则为中文function showweek(idate,itype)if itype <> 0 then itype = 1 '//防止误输出错dim inum,ndayinum = weekday(idate)if itype = 0 then select case inum case 1 nday = "Sunday" case 2 nday = "Monday" case 3 nday = "Tuesday" case 4 nday = "Wednesday" case 5 nday = "Thursday" case 6 nday = "Friday" case 7 nday = "Saturday" end selectelse select case inum case 1 nday = "星期天" case 2 nday = "星期一" case 3 nday = "星期二" case 4 nday = "星期三" case 5 nday = "星期四" case 6 nday = "星期五" case 7 nday = "星期六" end selectend if'//OUTPUT showweek = ndayend function'//*************************************************************
'@分页列表函数'@参数说明：TotalReCount:记录总数'@page:当前页码,pagesize:分页大小，url:页面地址function PageList(TotalReCount,page,pagesize,url)dim startPage,endPage,ipage,totalPage'//判断链接文件后参数个数if inStr(1,url,"?") = 0 then url = url & "?"else url = url & "&amp;"end if'//得到总页数totalPage = TotalReCount / pagesizeif TotalRecount mod pagesize <> 0 then totalPage = Cint(TotalRecount/pagesize+1)startPage = 1endPage = totalPageif page > 10 then startPage = page - 4if totalPage < 10 then endPage = totalPageelse if page =< 10 then endPage = 10 else endPage = page + 4 if endPage > totalPage then endPage = totalPage end ifend if%>共有:<%=TotalReCount%>&nbsp;<%=pagesize%>页 <%if page>1 then%><a href="<%=url%>page=1"><font face="webdings">9</font></a>&nbsp;<a href="<%=url%>page=<%=page-1%>"><font face="webdings">7</font></a>&nbsp;<%end if%><%for ipage = startPage to endPageif ipage <> page then%> <a href=""><%=ipage%></a>&nbsp;<%else response.write i&"&nbsp;"end ifnext%><%if (totalPage-page)>4 then%><a href="<%=url%>page=<%=page+1%>"><font face="webdings">8</font></a>&nbsp;<a href="<%=url%>page=<%=totalPage%>"><font face="webdings">:</font></a>&nbsp;<%end if
end function'//*************************************************************
'//检测组件是否安装函数Function IsObjInstalled(strClassString)On Error Resume Next IsObjInstalled = False Err = 0 Dim xTestObj Set xTestObj = Server.CreateObject(strClassString) If 0 = Err Then IsObjInstalled = True Set xTestObj = Nothing Err = 0End Function'//*************************************************************
Function SafeRequest(ParaName,ParaType) '防止SQL注入攻击代码'--- 传入参数 ---//例: SafeRequest("username",0)或SafeRequest("id",1)'ParaName:参数名称-字符型'ParaType:参数类型-数字型(1表示参数是数字，0表示参数为字符)
Dim ParaValue ParaValue=Request(ParaName) If ParaType=1 then If not isNumeric(ParaValue) then 'Response.write "<script language=javascript>alert('参数" & ParaName & "必须为数字型！');</script>" Response.write "<script language=javascript>window.history.back();</script>" Response.end elseif ParaValue < 1 then ParaValue = 1 End if Else ParaValue=replace(ParaValue,"'","''") End if SafeRequest=ParaValueEnd function'//*************************************************************
'//HTML解码函数Function HTMLDecode(fString) If Not IsNull(fString) Then fString = replace(fString, "&gt;", ">") fString = replace(fString, "&lt;", "<") fString = Replace(fString, " ", CHR(32)) '&nbsp; fString = Replace(fString, " ", CHR(9)) '&nbsp; fString = Replace(fString, "&quot;", CHR(34)) '双引号过滤 'fString = Replace(fString, CHR(39), "&#39;") '单引号过滤 'fString = Replace(fString, ,"" CHR(13)) fString = Replace(fString, "</p><p>", CHR(10) & CHR(10)) fString = Replace(fString, "<br>", CHR(10)) HTMLDecode = fString End IfEnd Function'//*************************************************************
'//HTML编码函数Function HTMLEncode(fString) If Not IsNull(fString) Then fString = replace(fString, ">", "&gt;") fString = replace(fString, "<", "&lt;") fString = Replace(fString, CHR(32), " ") '&nbsp; fString = Replace(fString, CHR(9), " ") '&nbsp; fString = Replace(fString, CHR(34), "&quot;") '双引号过滤 'fString = Replace(fString, CHR(39), "&#39;") '单引号过滤 fString = Replace(fString, CHR(13), "") fString = Replace(fString, CHR(10) & CHR(10), "</p><p>") fString = Replace(fString, CHR(10), "<br>") HTMLEncode = fString End IfEnd Function'//*************************************************************
'CFS Encode FunctionFunction CfsEnCode(CodeStr)Dim CodeLenDim CodeSpaceDim NewCodedim cecr,cecb,cecCodeLen = 30CodeSpace = CodeLen - Len(CodeStr)If Not CodeSpace < 1 Then For cecr = 1 To CodeSpace CodeStr = CodeStr & Chr(21) NextEnd IfNewCode = 1Dim BeenFor cecb = 1 To CodeLen Been = CodeLen + Asc(Mid(CodeStr,cecb,1)) * cecb NewCode = NewCode * BeenNextCodeStr = NewCodeNewCode = EmptyFor cec = 1 To Len(CodeStr) NewCode = NewCode & CfsCode(Mid(CodeStr,cec,3))NextFor cec = 20 To Len(NewCode) - 18 Step 2 CfsEnCode = CfsEnCode & Mid(NewCode,cec,1)NextEnd Function
Function CfsCode(Word)dim ccFor cc = 1 To Len(Word) CfsCode = CfsCode & Asc(Mid(Word,cc,1))NextCfsCode = Hex(CfsCode)End Function'//*************************************************************
'//转换中文货币大小写function CLMoney(thenumber) dim Money,i,String1,String2,length,checkp'定义变量 dim one(),onestr()'定义数组
String1 = "零壹贰叁肆伍陆柒捌玖" String2 = "万仟佰拾亿仟佰拾万仟佰拾元角分厘毫"
checkp=instr(thenumber,".")'判断是否含有小数位 if checkp<>0 then thenumber=replace(thenumber,".","")'去除小数位 end if
length=len(thenumber) '取得数据长度 redim one(length-1)'重新定义数组大小 redim onestr(length-1)'重新定义数组大小
for i=0 to length-1
one(i)=mid(thenumber,i+1,1) '循环取得每一位的数字 one(i)=mid(string1,one(i)+1,1)'循环取得数字对应的大写
if checkp=0 then '不含有小数的数据其数字对应的单位 onestr(i)=mid(string2,14-length+i,1) else '含有小数的数据其数字对应的单位 onestr(i)=mid(string2,15-length+i+len(thenumber)-checkp,1) end if
one(i)=one(i)&onestr(i)'将数字与单位组合 next
Money=replace(join(one)," ","") '取得数组中所有的元素，并连接起来 Money=replace(Money,"零元","元") Money=replace(Money,"零万","万") Money=replace(Money,"零亿","亿") Money=replace(Money,"零仟","零") Money=replace(Money,"零佰","零") Money=replace(Money,"零拾","零")
do while not instr(Money,"零零")=0 Money=replace(Money,"零零","零") loop CLmoney = Moneyend function'//***********************************************************
'//IP转换成数字，限制IP时用'@使用示例'// userIPnum = IP2Num(Request.ServerVariables("REMOTE_ADDR"))'// if userIPnum > IP2Num("192.168.0.0") and userIPnum < '// IP2Num("192.168.0.255") then'// response.write ("<center>您的IP被禁止</center>")'// response.end'// end if
function IP2Num(sip) dim str1,str2,str3,str4 dim num IP2Num=0 if isnumeric(left(sip,2)) then str1=left(sip,instr(sip,".")-1) sip=mid(sip,instr(sip,".")+1) str2=left(sip,instr(sip,".")-1) sip=mid(sip,instr(sip,".")+1) str3=left(sip,instr(sip,".")-1) str4=mid(sip,instr(sip,".")+1) num=cint(str1)*256*256*256+cint(str2)*256*256+cint(str3)*256+cint(str4)-1 IP2Num = num end ifend function'//********************************************************